Index Catalog // MDR

Two displacive ferroelectric phase transitions in multiferroic quadruple perovskite <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Bi</mml:mi><mml:msub><mml:mi mathvariant="normal">Mn</mml:mi><mml:mn>7</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>12</mml:mn></mml:msub></mml:mrow></mml:math>

Description/Abstract:: We report on the microwave, terahertz (THz), infrared and Raman spectroscopic studies of BiMn7O12 ceramics, shedding more light into the ...
Keyword:: BiMn7O12, ferroelectric transition, multiferroic, and perovskites
Resource Type:: Article
Author:: A. Maia, M. Kempa, V. Bovtun, R. Vilarinho, C. Kadlec, J. Agostinho Moreira, A. A. Belik, P. Proschek, and S. Kamba
Journal:: Physical Review B
Date Uploaded:: 02/05/2024

Magnetotransport properties in van der Waals <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>R</mml:mi><mml:msub><mml:mi>Te</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:mo>(</mml:mo><mml:mi>R</mml:mi><mml:mo>=</mml:mo><mml:mi>La</mml:mi><mml:mo>,</mml:mo><mml:mo> </mml:mo><mml:mi>Ce</mml:mi><mml:mo>,</mml:mo><mml:mo> </mml:mo><mml:mi>Tb</mml:mi><mml:mo>)</mml:mo></mml:math>

Description/Abstract:: Rare-earth tritellurides are van-der-Waals antiferromagnets which have been attracting attention as materials not only with high mobility...
Keyword:: Antiferromagnetism, Charge density waves, Hall effect, Magnetic thin films, Magnetoresistance, Rare-earth magnetic materials, and Shubnikov-de Haas effect
Resource Type:: Article
Author:: Tomo Higashihara, Ryotaro Asama, Ryoya Nakamura, Mori Watanabe, Nanami Tomoda, Thomas Johannes Hasiweder, Yuita Fujisawa, Yoshinori Okada, Takuya Iwasaki, Kenji Watanabe, Takashi Taniguchi, Nan Jiang, and Yasuhiro Niimi
Journal:: Physical Review B
Date Uploaded:: 19/04/2024

Inelastic neutron scattering studies on the eight-spin zigzag-chain compound <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>KCu</mml:mi><mml:mn>4</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">P</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>12</mml:mn></mml:msub></mml:mrow></mml:math>: Confirmation of the validity of a data-driven technique based on machine learning

Description/Abstract:: We performed inelastic neutron scattering (INS) experiments on KCu4P3O12 powder and compared the experimental results with those calculat...
Keyword:: Inelastic neutron scattering, data-driven technique based on machine learning, and eight-spin zigzag-chain compound KCu4P3O12
Resource Type:: Article
Author:: Masashi Hase, Ryo Tamura, Koji Hukushima, Shinichiro Asai, Takatsugu Masuda, Shinichi Itoh, and Andreas Dönni
Journal:: Physical Review B
Date Uploaded:: 18/04/2024

Anisotropic optical conductivity accompanied by a small energy gap in the one-dimensional thermoelectric telluride <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi mathvariant="normal">Ta</mml:mi><mml:mn>4</mml:mn></mml:msub><mml:msub><mml:mi>SiTe</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>

Description/Abstract:: We investigated the optical properties of single crystals of one-dimensional van der Waals crystal Ta4SiTe4, which exhibited high thermoe...
Keyword:: Optical Conductivity, one-dimensional, and van der Waals
Resource Type:: Article
Author:: Fumiya Matsunaga, Yoshihiko Okamoto, Yasunori Yokoyama, Kanji Takehana, Yasutaka Imanaka, Yuto Nakamura, Hideo Kishida, Shoya Kawano, Kazuyuki Matsuhira, and Koshi Takenaka
Journal:: Physical Review B
Date Uploaded:: 11/04/2024

Bias voltage effects on tunneling magnetoresistance in Fe/MgAl2O4/Fe(001) junctions: Comparative study with Fe/MgO/Fe(001) junctions

Description/Abstract:: スピネルバリアを用いた磁気トンネル接合Fe/MgAl2O4/Feの電圧特性を理論的に解析し、その結果をFe/MgO/Feの電圧特性と比較した。その結果、Fe/MgAl2O4/Feでは電極でのバンド折りたたみが起こるため、磁気抵抗比の電圧耐性がFe/MgO/Feよりも高くなる...
Keyword:: Magnetic tunnel junction, Spinel, Spintronics, and Tunnel magnetoresistance
Resource Type:: Article
Author:: Keisuke Masuda and Yoshio Miura
Journal:: Physical Review B
Date Uploaded:: 11/04/2024

First-principles study of the anisotropic magneto-Peltier effect

Description/Abstract:: We study theoretically the anisotropic magneto-Peltier effect, which was recently demonstrated experimen-tally. A first-principles-based ...
Keyword:: Peltier effect, Spin caloritronics, and Spintronics
Resource Type:: Article
Author:: Keisuke Masuda, Ken-ichi Uchida, Ryo Iguchi, and Yoshio Miura
Journal:: Physical Review B
Date Uploaded:: 11/04/2024

Giant interfacial perpendicular magnetic anisotropy in Fe/CuIn1−xGaxSe2 beyond Fe/MgO

Description/Abstract:: We study interfacial magnetocrystalline anisotropies in various Fe/semiconductor heterostructures by means of first-principles calculatio...
Keyword:: Magnetic anisotropy, Magnetic tunnel junction, and Spintronics
Resource Type:: Article
Author:: Keisuke Masuda, Shinya Kasai, Yoshio Miura, and Kazuhiro Hono
Journal:: Physical Review B
Date Uploaded:: 11/04/2024

Perpendicular magnetic anisotropy at the Fe/MgAl2O4 interface: Comparative first-principles study with Fe/MgO

Description/Abstract:: 磁気ヘテロ接合Fe/MgAl2O4の界面の磁気異方性について第一原理計算に基づいた解析を行った。垂直磁気異方性が得られることがわかり、その起源についても微視的な解析によって理解が得られた。また、より大きな垂直磁気異方性を得る手段として界面への重元素挿入の可能性についても検討した。
Keyword:: Magnetic anisotropy, Magnetic tunnel junction, and Spintronics
Resource Type:: Article
Author:: Keisuke Masuda and Yoshio Miura
Journal:: Physical Review B
Date Uploaded:: 11/04/2024

Transport evidence for twin-boundary pinning of superconducting vortices in FeSe

Description/Abstract:: We provide bulk transport evidence for twin-boundary pinning of vortices in FeSe. We measure interlayer resistance in FeSe in magnetic fi...
Keyword:: FeSe, iron-based superconductor, twin boundary, and vortex pinning
Resource Type:: Article
Author:: Taichi Terashima, Hideaki Fujii, Yoshitaka Matsushita, Shinya Uji, Yuji Matsuda, Takasada Shibauchi, and Shigeru Kasahara
Journal:: Physical Review B
Date Uploaded:: 31/01/2024
Date Modified:: 31/01/2024

Magnetism of the antiferromagnetic spin-1/2 tetramer compound CuInVO5

Description/Abstract:: We measured the temperature dependence of the magnetic susceptibility and specific heat and the magneticfield dependence of the magnetiza...
Keyword:: CuInVO5, antiferromagnetically ordered state, magnetism, magnetization, and spin- 1/2 tetramer
Resource Type:: Article
Author:: Matsuo, Akira , Kindo, Koichi , Hase, Masashi , and Matsumoto, Masashige
Journal:: Physical Review B
Date Uploaded:: 18/08/2020
Date Modified:: 24/08/2020

Bias voltage effects on tunneling magnetoresistance in Fe/MgAl2O4/Fe(001) junctions: Comparative study with Fe/MgO/Fe(001) junctions

First-principles study of the anisotropic magneto-Peltier effect

Giant interfacial perpendicular magnetic anisotropy in Fe/CuIn1−xGaxSe2 beyond Fe/MgO

Perpendicular magnetic anisotropy at the Fe/MgAl2O4 interface: Comparative first-principles study with Fe/MgO

Transport evidence for twin-boundary pinning of superconducting vortices in FeSe

Magnetism of the antiferromagnetic spin-1/2 tetramer compound CuInVO5

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