塚﨑研究室|東京大学/東北大学

Publications

研究論文リスト

【2024】

1)Strongly pinned skyrmionic bubbles and higher-order nonlinear Hall resistances at the interface of Pt/FeSi bilayer
 T. Hori, N. Kanazawa, K. Matsuura, H. Ishizuka, K. Fujiwara, A. Tsukazaki, M. Ichikawa, M. Kawasaki, F. Kagawa, M. Hirayama, Y. Tokura
   
Physical Review Materials 8, 044407 (2024). LINK

2)Photogalvanic spectroscopy on MnBi2Te4 topological insulator thin films
 T. Takagi, R. Watanabe, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, Y. Tokura, N. Ogawa
   
Applied Physics Letters 124, 163102 (2024). LINK

3)Molecular beam epitaxy of superconducting FeSexTe1−x thin films interfaced with magnetic topological insulators
 Y. Sato, S. Nagahama, I. Belopolski, R. Yoshimi, M. Kawamura, A. Tsukazaki, N. Kanazawa, K. S. Takahashi, M. Kawasaki, Y. Tokura
   
Physical Review Materials 8, L041801 (2024). LINK
 Selected as Editor’s suggestion.

4)Terahertz field driven giant nonlinear phonon response in ferroelectric semiconductor In-doped (Sn,Pb)Te
    
H. Handa, Y. Okamura, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, Y. Tokura, Y. Takahashi
    
Physical Review B 109, L081102 (2024). LINK
 Selected as Editor’s suggestion.

5)Bipolarity of large anomalous Nernst effect in Weyl magnet-based alloy films
    S. Noguchi, K. Fujiwara, Y. Yanagi, M. Suzuki, T. Hirai, T. Seki, K. Uchida, A. Tsukazaki
    Nature Physics 20, 254 (2024). LINK

 
【2023】

1)Gate-electric-field and magnetic-field control of versatile topological phases in a semi-magnetic topological insulator
    R. Watanabe, R. Yoshimi, K. S. Takahashi, A. Tsukazaki, M. Kawasaki, M. Kawamura, Y. Tokura
    Applied Physics Letters 123, 183102 (2023).LINK
    Selected as a featured article.

2)Variation of Landau level splitting in the Fermi level controlled Dirac metals (Eu,Gd)MnBi2
    H. Sakai, K. Nakagawa, K. Tsuruda, J. Shiogai, K. Akiba, M. Tokunaga, S. Kimura, S. Awaji, A. Tsukazaki, H. Murakawa, N. Hanasaki
    Physical Review B 108, 115142 (2023). LINK

3)Intercorrelated anomalous Hall and spin Hall effect in kagome-lattice Co3Sn2S2 -based shandite films
    Y-C Lau, J. Ikeda, K. Fujiwara, A. Ozawa, J. Zheng, T. Seki, K. Nomura, L. Du, Q. Wu, A. Tsukazaki, K. Takanashi
    Physical Review B 108, 064429 (2023). LINK

4)Berry curvature contributions of kagomelattice fragments in amorphous Fe–Sn thin films
    K. Fujiwara, Y. Kato, H. Abe, S. NoguchiJ. Shiogai, Y. Niwa, H. Kumigashira, Y. Motome, A. Tsukazaki
    Nature Communications 14, 3399 (2023), DOI: 10.1038/s41467-023-39112-1. LINK

5)Improvement of superconducting properties in La1−xSrxNiO2 thin films by tuning topochemical reduction temperature
    M. OsadaK. Fujiwara, T. Nojima, A. Tsukazaki
    Physical Review Materials 7, L051801 (2023). LINK

6)Enhancement of spin-charge conversion efficiency for Co3Sn2S2 across transition from paramagnetic to ferromagnetic phase
    T. Seki, Y. Lau, J. IkedaK. Fujiwara, A. Ozawa, S. Iihama, K. Nomura, A. Tsukazaki
    Physical Review Research 5, 013222 (2023). LINK

7)Electrochemical thinning of Co kagome-lattice layers in ferromagnetic Co3Sn2S2 thin films by bias-induced Co dissolution
    K. FujiwaraJ. Ikeda, S. Ito, A. Tsukazaki
    Journal of Applied Physics 133, 125302 (2023). LINK
 Selected as a featured article.

8)Composition tuning of Mg/Ir ratio and crystallization of a spinel-related structure in Mg-Ir-O films by pulsed-laser deposition
    M. NegishiK. FujiwaraA. Tsukazaki
    Thin Solid Films 769, 139740 (2023) . LINK

9)Superconducting FeSe membrane synthesized by etching of water-soluble Sr3Al2O6 layer
    J. Shiogai, A. Tsukazaki
    Applied Physics Letters 122, 052602 (2023).LINK
 Selected as an Editor’s Pick.

10)Laughlin charge pumping in a quantum anomalous Hall insulator
      M. Kawamura, M. Mogi, R. Yoshimi, T. Morimoto, K. S. Takahashi, A. Tsukazaki, N. Nagaosa, M. Kawasaki, Y. Tokura
      Nature Physics 19, 333 (2023). LINK

 
【2022】

1)Non-volatile chirality switching by all-optical magnetization reversal in ferromagnetic Weyl semimetal Co3Sn2S2
    N. Yoshikawa, K. Ogawa, Y. Hirai, K. FujiwaraJ. IkedaA. Tsukazaki, Ryo Shimano
    Communications Physics 5, 328 (2022).LINK (Open access)

2)A Noble-Metal-Free Spintronic System with Proximity-Enhanced Ferromagnetic Topological Surface State of FeSi above Room Temperature
    T. Hori, N. Kanazawa,M. Hirayama, K. FujiwaraA. Tsukazaki,M. Ichikawa, M. Kawasaki, Y. Tokura
    Advanced Materials 35, 2206801 (2022).LINK

3)Electrical detection of domain evolution in magnetic Weyl semimetal Co3Sn2S2 submicrometer-wide wire devices
    J. ShiogaiJ. IkedaK. Fujiwara, T. Seki, K. Takanashi, A. Tsukazaki
    Physical Review Materials 6, 114203 (2022).LINK

4)Nonreciprocal charge transport in topological superconductor candidate Bi2Te3/PdTe2 heterostructure
    M. Masuko, M. Kawamura, R. Yoshimi, M. Hirayama, Y. Ikeda, R. Watanabe, J. J. He, D. Maryenko, A. Tsukazaki, K. S. Takahashi, M. Kawasaki,
    N. Nagaosa, Y. Tokura
    npj quantum materials 7, 104 (2022). LINK (Open access)

5)Nonreciprocal electrical transport in the multiferroic semiconductor (Ge,Mn)Te
    R. Yoshimi, M. Kawamura, K. Yasuda, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, Y. Tokura
    Physical Review B 106, 115202 (2022).LINK

6)Terahertz lattice and charge dynamics in ferroelectric semiconductor SnxPb1−xTe
    Y. Okamura, H. Handa, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, Y. Tokura Y. Takahashi
    npj quantum materials 7, 91 (2022). LINK (Open access)

7)A large unidirectional magnetoresistance in Fe–Sn heterostructure devices
    J. ShiogaiK. Fujiwara, T. Nojima, A. Tsukazaki
    Japanese Journal of Applied Physics 61, 083001 (2022). LINK

8)Optical anomalous Hall effect enhanced by flat bands in ferromagnetic van der Waals semimetal
    Y. D. Kato, Y. Okamura, S. Minami, R. Fujimura, M. Mogi, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, R. Arita, Y. Tokura, Y. Takahashi
    npj quantum materials 7, 73 (2022). LINK (Open access)

9)L 21 ordering of Co2FeSn thin films promoted by high-temperature annealing
    K. FujiwaraK. ShibataS. NishimuraJ. ShiogaiA. Tsukazaki
    AIP Advances 12, 065030 (2022). LINK (Open access)

10)Improvement of the detectivity in an Fe–Sn magnetic-field sensor with a large current injection
      J. Shiogai, Z. Jin, Y. SatakeK. FujiwaraA. Tsukazaki
      Japanese Journal of Applied Physics 61, SC1069 (2022). LINK

11)Experimental signature of the parity anomaly in a semi-magnetic topological insulator
      M. Mogi, Y. Okamura, M. Kawamura, R. Yoshimi, K. Yasuda,A. Tsukazaki, K. S. Takahashi, T. Morimoto, N. Nagaosa, M. Kawasaki, Y. Takahashi, Y. Tokura
      Nature Physics 18, 390 (2022). LINK

12)Enhancement of anomalous Hall effect in epitaxial thin films of intrinsic magnetic topological insulator MnBi2Te4 with Fermi-level tuning
      R. Watanabe, R. Yoshimi, M. Kawamura, Y. Kaneko, K. S. Takahashi, A. Tsukazaki, M. Kawasaki, Y. Tokura
      Applied Physics Letters 120, 031901 (2022).LINK
      Selected as a featured article.

13)Competing correlated states around the zero-field Wigner crystallization transition of electrons in two dimensions
      J. Falson, I. Sodemann, B. Skinner, D. Tabrea, Y. Kozuka, A. Tsukazaki, M. Kawasaki, K. von Klitzing, J. H. Smet
      Nature Materials 21, 311 (2022). LINK

14)Quantum anomalous Hall effect with a permanent magnet defines a quantum resistance standard
      Y. Okazaki, T. Oe, M. Kawamura, R. Yoshimi, S. Nakamura, S. Takada, M. Mogi, K. S. Takahashi, A. Tsukazaki, M. Kawasaki, Y. Tokura, N. Kaneko
      Nature Physics 18,25 (2022). LINK

 
【2021】

1)Formation of ilmenite-type single-crystalline MgTiO3 thin films by pulsed-laser deposition
    M. NegishiK. FujiwaraA. Tsukazaki
    AIP Advances 11, 125125 (2021). LINK (Open access)
    Selected as an Editor’s Pick.

2)Emergence of spin-orbit coupled ferromagnetic surface state derived from Zak phase in a nonmagnetic insulator FeSi
    Y. Ohtsuka, N. Kanazawa, M. Hirayama, A. Matsui, T. Nomoto, R. Arita, T. Nakajima, T. Hanashima, V. Ukleev, H. Aoki, M. Mogi, K. FujiwaraA. Tsukazaki,      M. Ichikawa, M. Kawasaki, Y. Tokura
    Science Advances 7, eabj0498 (2021). LINK

3)Tuning scalar spin chirality in ultrathin films of the kagome-lattice ferromagnet Fe3Sn
    K. Fujiwara, Y. Kato, T. Seki, K. Nomura, K. Takanashi, Y. Motome, A. Tsukazaki
    Communications Materials 2, 113 (2021).LINK (Open access)

4)Magneto-optical spectroscopy on Weyl nodes for anomalous and topological Hall effects in chiral MnGe
    Y. Hayashi, Y. Okamura, N. Kanazawa, T. Yu, T. Koretsune, R. Arita, A. Tsukazaki, M. Ichikawa, M. Kawasaki, Y. Tokura, Y. Takahashi
    Nature Communications 12, 5974 (2021), DOI: 10.1038/s41467-021-25276-1. LINK (Open access)

5)Nonreciprocal Transport in a Rashba Ferromagnet, Delafossite PdCoO2
    J. H. Lee, T. Harada, F. Trier, L. Marcano, F. Godel, S. Valencia, A. Tsukazaki, M. Bibes
    Nano Letters 21, 8687 (2021).LINK

6)Three-dimensional sensing of the magnetic-field vector by a compact planar-type Hall device
    J. ShiogaiK. Fujiwara, T. Nojima, A. Tsukazaki
    Communications Materials 2, 102 (2021).LINK (Open access)

7)Versatile electronic states in epitaxial thin films of (Sn-Pb-In)Te: From topological crystalline insulator and polar semimetal to
    Superconductor

    R. Yoshimi, M. Masuko, N. Ogawa, M. Kawamura, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, Y. Tokura
    Physical Review Materials 5, 094202 (2021).LINK

8)Current-induced magnetization switching at charge-transferred interface between topological insulator (Bi,Sb)2Te3 and van der Waals
    ferromagnet Fe3GeTe2

    R. Fujimura, R. Yoshimi, M. Mogi, A. Tsukazaki, M. Kawamura, K. S. Takahashi, M. Kawasaki, Y. Tokura
    Applied Physics Letters 119, 032402 (2021).LINK
    Selected as a featured article.

9)Two-dimensionality of metallic surface conduction in Co3Sn2S2 thin films
    J. IkedaK. FujiwaraJ. Shiogai, T. Seki, K. Nomura, K. Takanashi, A. Tsukazaki
    Communications Physics 4, 117 (2021).LINK (Open access)

10)First-principles investigation of magnetic and transport properties in hole-doped shandite compounds Co3InxSn2−xS2
      Y. Yanagi, J. IkedaK. Fujiwara, K. Nomura, A. Tsukazaki, M. Suzuki
      Physical Review B 103, 205112 (2021).LINK (Open access)

11)Current-induced switching of proximity-induced ferromagnetic surface states in a topological insulator
      M. Mogi, K. Yasuda, R. Fujimura, R. Yoshimi, N. Ogawa, A. Tsukazaki, M. Kawamura, K. S. Takahashi, M. Kawasaki, Y. Tokura
      Nature Communications 12, 1404 (2021), DOI: 10.1038/s41467-021-21672-9. LINK (Open access)

12)Critical thickness for the emergence of Weyl features in Co3Sn2S2 thin films
      J. IkedaK. FujiwaraJ. Shiogai, T. Seki, K. Nomura, K. Takanashi, A. Tsukazaki
      Communications Materials 2, 18 (2021).LINK (Open access)

13)Robust perpendicular magnetic anisotropy of Co3Sn2S2 phase in sulfur deficient sputtered thin films
      J. ShiogaiJ. IkedaK. Fujiwara, T. Seki, K. Takanashi, A. Tsukazaki
      Physical Review Materials 5, 024403 (2021).LINK

14)Determination of the phase coherence length of PdCoO2 nanostructures by conductance fluctuation analysis
      T. Harada, P. Bredol, H. Inoue, S. Ito, J. Mannhart, A. Tsukazaki
      Physical Review B 103, 045123 (2021).LINK

15)Giant anomalous Hall effect from spin-chirality scattering in a chiral magnet
       Y. Fujishiro, N. Kanazawa, R. Kurihara, H. Ishizuka, T. Hori, F. S. Yasin, X. Yu, A. Tsukazaki, M. Ichikawa, M. Kawasaki,N. Nagaosa, M. Tokunaga,
       Y. Tokura
       Nature Communications 12, 317 (2021), DOI: 10.1038/s41467-020-20384-w. LINK (Open access)

 
【2020】

1)Single-domain formation of SrMnBi2 films on polar LaAlO3 substrate
    K. TakahashiJ. Shiogai, H. Inoue, S. Ito, S. Kimura, S. Awaji, A. Tsukazaki
    AIP Advances 10, 105216 (2020). LINK (Open access)

2)Molecular beam epitaxy of superconducting Sn1-xInxTe thin films
    M. Masuko, R. Yoshimi, A. Tsukazaki, M. Kawamura, K. S. Takahashi, M. Kawasaki, Y. Tokura
    Physical Review Materials 4, 091202 (2020).LINK

3)Direct Observation of the Statics and Dynamics of Emergent Magnetic Monopoles in a Chiral Magnet
    N. Kanazawa, A. Kitaori, J. S. White, V. Ukleev, H. M. Rønnow, A. Tsukazaki, M. Ichikawa, M. Kawasaki, Y. Tokura
    Physical Review Letters 125, 137202 (2020). LINK

4)Microwave response of interacting oxide two-dimensional electron systems
    D. Tabrea, I. A. Dmitriev, S. I. Dorozhkin, B. P. Gorshunov, A. V. Boris, Y. Kozuka, A. Tsukazaki, M. Kawasaki, K. von Klitzing, J. Falson
    Physical Review B 102, 115432 (2020).LINK

5)Giant magneto-optical responses in magnetic Weyl semimetal Co3Sn2S2
    Y. Okamura, S. Minami, Y. Kato, Y. Fujishiro, Y. Kaneko, J. Ikeda, J. Muramoto, R. Kaneko, K. Ueda, V. Kocsis, N. Kanazawa, Y. Taguchi, T. Koretsune, K.    FujiwaraA. Tsukazaki, R. Arita, Y. Tokura, Y. Takahashi
    Nature Communications 11, 4619 (2020), DOI: 10.1038/s41467-020-18470-0. LINK (Open access)

6)Stabilization of a honeycomb lattice of IrO6 octahedra by formation of ilmenite-type superlattices in MnTiO3
    K. MiuraK. Fujiwara, K. Nakayama, R. Ishikawa, N. Shibata, A. Tsukazaki
    Communications Materials 1, 55 (2020).LINK (Open access)

7)Current scaling of the topological quantum phase transition between a quantum anomalous Hall insulator and a trivial insulator
    M. Kawamura, M. Mogi, R. Yoshimi, A. Tsukazaki, Y. Kozuka, K. S. Takahashi, M. Kawasaki, Y. Tokura
    Physical Review B 102, 041301 (2020).LINK

8)Inhomogeneous interface dipole effect at the Schottky junctions of PdCrO2 on β-Ga2O3 (201) substrates
    T. MiyakawaT. Harada, S. Ito, A. Tsukazaki
    Journal of Applied Physics 128, 025302 (2020).LINK

9)Large non-reciprocal charge transport mediated by quantum anomalous Hall edge states
    K. Yasuda, T. Morimoto, R. Yoshimi, M. Mogi, A. Tsukazaki, M. Kawamura, K. S. Takahashi, M. Kawasaki, N. Nagaosa, Y. Tokura
    Nature Nanotechnology 15, 831 (2020).LINK

10)Insulator-to-Metal Transition of Cr2O3 Thin Films via Isovalent Ru3+ Substitution
      K. Fujiwara, M. Kitamura, D. Shiga, Y. Niwa, K. Horiba, T. Nojima, H. Ohta, H. Kumigashira, A. Tsukazaki
      Chemistry of Materials 32, 5272 (2020).LINK

11)Dynamic characteristics of PdCoO2/β-Ga2O3 Schottky junctions
      T. HaradaA. Tsukazaki
      Applied Physics Letters 116, 232104 (2020).LINK

12)Two-dimensional growth of conductive ultra-thin Sn films on insulating substrate with an Fe buffer layer
      D. ZhengJ. Shiogai, H. Inoue, S. Souma, T. Sato, A. Tsukazaki
      APL Materials 8, 061103 (2020).LINK (Open access)

13)Magnetic-field-induced topological phase transition in Fe-doped (Bi,Sb)2Se3 heterostructures
      Y. SatakeJ. Shiogai, G. P. Mazur, S. Kimura, S. Awaji, K. Fujiwara, T. Nojima, K. Nomura, S. Souma, T. Sato, T. Dietl , A. Tsukazaki
      Physical Review Materials 4, 044202 (2020).LINK
      Selected as Editor’s suggestion.

14)Control of Schottky barrier height in metal/β-Ga2O3 junctions by insertion of PdCoO2 layers
      T. HaradaA. Tsukazaki
      APL Materials 8, 041109 (2020). LINK (Open access)
      Selected as a featured article.

15)Precise resistance measurement of quantum anomalous Hall effect in magnetic heterostructure film of topological insulator
      Y. Okazaki, T. Oe, M. Kawamura, R. Yoshimi, S. Nakamura, S. Takada, M. Mogi, K. S. Takahashi, A. Tsukazaki, M. Kawasaki, Y. Tokura, N. Kaneko
      Applied Physics Letters 116, 143101 (2020).LINK
      Selected as a featured article.

16)Signature of band inversion in the perovskite thin-film alloys BaSn1–xPbxO3
      J. ShiogaiT. Chida, K. Hashimoto, K. Fujiwara, T. Sasaki, A. Tsukazaki
      Physical Review B 101, 125125 (2020). LINK

17)Electrical detection of the antiferromagnetic transition in MnTiO3 ultrathin films by spin Hall magnetoresistance
      K. MiuraK. FujiwaraJ. Shiogai, T. Nojima, A. Tsukazaki
      Journal of Applied Physics 127, 103903 (2020). LINK

18)Anomalous Hall effect at the spontaneously electron-doped polar surface of PdCoO2 ultrathin films
      T. Harada, K. Sugawara, K. Fujiwara, M. Kitamura, S. Ito, T. Nojima, K. Horiba, H. Kumigashira, T. Takahashi, T. Sato, A. Tsukazaki
      Physical Review Research 2, 013282 (2020). LINK

19)A platform for making and transferring oxide films
      A. Tsukazaki
      Nature News & Views 578, 41 (2020). LINK

 
【2019】

1)Ordering phenomena of spin trimers accompanied by a large geometrical Hall effect
    S. Gao, M. Hirschberger, O. Zaharko, T. Nakajima, T. Kurumaji, A. Kikkawa, J. ShiogaiA. Tsukazaki, S. Kimura, S. Awaji, Y. Taguchi, T. Arima, Y. Tokura
    Physical Review B 100, 241115 (2019). LINK

2)Doping-induced enhancement of anomalous Hall coefficient in Fe-Sn nanocrystalline films for highly sensitive Hall sensors
    K. FujiwaraY. SatakeJ. ShiogaiA. Tsukazaki
    APL Materials 7, 111103 (2019). LINK (Open access)

3)Low-frequency noise measurements on Fe–Sn Hall sensors
    J. Shiogai, Z. Jin, Y. SatakeK. FujiwaraA. Tsukazaki
    Applied Physics Express 12, 123001 (2019). LINK

4)Electric dipole effect in PdCoO2/b-Ga2O3 Schottky diodes for high-temperature operation
    T. Harada, S. Ito, A. Tsukazaki
    Science Advances 5, eaax5733 (2019). LINK

5)Ballistic transport in periodically modulated MgZnO/ZnO two-dimensional electron systems
    K. Tanaka, J. Falson, Y. Kozuka, M. Uchida, D. Maryenko, J. T. Ye, Y. Iwasa, A. Tsukazaki, J. H. Smet, M. Kawasaki
    Applied Physics Letters 115, 153101 (2019). LINK

6)Quantum anomalous Hall effect driven by magnetic proximity coupling in all-telluride based heterostructure
    R. Watanabe, R. Yoshimi , M. Kawamura, M. Mogi, A. Tsukazaki, X. Z. Yu , K. Nakajima, K. S. Takahashi, M. Kawasaki, Y. Tokura
    Applied Physics Letters 115, 102403 (2019). LINK

7)Large Anomalous Hall Effect in Topological Insulators with Proximitized Ferromagnetic Insulators
    M. Mogi, T. Nakajima, V. Ukleev, A. Tsukazaki, R. Yoshimi, M. Kawamura, K. S. Takahashi, T. Hanashima, K. Kakurai, T. Arima, M. Kawasaki, Y. Tokura
    Physical Review Letters 123, 016804 (2019). LINK

8)Nonreciprocal charge transport at topological insulator/superconductor interface
    K. Yasuda, H. Yasuda, T. Liang, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, N. Nagaosa, M. Kawasaki, Y. Tokura
    Nature Communications 10, 2734 (2019), DOI: 10.1038/s41467-019-10658-3. LINK (Open access)

9)Ferromagnetic Co3Sn2S2 thin films fabricated by co-sputtering
    K. FujiwaraJ. IkedaJ. Shiogai, T. Seki, K. Takanashi, A. Tsukazaki
    Japanese Journal of Applied Physics 58, 050912 (2019). LINK (Open access)

10)Quantized conductance of one-dimensional strongly correlated electrons in an oxide heterostructure
      H. Hou, Y. Kozuka, Jun-Wei Liao, L. W. Smith, D. Kos, J. P. Griffiths, J. Falson, A. Tsukazaki, M. Kawasaki, C. J. B. Ford
      Physical Review B 99, 121302 (2019). LINK

11)Growth control of corundum-derivative MnSnO3 thin films by pulsed-laser deposition
      K. MiuraK. FujiwaraA. Tsukazaki
      AIP Advances 9, 035210 (2019). LINK (Open access)

12)Fe-Sn nanocrystalline films for flexible magnetic sensors with high thermal stability
      Y. SatakeK. FujiwaraJ. Shiogai, T. Seki, A. Tsukazaki
      Scientific Reports 9, 3282 (2019). LINK (Open access)

13)Formation of distorted rutile-type NbO2, MoO2, and WO2 films by reactive sputtering
      K. FujiwaraA. Tsukazaki
      Journal of Applied  Physics 125, 085301 (2019). LINK

14)Giant thermoelectric power factor in ultrathin FeSe superconductor
      S. Shimizu, J. Shiogai, N. Takemori, S. Sakai, H. Ikeda, R. Arita, T. Nojima, A. Tsukazaki, Y. Iwasa
      Nature Communications 10, 825 (2019), DOI: 10.1038/s41467-019-08784-z. LINK (Open access)

15)Magnetic topological insulators
      Y. Tokura, K. Yasuda, A. Tsukazaki
      Nature Reviews Physics 1, 126 (2019). LINK

16)Thin-film stabilization of LiNbO3-type ZnSnO3 and MgSnO3 by molecular-beam epitaxy
      K. FujiwaraH. MinatoJ. Shiogai, A. Kumamoto, N. Shibata, A. Tsukazaki
      APL Materials 7, 022505 (2019). LINK (Open access)

 
【2018】

1)Pulsed-laser deposition of InSe thin films for the detection of thickness-dependent bandgap modification
    D. ZhengJ. Shiogai,K. FujiwaraA. Tsukazaki
    Applied Physics Letters 113, 253501 (2018). LINK

2)Current-driven magnetization switching in ferromagnetic bulk Rashba semiconductor (Ge,Mn)Te
    R. Yoshimi, K. Yasuda, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, Y. Tokura
    Science Advances 4, eaat9989 (2018). LINK

3)Andreev Reflection at the Interface with an Oxide in the Quantum Hall Regime
    Y. Kozuka, A. Sakaguchi, J. Falson, A. Tsukazaki, M. Kawasaki
    Journal the Physical Society of Japan 87, 124712 (2018). LINK

4)Emergence of interfacial conduction and ferromagnetism in MnTe/InP
    R. Watanabe, R. Yoshimi, M. Shirai, T. Tanigaki, M. Kawamura, A. Tsukazaki, K. S.Takahashi, R. Arita, M. Kawasaki, Y. Tokura
    Applied Physics Letters 113, 181602 (2018). LINK

5)Topological quantum phase transition in magnetic topological insulator upon magnetization rotation
    M. Kawamura, M. Mogi, R. Yoshimi, A. Tsukazaki, Y. Kozuka, K. S. Takahashi, M. Kawasaki, Y. Tokura
    Physical Review B 98, 140404 (2018). LINK

6)Ferromagnetic insulator Cr2Ge2Te6 thin films with perpendicular remanence
    M. Mogi, A. Tsukazaki, Y. Kaneko, R. Yoshimi, K. S. Takahashi, M. Kawasaki, Y. Tokura
    APL Materials 6, 091104 (2018). LINK (Open access)

7)Effect of the depletion region in topological insulator heterostructures for ambipolar field-effect transistors
    Y. SatakeJ. ShiogaiK. FujiwaraA. Tsukazaki
    Physical Review B 98, 125415 (2018). LINK

8)A cascade of phase transitions in an orbitally mixed half-filled Landau level
    J. Falson, D. Tabrea, D. Zhang, I. Sodemann, Y. Kozuka, A. Tsukazaki, M. Kawasaki, K. von Klitzing, J. H. Smet
    Science Advances 4, eaat8742 (2018). LINK

9)Anisotropy of the upper critical field and its thickness dependence in superconducting FeSe electric-double-layer transistors
    J. Shiogai, S. Kimura, S. Awaji, T. Nojima, A. Tsukazaki
    Physical Review B 97, 174520 (2018). LINK

10)High-mobility field-effect transistor based on crystalline ZnSnO3 thin films
      H. MinatoK. FujiwaraA. Tsukazaki
      AIP Advances 8, 055327 (2018). LINK (Open access)

11)Highly conductive PdCoO2 ultrathin films for transparent electrodes
      T. HaradaK. FujiwaraA. Tsukazaki
      APL Materials 6, 046107 (2018). LINK (Open access)

12)Critical current enhancement driven by suppression of superconducting fluctuation in ion-gated ultrathin FeSe
      T. HaradaJ. ShiogaiT. Miyakawa, T. Nojima, A. Tsukazaki
      Superconductor Science and Technology 31, 055003 (2018). LINK

13)Enhancement of superconducting transition temperature in FeSe electric-double-layer transistor with multivalent ionic liquids
      T. MiyakawaJ. Shiogai, S. Shimizu, M. Matsumoto, Y. ItoT. HaradaK. Fujiwara, T. Nojima, Y. Itoh, T. Aida, Y. Iwasa, A. Tsukazaki
      Physical Review Materials 2, 031801(R) (2018). LINK

14)Fermi-level tuning of the Dirac surface state in (Bi1−xSbx)2Se3 thin films
      Y. SatakeJ. Shiogai, D. Takane, K. Yamada, K. Fujiwara, S. Souma, T. Sato, T. Takahashi,A. Tsukazaki
      Journal of Physics:Condensed Matter 30, 085501 (2018). LINK

15)Large magneto-thermopower in MnGe with topological spin texture
      Y. Fujishiro, N. Kanazawa, T. Shimojima, A. Nakamura, K. Ishizaka, T. Koretsune, R. Arita, A. Miyake, H. Mitamura, K. Akiba, M. Tokunaga, J. Shiogai,
      S. Kimura, S. Awaji, A. Tsukazaki, A. Kikkawa, Y. Taguchi, Y. Tokura
     Nature Communications 9, 408 (2018), DOI: 10.1038/s41467-018-02857-1. LINK (Open access)

16)All-in-all-out magnetic domain inversion in Tb2Ir2O7with molecular fields antiparallel to external fields
      T. C. Fujita, Y. Kozuka, J. Matsuno, M. Uchida, A. Tsukazaki, T. Arima, M. Kawasaki
      Physical Review Materials 2, 011402(R) (2018). LINK

 
【2017】

1)Topological spin-hedgehog crystals of a chiral magnet as engineered with magnetic anisotropy
    N. Kanazawa, J. S. White, H. M. Rønnow, C. D. Dewhurst, D. Morikawa, K. Shibata, T. Arima, F. Kagawa, A. Tsukazaki, Y. Kozuka, M. Ichikawa, M.
    Kawasaki, Y. Tokura
    Physical Review B 96, 220414(R) (2017). LINK

2)Visualizing ferroic domains in an all-in–all-out antiferromagnet thin film
    Y. Kozuka, T. C. Fujita, M. Uchida, T. Nojima, A. Tsukazaki, J. Matsuno, T. Arima, M. Kawasaki
    Physical Review B 96, 224417 (2017). LINK

3)Observation of superparamagnetism in coexistence with quantum anomalous Hall =±1 and =0 Chern states
    E. O. Lachman, M. Mogi, J. Sarkar, A. Uri, K. Bagani, Y. Anahory, Y. Myasoedov, M. E. Huber, A. Tsukazaki, M. Kawasaki, Y. Tokura, E. Zeldov
    npj Quantum Materials 2, 70 (2017). LINK

4)Quantized chiral edge conduction on domainwalls ofamagnetic topological insulator
    K. Yasuda, M. Mogi, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, F. Kagawa, Y. Tokura
    Science 358, 1311 (2017). LINK

5)Tailoring tricolor structure of magnetic topological insulator for robust axion insulator
    M. Mogi, M. Kawamura, A. Tsukazaki, R. Yoshimi, K. S. Takahashi, M. Kawasaki, Y. Tokura
    Science Advances 3, eaao1669 (2017). LINK

6)Current-Nonlinear Hall Effect and Spin-Orbit Torque Magnetization Switching in a Magnetic Topological Insulator
    K. Yasuda, A. Tsukazaki, R. Yoshimi, K. Kondou, K.S. Takahashi, Y. Otani, M. Kawasaki, Y. Tokura
    Physical Review Letters 119, 137204 (2017). LINK

7)Fabrication of tetragonal FeSe–FeS alloy films with high sulfur contents by alternate deposition
    K. FujiwaraJ. ShiogaiA. Tsukazaki
    Japanese Journal of Applied Physics 56, 100308 (2017). LINK

8)Nonlinear response of a MgZnO/ZnO heterostructure close to zero bias
    Q. Shi, J. Falson, M. A. Zudov, Y. Kozuka, A. Tsukazaki, M. Kawasaki, J. Smet
    Physical Review B 96, 125401 (2017). LINK

9)A versatile patterning process based on easily soluble sacrificial bilayers
    T. HaradaA. Tsukazaki
    AIP Advances 7, 085011 (2017). LINK (Open access)

10)Current-Driven Instability of the Quantum Anomalous Hall Effect in Ferromagnetic Topological Insulators
      M. Kawamura, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, Y. Tokura
      Physical Review Letters 119, 016803 (2017). LINK

11)Enhanced electron mobility at the two-dimensional metallic surface of BaSnO3 electric-double-layer transistor at low temperatures
      K. FujiwaraK. NishiharaJ. ShiogaiA. Tsukazaki
      Applied Physics Letters 110, 203503 (2017). LINK

12)Observation of anomalous Hall effect in a non-magnetic two-dimensional electron system
      D. Maryenko, A.S. Mishchenko, M.S. Bahramy, A. Ernst, J. Falson, Y. Kozuka, A. Tsukazaki, N. Nagaosa, M. Kawasaki
      Nature Communications 8, 14777 (2017), DOI: 10.1038/ncomms14777. LINK (Open access)

13)Unified trend of superconducting transition temperature versus Hall coefficient for ultrathin FeSe films prepared on different oxide
      substrates

      J. ShiogaiT. MiyakawaY. Ito, T. Nojima, A. Tsukazaki
      Physical Review B 95, 115101 (2017). LINK

14)A magnetic heterostructure of topological insulators as a candidate for an axion insulator
      M.Mogi, M.Kawamura, R.Yoshimi, A. Tsukazaki, Y.Kozuka, N.Shirakawa, K.S.Takahashi, M.Kawasaki, Y.Tokura
      Nature Materials 16, 516 (2017). LINK

15)Hall field-induced resistance oscillations in MgZnO/ZnO heterostructures
      Q. Shi, M. A. Zudov, J. Falson, Y. Kozuka, A. Tsukazaki, M. Kawasaki, K. von Klitzing, J. Smet
      Physical Review B 95, 041411 (2017). LINK

16)Alloy disorder modulated electron transport at MgxZn1-xO/ZnO heterointerface
      A. Vishnuradhan, Y. Kozuka, M. Uchida, J. Falson, A. Tsukazaki, M. Kawasaki
      AIP Advances 7, 015029 (2017). LINK (Open access)

 
【2016】

1)Direct observation of anisotropic magnetic field response of the spin helix in FeGe thin films
    N. Kanazawa, J. S. White, H. M. Rønnow, C. D. Dewhurst, Y. Fujishiro, A. Tsukazaki, Y. Kozuka, M. Kawasaki, M. Ichikawa, F. Kagawa, Y. Tokura
    Physical Review B 94, 184432 (2016).LINK

2)Co thin films deposited directly on ZnO polar surfaces
    D. Chiba, N. Shibata, A. Tsukazaki
    Scientific Reports 6, 38005 (2016).LINK (Open access)

3)Large Unidirectional Magnetoresistance in a Magnetic Topological Insulator
    K. Yasuda, A. Tsukazaki, R. Yoshimi, K.S. Takahashi, M. Kawasaki, Y. Tokura
    Physical Review Letters 117, 127202 (2016) .LINK

4)High field-effect mobility at the (Sr,Ba)SnO3/BaSnO3 interface
    K. FujiwaraK. NishiharaJ. ShiogaiA. Tsukazaki
    AIP Advances 6, 085014 (2016).LINK (Open access)

5)Fermi-level-dependent charge-to-spin current conversion by Dirac surface states of topological insulators
    K.Kondou, R.Yoshimi, A. Tsukazaki, Y.Fukuma, J.Matsuno, K.S.Takahashi, M.Kawasaki, Y.Tokura, Y.Otani
    Nature Physics 12, 1027 (2016).LINK

6)Zero-bias photocurrent in ferromagnetic topological insulator
    N. Ogawa, R. Yoshimi, K. Yasuda, A. Tsukazaki, M. Kawasaki, Y. Tokura
    Nature Communications 7, 12246 (2016), DOI: 10.1038/ncomms12246.LINK (Open access)

7)Terahertz spectroscopy on Faraday and Kerr rotations in a quantum anomalous Hall state
    K. N. Okada, Y. Takahashi, M. Mogi, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, N. Ogawa, M. Kawasaki, Y. Tokura
    Nature Communications 7, 12245 (2016), DOI: 10.1038/ncomms12245.LINK (Open access)

8)Improvement of electron mobility in La:BaSnO3 thin films by insertion of an atomically flat insulating (Sr,Ba)SnO3 buffer layer
    J. ShiogaiKazuki Nishihara, Kazuhisa Sato, A. Tsukazaki
    AIP Advances 6, 065305 (2016).LINK (Open access)

9)MgZnO/ZnO heterostructures with electron mobility exceeding 1 × 106 cm2/Vs
    J. Falson, Y. Kozuka, M. Uchida, J. H. Smet, T. Arima, A. Tsukazaki, M. Kawasaki
    Scientific Reports 6, 26598 (2016). LINK (Open access)

10)Observation of the quantum Hall effect in δ-doped SrTiO3
      Y. Matsubara, K.S. Takahashi, M.S. Bahramy, Y. Kozuka, D. Maryenko, J. Falson, A. Tsukazaki,Y. Tokura, M. Kawasaki
      Nature Communications 7, 11631 (2016), DOI: 10.1038/ncomms11631. LINK (Open access)

11)Geometric Hall effects in topological insulator heterostructures
      K. Yasuda, R.Wakatsuki, T. Morimoto, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, M. Ezawa,M. Kawasaki, N. Nagaosa, Y. Tokura
      Nature Physics 12, 555 (2016) .LINK

12)All-in-all-out magnetic domain wall conduction in a pyrochlore iridate heterointerface
      T. C. Fujita, M. Uchida, Y. Kozuka, W. Sano, A. Tsukazaki, T. Arima, M. Kawasaki
      Physical Review B 93, 064419 (2016) .LINK

13)Enhanced photogalvanic current in topological insulators via Fermi energy tuning
      K. N. Okada, N. Ogawa, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, M. Kawasaki, Y. Tokura
      Physical Review B 93, 081403(R) (2016).LINK

14)Quantum Hall effect in a bulk antiferromagnet EuMnBi2 with magnetically confined two-dimensional Dirac fermions
      H. Masuda, H. Sakai, M. Tokunaga, Y. Yamasaki, A. Miyake, J. Shiogai, S. Nakamura, S. Awaji, A. Tsukazaki, H. Nakao, Y. Murakami, T. Arima, Y. Tokura,          S.Ishiwata
      Science Advances 2, e1501117 (2016).LINK

15)Observation of microwave induced resistance and photovoltage oscillations in MgZnO/ZnO heterostructures
      D. F. K¨archer, A. V. Shchepetilnikov, Yu. A. Nefyodov, J. Falson, I. A. Dmitriev, Y. Kozuka, D. Maryenko, A. Tsukazaki, S. I. Dorozhkin, I. V. Kukushkin, M.         Kawasaki, J. H. Smet
      Physical Review B 93, 041410(R) (2016).LINK

16)All-in-all-out magnetic domain size in pyrochlore iridate thin films as probed by local magnetotransport
      T. C. Fujita, M. Uchida, Y. Kozuka, S. Ogawa, A. Tsukazaki, T. Arima, M. Kawasaki
      Applied Physics Letters 108, 022402 (2016).LINK

17)Electric-field-induced superconductivity in electrochemically etched ultrathin FeSe films on SrTiO3 and MgO
      J. ShiogaiY. Ito, T. Mitsuhashi, T. Nojima, A. Tsukazaki
      Nature Physics 12, 42 (2016) .LINK

 
【2015】

1)Spin-Selective Electron Quantum Transport in Nonmagnetic MgZnO / ZnO Heterostructures
    D. Maryenko, J. Falson, M. S. Bahramy, I. A. Dmitriev, Y. Kozuka, A. Tsukazaki, M. Kawasaki
    Physical Review Letters 115, 197601 (2015).LINK

2)Magnetic modulation doping in topological insulators toward higher-temperature quantum anomalous Hall effect
    M. Mogi, R. Yoshimi, A. Tsukazaki, K. Yasuda, Y. Kozuka, K. S. Takahashi, M. Kawasaki, Y. Tokura
    Applied Physics Letters 107, 182401 (2015).LINK

3)Quantum Hall states stabilized in semi-magnetic bilayers of topological insulators
    R. Yoshimi, K. Yasuda, A. Tsukazaki, K.S. Takahashi, N. Nagaosa, M. Kawasaki, Y. Tokura
    Nature Communications 6, 8530 (2015), DOI: 10.1038/ncomms9530.LINK (Open access)

4)Formation of In-plane Skyrmions in Epitaxial MnSi Thin Films as Revealed by Planar Hall Effect
    T. Yokouchi, N. Kanazawa, A. Tsukazaki, Y. Kozuka, A. Kikkawa, Y. Taguchi, M. Kawasaki, M. Ichikawa, F. Kagawa, Y. Tokura
    Journal the Physical Society of Japan 84, 104708 (2015).LINK

5)Electron scattering times in ZnO based polar heterostructures
    J. Falson, Y. Kozuka, J. H. Smet, T. Arima, A. Tsukazaki, M. Kawasaki
    Applied Physics Letters 107, 082102 (2015).LINK

6)Magnetic Field-Induced Insulator-Semimetal Transition in a Pyrochlore Nd2Ir2O7
    K. Ueda, J. Fujioka, B.-J. Yang, J. Shiogai, A. Tsukazaki, S. Nakamura, S. Awaji, N. Nagaosa, Y. Tokura
    Physical Review Letters 115, 056402 (2015).LINK

7)Topological Hall effect in thin films of the Heisenberg ferromagnet EuO
    Y. Ohuchi, Y. Kozuka, M. Uchida, K. Ueno, A. Tsukazaki, M. Kawasaki
    Physical Review B 91, 245115 (2015).LINK

8)Odd-parity magnetoresistance in pyrochlore iridate thin films with broken time-reversal symmetry
    T. C. Fujita, Y. Kozuka, M. Uchida, A. Tsukazaki, T. Arima, M. Kawasaki
    Scientific Reports 5, 9711 (2015).LINK (Open access)

9)Quantum Hall effect on top and bottom surface states of topological insulator (Bi1-xSbx)2Te3 films
    R. Yoshimi, A. Tsukazaki, Y. Kozuka, J. Falson, K.S. Takahashi, J.G. Checkelsky, N. Nagaosa, M. Kawasaki, Y. Tokura
    Nature Communications 6, 6627 (2015), DOI: 10.1038/ncomms7627.LINK

10)Even-denominator fractional quantum Hall physics in ZnO
      J. Falson, D. Maryenko, B. Friess, D. Zhang, Y. Kozuka, A. Tsukazaki, J. H. Smet, M. Kawasaki
      Nature Physics 11, 347 (2015).LINK

11)Optical probing of MgZnO/ZnO heterointerface confinement potential energy levels
      V. V. Solovyev, A. B. Van’kov, I. V. Kukushkin, J. Falson, D. Zhang, D. Maryenko, Y. Kozuka, A. Tsukazaki, J. H.Smet, M. Kawasaki
      Applied Physics Letters 106, 082102 (2015).LINK

12)Microwave magnetoplasma resonances of two-dimensional electrons in MgZnO/ZnO heterojunctions
      V. E. Kozlov, A. B. Van’kov, S. I. Gubarev, I. V. Kukushkin, V. V. Solovyev, J. Falson, D. Maryenko, Y. Kozuka, A. Tsukazaki, M. Kawasaki, J. H. Smet
      Physical Review B 91, 085304 (2015).LINK

13)Discretized topological Hall effect emerging from skyrmions in constricted geometry
      N. Kanazawa, M. Kubota, A. Tsukazaki, Y. Kozuka, K. S. Takahashi, M. Kawasaki, M. Ichikawa, F. Kagawa, Y. Tokura
      Physical Review B 91, 041122(R) (2015).LINK

14)Calibration and control of in-plane Mg doping distribution in MgxZn1-xO/ZnO heterostructures grown by molecular beam epitaxy
      M. Uchida, J. Falson, Y. Segawa, Y. Kozuka, A. Tsukazaki, M. Kawasaki
      Japanese Journal of Applied Physics 54, 028004 (2015).LINK

 
【2014】

1)Polarization-dependent Landau level crossing in a two-dimensional electron system in a MgZnO/ZnO heterostructure
    D. Maryenko, J. Falson, Y. Kozuka, A. Tsukazaki, M. Kawasaki
    Physical Review B 90, 245303 (2014).LINK

2)Air-gap gating of MgZnO/ZnO heterostructures
    T. Tambo, J. Falson, D. Maryenko, Y. Kozuka, A. Tsukazaki, M. Kawasaki
    Journal of Applied Physics 116, 084310(2014) .LINK

3)Trajectory of the anomalous Hall effect towards the quantized state in a ferromagnetic topological insulator
    J. G. Checkelsky, R. Yoshimi, A. Tsukazaki, K. S. Takahashi, Y. Kozuka, J. Falson, M. Kawasaki, Y. Tokura
    Nature Physics 10,731 (2014).LINK

4)Spontaneous polarization driven Mg concentration profile reconstruction in MgZnO/ZnO heterostructures
    K. Imasaka, J. Falson, Y. Kozuka, A. Tsukazaki, M. Kawasaki
    Applied Physics Letters 104, 242112 (2014).LINK

5)Photoinduced sign inversion of the anomalous Hall effect in EuO thin films
    Y. Ohuchi, Y. Kozuka, N. Rezaei, M. S. Bahramy, R. Arita, K. Ueno, A. Tsukazaki, M. Kawasaki
    Physical Review B 89, 121114(R) (2014).LINK

6)Stability of two-dimensional skyrmions in thin films of Mn1−xFexSi investigated by the topological Hall effect
    T. Yokouchi, N. Kanazawa, A. Tsukazaki, Y. Kozuka, M. Kawasaki, M.Ichikawa, F. Kagawa, Y. Tokura
    Physical Review B 89, 064416 (2014).LINK

7)Enhanced quantum oscillatory magnetization and nonequilibrium currents in an interacting two-dimensional electron system in MgZnO/ZnO      with repulsive scatterers
    M. Brasse, S. M. Sauther, J. Falson, Y. Kozuka, A. Tsukazaki, Ch. Heyn, M. A. Wilde, M. Kawasaki, D. Grundler
    Physical Review B 89, 075307 (2014).LINK

8)Dirac electron states formed at heterointerface between a topological-insulator and a conventional semiconductor
    R. Yoshimi, A. Tsukazaki, K. Kikutake, J. G. Checkelsky, K. S.Takahashi, M. Kawasaki, Y. Tokura
    Nature Materials 13, 253 (2014).LINK

9)Surface and interface engineering of ZnO based heterostructures fabricated by pulsed-laser deposition
    A. Tsukazaki, A Ohtomo, M Kawasaki
    Journal of Physics D: Applied  Physics 47, 034003 (2014).LINK

10)Challenges and opportunities of ZnO-related single crystalline heterostructures
      Y. Kozuka, A. Tsukazaki, M. Kawasaki
      Appl. Phys. Rev. 1, 011303 (2014).LINK

 
【2013】

1)Observation of Plasma and Magnetoplasma Resonances of Two-Dimensional Electrons in a Single MgZnO/ZnO Heterojunction
    V. E. Kozlov, A. B. Van’kov, S. I. Gubarev, I. V. Kukushkin,, J. Falson, D. Maryenko, Y. Kozuka, A. Tsukazaki, M. Kawasaki, J. H. Smet
    JETP Letters 98, 223 (2013).LINK

2)Systematic control of stree-induced anisotropy in pseudomorphic iron garnet thin films
    M. Kubota, K. Shibuya, Y. Tokunaga, F. Kagawa, A. Tsukazaki, Y. Tokura, M. Kawasaki
    J. Magn. Magn. Mater. 339, 63 (2013).LINK

3)Rashba Spin-orbit interaction in a MgxZn1-xO/ZnO two-dimensional electron gas studied by electrically-detected electron spin resonance
    Y. Kozuka, S. Teraoka, J. Falson, A. Oiwa, A. Tsukazaki, S. Tarucha, M. Kawasaki
    Physical Review B 87, 205411 (2013).LINK

4)Robust formation of skyrmions and topological Hall effect anomaly in epitaxial thin films of MnSi
    Yufan Li, N. Kanazawa, X. Z. Yu, A. Tsukazaki, M. Kawasaki, M. Ichikawa, X. F. Jin, F. Kagawa, Y. Tokura
    Physical Review Letters 110, 117202 (2013).LINK

5)Magneto-photoluminescence of charged excitons from MgxZn1-xO/ZnO heterojunctions
    T. Makino, Y. Segawa, A. Tsukazaki, R. Shen, S. Takeyama, H. Yuji, Y. Nishimoto, S. Akasaka, D. Takamizu, K. Nakahara, T. Tanabe, A. Kamisawa, M.
    Kawasaki
    Physical Review B 87, 085312 (2013).LINK