Article-Journal

First-Principles Phonon Quasiparticle Theory Applied to a Strongly Anharmonic Halide Perovskite
Understanding and predicting lattice dynamics in strongly anharmonic crystals is one of the long-standing challenges in condensed …
Terumasa Tadano, Wissam a Saidi
Cite Journal link arXiv
First-Principles Phonon Quasiparticle Theory Applied to a Strongly Anharmonic Halide Perovskite
Interfacial embedding for high‐efficiency and stable methylammonium‐free perovskite solar cells with fluoroarene hydrazine
Abstract Perovskite solar cells (PSCs) with state-of-the-art efficiencies contain thermally unstable methylammonium (MA). Here, …
Dhruba B Khadka, Yasuhiro Shirai, Masatoshi Yanagida, Terumasa Tadano, Kenjiro Miyano
Cite Journal link Press release プレスリリース
Electronic and lattice thermal conductivity switching by 3D−2D crystal structure transition in nonequilibrium (Pb$_{1−x}$Sn$_x$)Se
Abstract Dynamic control of thermal transport in solid materials is highly desired for thermal management technology. However, the …
Yusaku Nishimura, Xinyi He, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Suguru Kitani, Kota Hanzawa, Shigenori Ueda, Hidenori Hiramatsu, Hitoshi Kawaji, Hideo Hosono, Toshio Kamiya
Cite Journal link Press release プレスリリース
Exciton-Phonon and Trion-Phonon Couplings Revealed by Photoluminescence Spectroscopy of Single CsPbBr3 Perovskite Nanocrystals
Lead halide perovskite nanocrystals (NCs) have outstanding photoluminescence (PL) properties and excellent potential for light-emitting …
Kenichi Cho, Hirokazu Tahara, Takumi Yamada, Hidekatsu Suzuura, Terumasa Tadano, Ryota Sato, Masaki Saruyama, Hideki Hirori, Toshiharu Teranishi, Yoshihiko Kanemitsu
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Anharmonic phonon renormalization and thermal transport in the type-I Ba$_8$Ga$_{16}$Sn$_{30}$ clathrate from first principles
Effects of strong phonon anharmonicity of a type-I clathrate Ba8Ga16Sn30 induced by the quadruple-well potential of guest atoms were …
Masato Ohnishi, Terumasa Tadano, Shinji Tsuneyuki, Junichiro Shiomi
Cite Journal link arXiv
LO-mode phonon of KCl and NaCl at 300 K by inelastic x-ray scattering measurements and first principles calculations
Longitudinal-optical (LO) mode phonon branches of KCl and NaCl were measured using inelastic x-ray scattering (IXS) at 300 K and …
Atsushi Togo, Hiroyuki Hayashi, Terumasa Tadano, Satoshi Tsutsui, Isao Tanaka
Cite Journal link arXiv
Degenerated Hole Doping and Ultra-Low Lattice Thermal Conductivity in Polycrystalline SnSe by Nonequilibrium Isovalent Te Substitution
Tin mono-selenide (SnSe) exhibits the world record of thermoelectric conversion efficiency ZT in the single crystal form, but the …
Xinyi He, Haoyun Zhang, Takumi Nose, Takayoshi Katase, Terumasa Tadano, Keisuke Ide, Shigenori Ueda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya
Cite Journal link Press release プレスリリース
Lattice dynamics and its effects on magnetocrystalline anisotropy energy of pristine and hole-doped YCo$_5$ from first principles
We study the lattice dynamics effects on the phase stability and magnetocrystalline anisotropy (MCA) energy of CaCu5-type YCo5 at …
Guangzong Xing, Yoshio Miura, Terumasa Tadano
Cite Journal link arXiv
Anharmonic Grüneisen theory based on self-consistent phonon theory: Impact of phonon-phonon interactions neglected in the quasiharmonic theory
We formulate a theory of thermal expansion based on the self-consistent phonon (SCP) theory, which nonperturbatively considers the …
Ryota Masuki, Takuya Nomoto, Ryotaro Arita, Terumasa Tadano
Cite Journal link arXiv
Descriptors of intrinsic hydrodynamic thermal transport: screening a phonon database in a machine learning approach
Machine learning techniques are used to explore the intrinsic origins of the hydrodynamic thermal transport and to find new materials …
Pol Torres, Stephen Wu, Shenghong Ju, Chang Liu, Terumasa Tadano, Ryo Yoshida, Junichiro Shiomi
Cite Journal link arXiv