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Dive into the research topics where T. Okada is active.

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Featured researches published by T. Okada.


Physical Review B | 2016

Pressure dependence of the magnetic ground states in MnP

Masaaki Matsuda; Feng Ye; Sachith Dissanayake; J.-G. Cheng; Songxue Chi; Jie Ma; Haidong Zhou; Jia Qiang Yan; S. Kasamatsu; O. Sugino; Takeo Kato; Kazuyuki Matsubayashi; T. Okada; Yoshiya Uwatoko

MnP, a superconductor under pressure, exhibits a ferromagnetic order below


Physical Review B | 2012

Investigation of the superconducting gap structure in SrFe2(As0.7P0.3)2by magnetic penetration depth and flux flow resistivity analysis

Hideyuki Takahashi; T. Okada; Yoshinori Imai; Kentaro Kitagawa; Kazuyuki Matsubayashi; Yoshiya Uwatoko; Atsutaka Maeda

{T}_{\mathrm{C}}\ensuremath{\sim}290


Physical Review B | 2015

Exceptional suppression of flux-flow resistivity in FeSe 0.4 Te 0.6 by back-flow from excess Fe atoms and Se / Te substitutions

T. Okada; Fuyuki Nabeshima; Hideyuki Takahashi; Yoshinori Imai; Atsutaka Maeda

K followed by a helical order with the spins lying in the


Physical Review B | 2016

Competition of superconductivity with the structural transition in Mo3Sb7

G. Z. Ye; J.-G. Cheng; Jiaqiang Yan; J. P. Sun; Kazuyuki Matsubayashi; Touru Yamauchi; T. Okada; Q. Zhou; David S. Parker; Brian C. Sales; Yoshiya Uwatoko

ab


Applied Surface Science | 2014

Synthesis, characterization, Hall effect and THz conductivity of epitaxial thin films of Fe chalcogenide superconductors

Atsutaka Maeda; Fuyuki Nabeshima; Hiroyuki Takahashi; T. Okada; Yoshinori Imai; Ichiro Tsukada; Masafumi Hanawa; Seiki Komiya; Ataru Ichinose

plane and the helical rotation propagating along the


Physica C-superconductivity and Its Applications | 2013

Magnetic penetration depth and flux-flow resistivity measurements on NaFe0.97Co0.03As single crystals

T. Okada; Hiroki Takahashi; Yoshinori Imai; Kentaro Kitagawa; Kazuyuki Matsubayashi; Yoshiya Uwatoko; Atsutaka Maeda

c


Physica C-superconductivity and Its Applications | 2013

Low energy excitations inside the vortex core of LiFe(As, P) single crystals investigated by microwave-surface impedance

T. Okada; Hiroki Takahashi; Yoshinori Imai; Kentaro Kitagawa; Kazuyuki Matsubayashi; Yoshiya Uwatoko; Atsutaka Maeda

axis below


Physica C-superconductivity and Its Applications | 2011

Microwave surface impedance measurements of LiFeAs, LiFe(As,P) and FeSe1−xTex single crystals

Yoshinori Imai; Hiroki Takahashi; T. Okada; T. Yoshinaka; Seiki Komiya; Kentaro Kitagawa; Kazuyuki Matsubayashi; Ichiro Tsukada; Yoshiya Uwatoko; A. Maeda

{T}_{\mathrm{s}}\ensuremath{\sim}50


Physical Review B | 2016

Anomalous bulk modulus in vanadate spinels

Zongyao Li; X. Li; J.-G. Cheng; Luke G. Marshall; Xiaoqin Li; A. M. dos Santos; Wenge Yang; Junjie Wu; Jung-Fu Lin; Graeme Henkelman; T. Okada; Yoshiya Uwatoko; Huibo Cao; Haidong Zhou; John B. Goodenough; J.-S. Zhou

K at ambient pressure. We performed single-crystal neutron diffraction experiments to determine the magnetic ground states under pressure. Both


The Japan Society of Applied Physics | 2018

Flux Pinning Properties at High Field and Low Temperature in SmBa 2 Cu 3 O y Superconducting Bicrystalline Films

Yuji Tsuchiya; Junya Akita; Yusuke Ichino; T. Okada; Satoshi Awaji; Yutaka Yoshida

{T}_{\mathrm{C}}

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J.-G. Cheng

University of Texas at Austin

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Haidong Zhou

University of Tennessee

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