Tsukazaki Laboratory

Motoki Osada

Research Interest

Solid state physics, (photo)electrochemistry, nanotechnology, low-dimensional quantum materials

Curriculum Vitae

10/2024present    Asst. Prof., QPEC and Applied Physics, the University of Tokyo

20222024               Asst. Prof., Institute for Materials Research, Tohoku University

20202022               Postdoctoral Scholar, Applied Physics, Stanford University

20152022               Research Assistant, SLAC National Accelerator Laboratory

20142020               Ph.D., Materials Science and Engineering, Stanford University

20102014               B.Eng., Metallurgical Engineering, Tokyo Institute of Technology

Publications

23. Scanning SQUID study of ferromagnetism and superconductivity in infinite-layer nickelates

R. A. Shi, B. Y. Wang, Y. Iguchi, M. Osada, K. Lee, B. H. Goodge, L. F. Kourkoutis, H. Y. Hwang, K. A. Moler

Phys. Rev. Mater. 8, 024802 (2024).

 

22. Linear-in-temperature resistivity for optimally superconducting (Nd,Sr)NiO2 

K. Lee, B. Y. Wang, M. Osada, B. H. Goodge, T. C. Wang,  Y. Lee, S. Harvey, W. J. Kim, Y. Yu, C. Murthy, S. Raghu, L. F. Kourkoutis, H. Y. Hwang

Nature 619, 7696 (2023).

 

21. Improvement of superconducting properties in La1−xSrxNiO2 thin films by tuning topochemical reduction temperature

M. Osada, K. Fujiwara, T. Nojima, A. Tsukazaki

Phys. Rev. Mater. 7, L051801 (2023).

 

20. Resolving the polar interface of infinite layer nickelate thin films

B. H. Goodge, B. Geisler, K. Lee, M. Osada, B. Y. Wang, D. Li, H. Y. Hwang, R. Pentcheva, L. F. Kourkoutis

Nat. Mater. 22, 466 (2023).

 

19. Geometric frustration of Jahn–Teller order in the infinite-layer lattice

W. J. Kim, M. A. Smeaton, C. Jia, B. H. Goodge, B.-G. Cho, K. Lee, M. Osada, D. Jost, A. V. Ievlev,  B. Moritz, L. F. Kourkoutis, T. P. Devereaux, H. Y. Hwang

Nature 615, 237 (2023).

 

18. Intrinsic magnetism in superconducting infinite-layer nickelates

J. Fowlie, M. Hadjimichael, M. M. Martins, D. Li, M. Osada, B. Y. Wang, K. Lee, Y. Lee, Z. Salman, T. Prokscha, J.-M. Triscone, H. Y. Hwang, A. Suter

Nat. Phys. 18, 1043 (2022).

 

17. A broken translational symmetry state in an infinite-layer nickelate

M. Rossi, M. Osada, J. Choi, S. Agrestini, D. Jost, Y. Lee, H. Lu, B. Y. Wang, K. Lee, A. Nag, Y.-D. Chuang, C.-T. Kuo, S.-J. Lee, B. Moritz, T. P. Devereaux, Z.-X. Shen, J.-S. Lee, K.-J. Zhou, H. Y. Hwang, W.-S. Lee

Nat. Phys. 18, 869 (2022).

 

16. Orbital and spin character of doped carriers in infinite-layer nickelates

M. Rossi, H. Lu, A. Nag, D. Li, M. Osada, K. Lee, B. Y. Wang, S. Agrestini, M. Garcia-Fernandez, Y.-D. Chuang, Z. X. Shen, H. Y. Hwang, B. Moritz, K.-J. Zhou, T. P. Devereaux, W. S. Lee

Phys. Rev. B 104, L220505 (2021).

 

15. Insulator-to-Metal crossover near the edge of the superconducting dome in Nd1-xSrxNiO2

Y.-T. Hsu, B. Y. Wang, M. Berben, D. Li, K. Lee, C. Duffy, T. Ottenbros, W. J. Kim, M. Osada, S. Wiedmann, H. Y. Hwang, N. E. Hussey

Phys. Rev. Research 3, L042015 (2021).

 

14. Nickelate superconductivity without rare-earth magnetism: (La,Sr)NiO2

M. Osada, B. Y. Wang, B. H. Goodge, S. P. Harvey, K. Lee, D. Li, L. F. Kourkoutis, H. Y. Hwang

Adv. Mater. 33, 2104083 (2021).

 

13. Magnetic excitations in infinite-layer nickelates

H. Lu, M. Rossi, A. Nag, M. Osada, D. Li, K. Lee, B. Y. Wang, M. Garcia-Fernandez, S. Agrestini, Z. X. Shen, E. M. Been,, B. Moritz, T. P. Devereaux, J. Zaanen, H. Y. Hwang, K.-J. Zhou, W. S. Lee

Science 373, 213 (2021).

 

12. Isotropic Pauli-limited superconductivity in the infinite-layer nickelate Nd0.775Sr0.225NiO2

B. Y. Wang, D. Li, B. H. Goodge, K. Lee, M. Osada, S. P. Harvey, L. F. Kourkoutis, H. Y. Hwang

Nat. Phys. 17, 473 (2021).

 

11. Highly efficient surface charge transfer in Fe2TiO5 epitaxial thin film photoanodes

M. Osada, K. Nishio, K. Lee, M. Colletta, B. H. Goodge, W. J. Kim, L. F. Kourkoutis, H. Y. Hwang, Y. Hikita

ACS Appl. Ener. Mater. 4, 2098 (2021).

 

10. Doping evolution of the Mott–Hubbard landscape in infinite-layer nickelates

B. H. Goodge, D. Li, K. Lee, M. Osada, B. Y. Wang, G. A. Sawatzky, H. Y. Hwang, L. F. Kourkoutis

Proc. Natl. Acad. Sci. U.S.A. 118, e2007683118 (2021).

 

9. Phase diagram of infinite layer praseodymium nickelate Pr1-xSrxNiO2 thin films

M. Osada, B. Y. Wang, K. Lee, D. Li, H. Y. Hwang

Phys. Rev. Mater. 4, 121801(R) (2020).

 

8. Superconducting dome in Nd1-xSrxNiO2 infinite layer films

D. Li, B. Y. Wang, K. Lee, S. P. Harvey, M. Osada, B. H. Goodge, L. F. Kourkoutis, H. Y. Hwang

Phys. Rev. Lett. 125, 027001 (2020).

 

7. A superconducting praseodymium nickelate with infinite layer structure

M. Osada, B. Y. Wang, B. H. Goodge, K. Lee, H. Yoon, K. Sakuma, D. Li, M. Miura, L. F. Kourkoutis, H. Y. Hwang

Nano Lett. 20, 5735 (2020).

 

6. Aspects of the synthesis of thin film superconducting infinite-layer nickelates

K. Lee, B. H. Goodge, D. Li, M. Osada, B. Y. Wang, Y. Cui, L. F. Kourkoutis, H. Y. Hwang

APL Mater. 8, 041107 (2020).

 

5. Electronic structure of the parent compound of superconducting infinite-layer nickelates

M. Hepting, D. Li, C. J. Jia, H. Lu, E. Paris, Y. Tseng, X. Feng, M. Osada, E. Been, Y. Hikita, Y.-D. Chuang, Z. Hussain, K. J. Zhou, A. Nag, M. Garcia-Fernandez, M. Rossi, H. Y. Huang, D. J. Huang, Z. X. Shen, T. Schmitt, H. Y. Hwang, B. Moritz, J. Zaanen, T. P. Devereaux, W. S. Lee

Nat. Mater. 19, 381 (2020).

 

4. Superconductivity in an infinite-layer nickelate

D. Li, K. Lee, B. Y. Wang, M. Osada, S. Crossley, H. R. Lee, Y. Cui, Y. Hikita, H. Y. Hwang

Nature 572, 624 (2019).

 

3. Oxygen evolution reaction activity in IrOx/SrIrO3 catalysts: Correlations between structural parameters and the catalytic activity

K. Lee, M. Osada, H. Y. Hwang, Y. Hikita

J. Phys. Chem. Lett. 10, 1516 (2019).

 

2. Synthesis and electronic properties of Fe2TiO5 epitaxial thin films

M. Osada, K. Nishio, H. Y. Hwang, Y. Hikita

APL Mater. 6, 056101 (2018).

 

1. Log angles: Characteristic angles of crystal orientation given by the logarithm of rotation matrix

K. Hayashi, M. Osada, Y. Kurosu, Y. Miyajima, S. Onaka

Mater. Trans. 57, 507 (2016).

研究室志望の学生さんに一言

物理と化学を組み合わせることで未知の現象に出会えるのが物質科学の楽しさです。
一緒に世界を驚かせる研究をしましょう!

I always prioritize fostering an environment that is firmly rooted in values of diversity and inclusion. I believe that a wide array of perspectives and experiences significantly enriches scientific discourse and our ability to undertake meaningful work.