J. Shimoyama

Physics and Astronomy · Physical Sciences

36h-index6.0kcitations195works3.02yr avg
OpenAlex↗Google Scholar↗

Accepting Students?

No reports yet. Know if this professor is taking students?

Research Topics

Physics of Superconductivity and Magnetism(170), Advanced Condensed Matter Physics(56), Magnetic and transport properties of perovskites and related materials(42), Magnetic properties of thin films(41), Superconductivity in MgB2 and Alloys(40)

Publications195 total

Former Councilor of the Cryogenic Association of Japan, Prof. Kaoru YAMAFUJI
TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)·2025Open Access
Mechanical properties of Ag-added DyBa2Cu3O superconducting melt-textured bulks prepared by the single-direction melt growth method
Materials Today Communications·2024· 6 cited
Angular dependence of resistance and critical current of a Bi-2223 superconducting joint
Superconductor Science and Technology·2023· 8 citedOpen Access
Superconducting joints for the 1.3 GHz persistent NMR magnet under JST-Mirai Program
Superconductor Science and Technology·2023· 2 citedOpen Access
Breakthrough in the reduction of oxygen-annealing time for REBCO melt-textured bulks under an oxygen atmosphere containing water vapor
Superconductor Science and Technology·2020· 12 cited
Novel normal-state low field microwave absorption in SmFeAsO1−xFx iron pnictide superconductors
Solid State Communications·2019· 2 cited
Synthesis of thick YBCO films up to 3.0 <i>μ</i> m on metallic substrates by a fluorine-free metal organic decomposition method
Superconductor Science and Technology·2019· 6 cited
Effects of post-growth heat treatment on electronic phase diagrams and critical current densities of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Ba</mml:mi><mml:msub><mml:mrow><mml:mo>(</mml:mo><mml:mrow><mml:mi mathvariant="normal">F</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:mi mathvariant="normal">C</mml:mi><mml:msub><mml:mi mathvariant="normal">o</mml:mi><mml:mi>x</mml:mi></mml:msub></mml:mrow><mml:mo>)</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:mi mathvariant="normal">A</mml:mi><mml:msub><mml:mi mathvariant="normal">s</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>BaF</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mo>(</mml:mo><mml:mrow><mml:mi mathvariant="normal">A</mml:mi><mml:msub><mml:mi mathvariant="normal">s</mml:mi><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi mathvariant="normal">P</mml:mi><mml:mi>x</mml:mi></mml:msub></mml:mrow><mml:mo>)</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math> single crystals
Physical review. B./Physical review. B·2018· 5 cited
Development of high <i>J</i> <sub>c</sub> Bi2223/Ag thick film materials prepared by heat treatment under low <i>P</i> <sub>O2</sub>
Superconductor Science and Technology·2018· 15 cited
Non-Resonant Microwave Absorption in SmFeAsO 0.80 F 0.20: Line Shape and Structure Evolution with Temperature
Journal of Superconductivity and Novel Magnetism·2017· 1 cited
Temperature Dependence Low-Field Microwave Absorption in a Powder Sample of SmFeAs(O,F) Iron Pnictide Superconductor
Journal of Superconductivity and Novel Magnetism·2016· 2 cited
Anomalous non-resonant microwave absorption in SmFeAs(O,F) polycrystalline sample
Physica C Superconductivity·2016· 3 cited
Research Update: Structural and transport properties of (Ca,La)FeAs2 single crystal
APL Materials·2016· 5 citedOpen Access
Growth of (Y<sub>1−<i>x</i></sub>Ca<i><sub>x</sub></i>)Ba<sub>2</sub>Cu<sub>4</sub>O<sub>8</sub>in ambient pressure and its tri-axial magnetic alignment
Superconductor Science and Technology·2015· 5 cited
Observation of a Structure and Line Shape Evolution of Non-resonant Microwave Absorption in a SmFeAs(O, F) Polycrystalline Iron Pnictide Superconductor
Journal of Superconductivity and Novel Magnetism·2015· 6 cited
Dependences on RE of superconducting properties of transition metal co-doped (Ca,RE)FeAs2 with RE= La–Gd
Physica C Superconductivity·2015· 8 citedOpen Access
Electronic structure of (Ca0.85La0.15)FeAs2
Applied Physics Letters·2015· 16 cited
Systematic change of flux pinning in (Dy,RE)123 and (Y,RE)123 melt-solidified bulks with unit cell orthorhombicity
Superconductor Science and Technology·2014· 11 cited
Effects of post-annealing and cobalt co-doping on superconducting properties of (Ca,Pr)Fe2As2 single crystals
Physica C Superconductivity·2014· 9 citedOpen Access
Influences of material processing on the microstructure and inter-granular current properties of polycrystalline bulk Ba(Fe,Co)2As2
Physica C Superconductivity·2014· 10 cited
page 1 of 10Next →

Frequent Co-authors

K. Kishio(41), K. Kitazawa(11), Zhi‐Xun Shen(7), Masashi Kikuchi(7), S. Kobayashi(7), Kazuhiko Hayashi(7), Hitoshi Kitaguchi(7), D. L. Feng(6), Hiroshi Eisaki(6), Shigeru Horii(6), N. Ayai(6), S. Yamade(6), J. Fujikami(6), Hiroaki Kumakura(6), K. Yamazaki(5), K. Sato(5), Akiyasu Yamamoto(5), Alessandra Lanzara(4), P. V. Bogdanov(4), Dong-Hui Lu(4)