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Breaking of Thermopower-Conductivity Trade-Off in LaTiO$_3$ Film around Mott Insulator to Metal Transition
Introducing artificial strain in epitaxial thin films is an effective strategy to alter electronic structures of transition metal …
Takayoshi Katase, Xinyi He, Terumasa Tadano, Jan M Tomczak, Takaki Onozato, Keisuke Ide, Bin Feng, Tetsuya Tohei, Hidenori Hiramatsu, Hiromichi Ohta, Yuichi Ikuhara, Hideo Hosono, Toshio Kamiya
Cite Journal link Press release プレスリリース
Crucial role of interfacial $s−d$ exchange interaction in the temperature dependence of tunnel magnetoresistance
The tunnel magnetoresistance (TMR) is one of the most important spintronic phenomena but its reduction at finite temperature is a …
Keisuke Masuda, Terumasa Tadano, Yoshio Miura
Cite Journal link arXiv
Large phonon drag thermopower boosted by massive electrons and phonon leaking in LaAlO$_3$/LaNiO$_3$/LaAlO$_3$ heterostructure
An unusually large thermopower (S) enhancement is induced by heterostructuring thin films of the strongly correlated electron oxide …
Masatoshi Kimura, Xinyi He, Takayoshi Katase, Terumasa Tadano, Jan M Tomczak, Makoto Minohara, Ryotaro Aso, Hideto Yoshida, Keisuke Ide, Shigenori Ueda, Hidenori Hiramatsu, Hiroshi Kumigashira, Hideo Hosono, Toshio Kamiya
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Anharmonic organic cation vibrations in the hybrid lead halide perovskite CH$_3$NH$_3$PbI$_3$
Ultrafast vibrational dynamics of inorganic-organic hybrid lead halide perovskite CH3NH3PbI3 in the room-temperature tetragonal phase …
Kunie Ishioka, Terumasa Tadano, Masatoshi Yanagida, Yasuhiro Shirai, Kenjiro Miyano
Cite Journal link arXiv
Lattice dynamics effects on finite-temperature stability of $R_{1−x}$Fe$_x$ ($R$ = Y, Ce, Nd, Sm, and Dy) alloys from first principles
We report the effects of lattice dynamics on the thermodynamic stability of binary R 1−x Fe x (0 < x < 1) compounds (R: …
Guangzong Xing, Takahiro Ishikawa, Yoshio Miura, Takashi Miyake, Terumasa Tadano
Cite Journal link arXiv
Luminescence fine structures in single lead Halide perovskite nanocrystals: Size dependence of the exciton--phonon coupling
Lead halide perovskite nanocrystals (NCs) have superior photoluminescence (PL) properties, such as high PL quantum yields and wide PL …
Kenichi Cho, Takumi Yamada, Hirokazu Tahara, Terumasa Tadano, Hidekatsu Suzuura, Masaki Saruyama, Ryota Sato, Toshiharu Teranishi, Yoshihiko Kanemitsu
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Ab initio derivation of low-energy Hamiltonians for systems with strong spin-orbit interaction: Application to Ca5Ir3O12
We present an ab initio derivation method for effective low-energy Hamiltonians of material with strong spin-orbit interactions. The …
Maxime Charlebois, Jean-Baptiste Morée, Kazuma Nakamura, Yusuke Nomura, Terumasa Tadano, Yoshihide Yoshimoto, Youhei Yamaji, Takumi Hasegawa, Kazuyuki Matsuhira, Masatoshi Imada
Cite Journal link arXiv
Evolutionary search for cobalt-rich compounds in the yttrium-cobalt-boron system
Modern high-performance permanent magnets are made from alloys of rare earth and transition metal elements, and large magnetization is …
Takahiro Ishikawa, Taro Fukazawa, Guangzong Xing, Terumasa Tadano, Takashi Miyake
Cite Journal link arXiv
Exploring diamondlike lattice thermal conductivity crystals via feature-based transfer learning
Ultrahigh lattice thermal conductivity materials hold great importance since they play a critical role in the thermal management of …
Shenghong Ju, Ryo Yoshida, Chang Liu, Stephen Wu, Kenta Hongo, Terumasa Tadano, Junichiro Shiomi
Cite Journal link ChemRxiv
RESPACK: An ab initio tool for derivation of effective low-energy model of material
RESPACK is a first-principles calculation software for evaluating the interaction parameters of materials and is able to calculate …
Kazuma Nakamura, Yoshihide Yoshimoto, Yusuke Nomura, Terumasa Tadano, Mitsuaki Kawamura, Taichi Kosugi, Kazuyoshi Yoshimi, Takahiro Misawa, Yuichi Motoyama
Cite Journal link arXiv