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Terumasa Tadano
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Alleviating Defect and Oxidation in Tin Perovskite Solar Cells Using a Bidentate Ligand
Description/Abstract:
Tin-perovskite solar cells (Sn-PSCs) have low energy conversion efficiency and stability due to facile oxidation of Sn2+ during precursor...
Keyword:
Additive Engineering
,
Bidentate Molecule
,
Sn oxidation
, and
Tin Perovskite
Resource Type:
Article
Author:
Dhruba B. Khadka
,
Yasuhiro Shirai
,
Masatoshi Yanagida
,
Terumasa Tadano
, and
Kenjiro Miyano
Journal:
Chemistry of Materials
Date Uploaded:
29/11/2024
Interfacial Embedding for High‐Efficiency and Stable Methylammonium‐Free Perovskite Solar Cells with Fluoroarene Hydrazine
Description/Abstract:
Perovskite solar cells (PSCs) with state-of-the-art efficiencies consist of thermally unstable methylammonium (MA). Here, we have introdu...
Keyword:
Fluoroarene
,
Halogen bonding
,
MA-free perovskite
,
Surface passivation
, and
Thermal stability
Resource Type:
Article
Author:
Dhruba B. Khadka
,
Yasuhiro Shirai
,
Masatoshi Yanagida
,
Terumasa Tadano
, and
Kenjiro Miyano
Journal:
Advanced Energy Materials
Date Uploaded:
28/11/2024
Continuous crossover between insulating ferroelectrics and polar metals: <i>Ab initio</i> calculation of structural phase transitions of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Li</mml:mi><mml:mi>B</mml:mi><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math> (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>B</mml:mi><mml:mo>=</mml:mo><mml:mi>Ta</mml:mi></mml:mrow></mml:math>, W, Re, Os)
Description/Abstract:
Inspired by the recent discovery of a new polar metal LiReO 3 by K. Murayama et al, we calculate the temperature (T)-dependent crystal st...
Keyword:
first-principles calculation
,
lattice anharmonicity
,
phonons
,
polar metal
, and
structural phase transition
Resource Type:
Article
Author:
Ryota Masuki
,
Takuya Nomoto
,
Ryotaro Arita
, and
Terumasa Tadano
Journal:
Physical Review B
Date Uploaded:
09/09/2024
Inverse‐Perovskite Ba<sub>3</sub><i>B</i>O (<i>B</i> = Si and Ge) as a High Performance Environmentally Benign Thermoelectric Material with Low Lattice Thermal Conductivity
Description/Abstract:
High energy conversion efficiency (ZT) of thermoelectric materials has been achieved in heavy metal chalcogenides, but the use of toxic P...
Keyword:
Inverse-Perovskite
and
Thermoelectric Material
Resource Type:
Article
Author:
Xinyi He
,
Shigeru Kimura
,
Takayoshi Katase
,
Terumasa Tadano
,
Satoru Matsuishi
,
Makoto Minohara
,
Hidenori Hiramatsu
,
Hiroshi Kumigashira
,
Hideo Hosono
, and
Toshio Kamiya
Journal:
Advanced Science
Date Uploaded:
30/08/2024
Theoretical study of the effect of lattice dynamics on the damping constant of FePt at finite temperature
Description/Abstract:
Understanding magnetic damping behavior at finite temperatures is crucial for magnetization reversal, especially in heat-assisted magneti...
Keyword:
First-principles calculations, Lattice dynamics, Magnetization dynamics, Spin-orbit torque
Resource Type:
Article
Author:
Ivan Kurniawan
,
Yoshio Miura
,
Guangzong Xing
,
Terumasa Tadano
, and
Kazuhiro Hono
Journal:
Physical Review B
Date Uploaded:
20/12/2024
Large anomalous Hall effect in spin fluctuating devil’s staircase
Description/Abstract:
Electrons in metals can show a giant anomalous Hall effect (AHE) when interacting with characteristic spin texture. The AHE has been di...
Keyword:
SrCo6O11
,
anomalous Hall effect
, and
devil's staircase
Resource Type:
Article
Author:
Naoki Abe
,
Yuya Hano
,
Hiroaki Ishizuka
,
Yusuke Kozuka
,
Terumasa Tadano
,
Yoshihiro Tsujimoto
,
Kazunari Yamaura
,
Shintaro Ishiwata
, and
Jun Fujioka
Journal:
npj Quantum Materials
Date Uploaded:
20/05/2024
Crucial role of interfacial <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>s</mml:mi><mml:mtext>−</mml:mtext><mml:mi>d</mml:mi></mml:mrow></mml:math> exchange interaction in the temperature dependence of tunnel magnetoresistance
Description/Abstract:
The tunnel magnetoresistance (TMR) is one of the most important spintronic phenomena but its reduction at finite temperature is a severe ...
Keyword:
Exchange interaction
,
Magnetic tunnel junction
,
Spintronics
, and
Tunnel magnetoresistance
Resource Type:
Article
Author:
Keisuke Masuda
,
Terumasa Tadano
, and
Yoshio Miura
Journal:
Physical Review B
Date Uploaded:
11/04/2024
Chemical-substitution-driven giant anomalous Hall and Nernst effects in magnetic cubic Heusler compounds
Description/Abstract:
Chemical substitution efficiently optimizes the physical properties of Heusler compounds, especially their anomalous transport properties...
Keyword:
Anomalous Hall conductivity
,
Anomalous Nernst conductivity
,
Heusler compounds
, and
High-throughput screening
Resource Type:
Article
Author:
Guangzong Xing
,
Keisuke Masuda
,
Terumasa Tadano
, and
Yoshio Miura
Journal:
Acta Materialia
Date Uploaded:
09/04/2024
Charge transport and thermopower in the electron-doped narrow gap semiconductor Ca1−xLaxPd3O4
Description/Abstract:
狭ギャップ半導体であるCa1-xLaxPd3O4の輸送特性、熱電特性、電子状態計測を行った。x=0では0.1eV程度のバンドギャップを持ち、第一原理計算と一致した。また、Laによる電子ドープにより急激に抵抗は減少しx=0.01では金属的になった。一方で、ゼーベック係数はxに...
Keyword:
Palladates
Resource Type:
Article
Author:
Kouta Kazama
,
Masato Sakano
,
Kohei Yamagami
,
Takuo Ohkochi
,
Kyoko Ishizaka
,
Terumasa Tadano
,
Yusuke Kozuka
,
Hidetoshi Yoshizawa
,
Yoshihiro Tsujimoto
,
Kazunari Yamaura
, and
Jun Fujioka
Journal:
Physical Review Materials
Date Uploaded:
02/12/2023
Date Modified:
04/12/2023
Epitaxy and transport properties of alkali-earth palladate thin films
Description/Abstract:
In this study, given the theoretical prediction of Dirac bands in CaPd3O4, we investigate the fabrication and transport properties of SrP...
Keyword:
Palladate thin film
Resource Type:
Article
Author:
Yusuke Kozuka
,
Taisuke T. Sasaki
,
Terumasa Tadano
, and
Jun Fujioka
Journal:
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
Date Uploaded:
02/12/2023
Date Modified:
03/12/2023
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Terumasa Tadano
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3
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