塚﨑研究室|東京大学/東北大学

長田 礎 Motoki Osada

研究分野や研究の興味

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

略歴

01/2022-present  Assistant Professor, Institute for Materials Research, Tohoku University

2020-2022             Postdoctoral Scholar, Applied Physics, Stanford University

2015-2022             Research Assistant, SLAC National Accelerator Laboratory

2014-2020             Ph.D., Materials Science and Engineering, Stanford University

2010-2014             B.Eng., Metallurgical Engineering, Tokyo Institute of Technology

主要論文・業績

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

Physical Review 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

Physical Review 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

Advanced Materials 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

Nature Physics 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 Applied Energy Materials 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

Proceedings of the National Academy of Sciences of the United States of America 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

Physical Review Materials 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

Physical Review Letters 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 Letters 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 Materials 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

Nature Materials 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

The Journal of Physical Chemistry Letters 10, 1516 (2019).


2. Synthesis and electronic properties of Fe2TiO5 epitaxial thin films

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

APL Materials 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

Materials Transactions 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。
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