Search Results 1-20 of 6781

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Evaluation of inhomogeneous magnetic anisotropy by Local Ferromagnetic Resonance with Laser [in Japanese]

齊藤悠一

東北大学電通談話会記録 89(2), 22-23, 2021-03-04

IR
2

Approaching barrier-free contacts to monolayer MoS2 employing [Co/Pt] multilayer electrodes

Gupta S. , Rortais F. , Ohshima R. , Ando Y. , Endo T. , Miyata Y. , Shiraishi M.

… However, the realization of efficient spin-valley-controlled devices demands the integration of perpendicular magnetic anisotropy (PMA) electrodes with negligible Schottky barriers. …

NPG Asia Materials (13), 2021-02-05

IR
3

Pressure control of the magnetic anisotropy of the quasi-two-dimensional van der Waals ferromagnet Cr2Ge2Te6

Sakurai T. , Rubrecht B. , Corredor L. T. , Takehara R. , Yasutani M. , Zeisner J. , Alfonsov A. , Selter S. , Aswartham S. , Wolter A. U. B. , Büchner B. , Ohta H. , Kataev V

… The static magnetic data at hydrostatic pressures up to 3.4 GPa reveal a gradual suppression of ferromagnetism in terms of a reduction of the critical transition temperature, a broadening of the transition width, and an increase of the field necessary to fully saturate the magnetization Ms. The value of Ms≃3μB/Cr remains constant within the error bars up to a pressure of 2.8 GPa. …

Physical Review B 103(2), 024404, 2021-01-05

IR
4

Pitfalls of Commonly Used Ischemic and Dementia Models Due to Early Seizure by Carotid Ligation

HIRANO Tsukasa , MIKAMI Takeshi , YAMADA Shoto , NAGAHAMA Hiroshi , ENATSU Rei , OOKAWA Satoshi , AKIYAMA Yukinori , MIKUNI Nobuhiro

… Magnetic resonance imaging (MRI) was performed 6 h after bilateral CCA ligation to assess fractional anisotropy (FA), apparent diffusion coefficient (ADC), and cerebral blood flow (CBF) values. … Magnetic resonance spectroscopy (MRS) was also performed and the ischemic parameters and electrophysiological changes were compared. …

Neurologia medico-chirurgica, 2021

J-STAGE
5

Mechanical Properties of Cementite [in Japanese]

Umemoto Minoru , Ohtsuka Hideyuki

… The mechanical properties of interest are 1) sound velocity, 2) elastic constants, 3) hardness, 4) plastic deformation mechanism, 5) wear, 6) fracture toughness, and 7) crystal orientation anisotropy. … The effect of temperature, magnetic transition and alloying element on sound velocity, elastic constants and hardness were reviewed. …

Tetsu-to-Hagane 107(4), 269-289, 2021

J-STAGE
6

Measurement of Anisotropic Electron Velocity Distribution Function in LHD by Polarization Spectroscopy

GOTO Motoshi , RAMAIYA Nilam , OISHI Tetsutarou , KAWAMOTO Yasuko , KAWATE Tomoko

… With the help of an atomic model simulation, the anisotropy in the electron velocity distribution function (EVDF) in terms of T∥/T⊥ is evaluated, where T∥ and T⊥ represent the electron temperature in the parallel and perpendicular directions regarding the magnetic field, respectively. …

Plasma and Fusion Research 16(0), 2402029-2402029, 2021

J-STAGE
7

Microstructure, Morphology and Magnetic Property of (001)-Textured MnAlGe Films on Si/SiO2 Substrate

Umetsu Rie Y. , Semboshi Satoshi , Mitsui Yoshifuru , Katsui Hirokazu , Nozaki Yoshito , Yuitoo Isamu , Takeuchi Teruaki , Saito Mikiko , Kawarada Hiroshi

… Substrate heating effects on the microstructure and magnetic properties of MnAlGe films grown on Si/SiO2 … The film of c-axis orientation associated with the Cu2Sb-type structure was obtained by sputtering at a substrate heating temperature of 270°C and it exhibited perpendicular magnetic anisotropy. …

MATERIALS TRANSACTIONS, 2021

J-STAGE
8

Diffusion Tensor Imaging Can Discriminate the Primary Cell Type of Intracranial Metastases for Patients with Lung Cancer

Bilgin Sabriye Sennur , Alkan Alpay , Bilgin Mehmet , Gultekin Mehmet Ali , Yurtsever Ismail , Yilmaz Temel Fatih , Cesme Dilek Hacer , Bilgin Melike , Topcu Atakan , Besiroglu Mehmet , Turk Haci Mehmet

… Apparent diffusion coefficient (ADC) and Fractional anisotropy (FA) values were calculated from solid enhanced part of the brain metastases. …

Magnetic Resonance in Medical Sciences, 2021

J-STAGE
9

Anomalous Nernst and Seebeck Effects in NiCo2O4 Films

Koizumi H. , Hidaka A. , Komine T. , Yanagihara H.

 We investigated both the Seebeck and anomalous Nernst effects in NiCo2O4(001) epitaxial films with a preferential magnetization direction norma …

Journal of the Magnetics Society of Japan 45(2), 37-40, 2021

J-STAGE
10

Challenges Toward Development of Rear-earth Free FeCo Based Permanent Magnet [in Japanese]

Hasegawa Takashi

… Among the various permanent magnets reported to date, FeNdB exhibits the highest magnetic performance, but reducing the use of the rare-earth elements is necessary to avoid exhaustion of rare-earth elements. … FeCo has a very large magnetization, but has a very small coercivity caused by the extremely small magnetic anisotropy due to the cubic crystal structure, so that FeCo has long been unsuitable for permanent magnets. …

IEEJ Transactions on Fundamentals and Materials 141(2), 105-111, 2021

J-STAGE
11

Triangular Expanded Hemiporphyrazines: Electronic Structures and Nanoscale Characterization of Their Adlayers on Au(111)

Bacilla Ana C. C. , Okada Yusuke , Yoshimoto Soichiro , Islyaikin Mikhail K. , Koifman Oskar I. , Kobayashi Nagao

… The electronic structure was examined by electronic absorption and magnetic circular dichroism (MCD) spectroscopies and interpreted in conjunction with molecular orbital (MO) calculations. … In addition, calculations of the anisotropy of the induced current density (ACID) and nucleus-independent chemical shift (NICS) were performed. …

Bulletin of the Chemical Society of Japan 94(1), 34-43, 2021

J-STAGE
12

An overview of fractional anisotropy as a reliable quantitative measurement for the corticospinal tract (CST) integrity in correlation with a Fugl-Meyer assessment in stroke rehabilitation

Zolkefley Mohd Khairul Izamil , Firwana Younis M. S. , Hatta Hasnettty Zuria Mohamed , Rowbin Christina , Nassir Che Mohd Nasril Che Mohd , Hanafi Muhammad Hafiz , Abdullah Mohd Shafie , Mustapha Muzaimi

… This review aims to give an overview of how various variables of Magnetic Resonance-Diffusion Tensor Imaging (MR-DTI) metrics of fractional anisotropy (FA) can be used as a reliable quantitative measurement and indicator of corticospinal tract (CST) changes, particularly in relation to functional motor outcome correlation with a Fugl-Meyer assessment in stroke rehabilitation. …

Journal of Physical Therapy Science 33(1), 75-83, 2021

J-STAGE
13

Low Current Driven Vertical Domain Wall Motion Memory with an Artificial Ferromagnet

Hung Y. M. , Li T. , Hisatomi R. , Shiota Y. , Moriyama T. , Ono T.

… and the magnetic anisotropy of the weak coupling layers, DW width and position can be easily controlled. …

Journal of the Magnetics Society of Japan 45(1), 6-11, 2021

J-STAGE
14

Bond Directional Anapole Order in a Spin-Orbit Coupled Mott Insulator Sr2(Ir1−xRhx)O4

Murayama H. , Ishida K. , Kurihara R. , Ono T. , Sato Y. , Kasahara Y. , Watanabe H. , Yanase Y. , Cao G. , Mizukami Y. , Shibauchi T. , Matsuda Y. , Kasahara S.

… Here, we investigate the hidden-order phase through the combined measurements of the in-plane magnetic anisotropy with exceptionally high-precision magnetic torque and the nematic susceptibility with elastoresistance. … A distinct twofold in-plane magnetic anisotropy along the [110] Ir-O-Ir bond direction sets in below about TΩ, providing thermodynamic evidence for a nematic phase transition with broken C4 rotational symmetry. …

Physical Review X 11(1), 2021

IR
15

Soft Magnetic Properties and Microstructure of Fe-Si-Al Nano-crystalline Alloys [in Japanese]

松岡孝 , 神山望 , 尾藤輝夫

電気学会研究会資料. MAG = The papers of technical meeting on magnetics, IEE Japan 2020(108-115), 1-6, 2020-12-08
16

Spin-fluctuation-driven B[1g] and B[2g] Bond Order and Induced In-plane Anisotropy in Magnetic Susceptibility in Cuprate Superconductors : Impact of Hot-/Cold-spot Structure on Bond-order Symmetry

Kawaguchi Kouki , Onari Seiichiro , Kontani Hiroshi

Journal of the Physical Society of Japan 89(12), 124704-1-9, 2020-12

DOI
17

Influence of deposition rate on magnetic properties of inverse-spinel NiCo2O4epitaxial thin films grown by pulsed laser deposition

Kan Daisuke , Suzuki Ikumi , Shimakawa Yuichi

… We investigated the influence of the deposition rate on structural and magnetic properties of inverse-spinel ferrimagnet NiCo₂O₄ epitaxial films grown by pulsed laser deposition. … While films' lattice constants are insensitive to the deposition rate, saturation magnetization, and perpendicular magnetic anisotropy for the film grown with a high deposition rate are reduced. …

Japanese Journal of Applied Physics 59(11), 2020-11-01

IR
18

Development of Helical Myofiber Tracts in the Human Fetal Heart: Analysis of Myocardial Fiber Formation in the Left Ventricle From the Late Human Embryonic Period Using Diffusion Tensor Magnetic Resonance Imaging

Nishitani Saori , Torii Narisa , Imai Hirohiko , Haraguchi Ryo , Yamada Shigehito , Takakuwa Tetsuya

… 2020-10-09.Background: Detection of the fiber orientation pattern of the myocardium using diffusion tensor magnetic resonance imaging lags ≈12 weeks of gestational age (WGA) behind fetal myocardial remodeling with invasion by the developing coronary vasculature (8 WGA). … We aimed to use diffusion tensor magnetic resonance imaging tractography to characterize the evolution of fiber architecture in the developing human heart from the later embryonic period. …

Journal of the American Heart Association 9(19), 2020-10-06

IR
19

Co₂FeSi/MgO二層構造における垂直磁気異方性の評価 [in Japanese]

松下瑛介 , 高村陽太 , スタットラー嘉也 , 中川茂樹

映像情報メディア学会技術報告 = ITE technical report 44(25), 17-20, 2020-10
20

A Study of the Switched Reluctance Motor using Grain-Oriented Electrical Steel Sheets [in Japanese]

土屋柚樹 , 赤津観

電気学会研究会資料. MD 2020(102-106・108-146・148-155), 75-79, 2020-09-01

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