YAMASHIRO Masashi

Department of Liberal Arts and Basic SciencesProfessor

Research Keyword

  • 古典MD、数値シミュレーション、プラズマプロセス、
  • 数値シミュレーション
  • 超伝導接合系
  • 強相関電子系

Field Of Study

  • Natural sciences, Semiconductors, optical and atomic physics, 原子・分子・量子エレクトロニクス・プラズマ
  • Natural sciences, Magnetism, superconductivity, and strongly correlated systems, Physical Properties II

Career

  • Apr. 2019 - Present
    日本大学, 生産工学部, 教授
  • Apr. 2011 - Mar. 2019
    日本大学, 生産工学部, 准教授
  • Apr. 2008 - Mar. 2011
    日本大学, 生産工学部, 助教
  • May 2007 - Mar. 2008
    自然科学研究機構核融合科学研究所, 研究員
  • Apr. 2004 - Apr. 2007
    大阪大学, 大学院工学研究科, 特任研究員
  • Apr. 2001 - Mar. 2004
    琉球大学, 大学教育センター, 非常勤講師

Educational Background

  • 1999
    新潟大学, 自然科学研究科, エネルギー基礎科学専攻

Paper

  • Numerical Simulation Study of Surface reactions on the Organic Polymer Etching by Hydrogen-Nitrogen Ion Beam Injections
    Masashi Yamashiro
    JOURNAL OF THE COLLEGE OF INDUSTRIAL TECHNOLOGY NIHON UNIVERSITY, Dec. 2018, Refereed, Not invited
    Lead
  • Alteration of tunneling mechanism due to ferromagnetic insulator on Andreev spectroscopy for ferromagnet/superconductor junctions
    Masashi Yamashiro and Nobukatsu Yoshida
    Journal of Physics Communications, Jan. 2018, Refereed, Not invited
    Lead
  • Ferromagnetic features of zero-bias conductance peaks in a ferromagnet/insulator/superconductor junction
    Nobukatsu Yoshida; Masashi Yamashiro
    JOURNAL OF PHYSICS-CONDENSED MATTER, Sep. 2012, Refereed, Not invited
  • Destructions of Layered Structure of Graphite by First-principle Calculations
    Masashi Yamashiro and Motohiko Tanaka
    Annual Report of National Institute for Fusion Science April2008-March2009, Oct. 2009, Not refereed, Not invited
    Lead
  • Generation of Dust Seeds by Sputtering of Carbon-based Plasma Facing Materials under Low-energy H/D/T Ion Bombardment
    山城昌志、浜口智志
    Proceedings of the 22nd IAEA Fusion Energy Conference, Mar. 2009, Refereed, Not invited
    Lead
  • Molecular Dynamics Simulation on Plasma Surface Interaction-from Industrial Plasma Processing to Fusion Applications
    Masashi Yamashiro; Ayuta Suzuki; Michiro Isobe; Satoshi Hamaguchi
    Book of Contributed Papers: 17th Symposium on Application of Plasma Processes (SAPP) and Visegrad Workshop on Research of Plasma Physics, Jan. 2009, Not refereed, Not invited
    Lead
  • First-principle calculations for destructions of graphite by hydrogen adsorption
    Masashi Yamashiro and Motohiko Tanaka
    Annual Report of National Institute for Fusion Science April2007-March2008, Oct. 2008, Not refereed, Not invited
    Lead
  • Numerical Study of Microwave Heating of Micrometer Size Metal Particles
    鈴木基晴、イグナテンコ・マキシム、山城昌志、田中基彦、佐藤元泰
    ISIJ International, May 2008, Refereed, Not invited
  • Molecular dynamics simulations for nitridation of organic polymer surfaces due to hydrogen-nitrogen ion beam injections
    山城昌志、山田英明、浜口智志
    Thin Solid Films, Apr. 2008, Refereed, Not invited
    Lead
  • Modelling of plasma surface interaction
    浜口智志、山城昌志、山田英明
    Journal of Physics: Conference Series, Nov. 2007, Refereed, Not invited
  • Atomic-level simulation of non-equilibrium surface chemical reactions under plasma-wall interaction
    浜口智志、山城昌志、山田英明
    Computer Physics Communications, Jul. 2007, Refereed, Not invited
  • Molecular dynamics simulations of organic polymer dry etching at high substrate temperatures
    山城昌志、山田英明、浜口智志
    Japanese Journal of Applied Physics, Apr. 2007, Refereed, Not invited
    Lead
  • Molecular dynamics simulation study on substrate temperature dependence of sputtering yields for an organic polymer under ion bombardment
    山城昌志、山田英明、浜口智志
    Journal of Applied Physics, Feb. 2007, Refereed, Not invited
    Lead
  • Theory of Superconductivity on the Attractive Hubbard Model in the Strong Coupling Limit
    Masashi Yamashiro; Eijiro Sakai; and Balazs L. Gyoffy
    Bulletin of the College of Science. University of the Ryukyus, Sep. 2002, Not refereed, Not invited
    Lead
  • Theory of tunneling effect in ferromagnetic metal / insulator / triplet superconductor junction
    吉田亘克、田仲由喜夫、山城昌志、柏谷 聡
    Advances in Superconductivity, Aug. 1999, Refereed, Not invited
  • Tunneling conductance and spatial dependence of pair potentials in normal metal-triplet superconductor junction
    山城昌志、田仲由喜夫、吉田亘克、柏谷 聡
    Journal of the Physical Society of Japan, Jun. 1999, Refereed, Not invited
    Lead
  • Theory of Josephson effect in Pb / Sr2RuO4 / Pb junction
    山城昌志、田仲由喜夫、柏谷 聡
    Physics C, May 1999, Refereed, Not invited
    Lead
  • Theory of the d.c. Josephson effect in s-wave/p-wave/s-wave superconducting junction
    山城昌志、田仲由喜夫、柏谷 聡
    Journal of the Physical Society of Japan, Oct. 1998, Refereed, Not invited
    Lead
  • Tunneling conductance of a normal metal/insulator/Sr2RuO4 junction
    M Yamashiro; Y Tanaka; S Kashiwaya
    JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, Oct. 1998, Refereed, Not invited
  • Theory of tunneling conductance for normal-metal / insulator / triplet superconductor junction
    山城昌志、田仲由喜夫、田沼慶忠、柏谷 聡
    Journal of the Physical Society of Japan, Sep. 1998, Refereed, Not invited
    Lead
  • Theoretical study of the Josephson current through a junction including ferromagnetic insulator
    山城昌志、吉田亘克、田仲由喜夫、柏谷 聡
    Advances in Superconductivity, Jun. 1998, Refereed, Not invited
    Lead
  • Local density of states in dx2-y2-wave superconductors around rough surface
    田沼慶忠、田仲由喜夫、山城昌志、柏谷 聡
    Physical Review B, Apr. 1998, Refereed, Not invited
  • Local density of states on rough surfaces of d(x(2)-y(2))-wave superconductors
    Y Tanuma; Y Tanaka; M Yamashiro; S Kashiwaya
    PHYSICAL REVIEW B, Apr. 1998, Refereed, Not invited
  • Theory of tunneling spectroscopy in superconducting Sr2RuO4
    山城昌志、田仲由喜夫、柏谷 聡
    Physical Review B, Oct. 1997, Refereed, Not invited
    Lead
  • Theory of local density of states in d-wave superconductors around rough surfaces
    田沼慶忠、田仲由喜夫、山城昌志、柏谷 聡
    Physica C, Oct. 1997, Refereed, Not invited
  • Theory of tunneling conductance for normal-metal / insulator / triplet superconductor junction
    山城昌志、田仲由喜夫、田沼慶忠、柏谷 聡
    Physica C, Oct. 1997, Refereed, Not invited
    Lead
  • Theory of local density of states in d-wave superconductors with rough surface
    田沼慶忠、田仲由喜夫、山城昌志、柏谷 聡
    Advances in Superconductivity, Sep. 1997, Refereed, Not invited
  • Effects of atomic-scale roughness at the surface of d(x(2)-y(2))-wave superconductor
    Y Tanuma; Y Tanaka; M Yamashiro; S Kashiwaya
    PHYSICA C, Aug. 1997, Refereed, Not invited

Lectures, oral presentations, etc.

  • Symmetries and invariance properties in quantum tunneling effect
    Masashi Yamashiro; Satoshi OKano
    日本大学生産工学部第56回学術講演会, Dec. 2023, Not invited
  • Theoretical study of the superconducting state of Sr2RuO4
    Yamashiro Masashi and Nobukatsu Yoshida
    日本大学生産工学部第54回学術講演会, Dec. 2021
  • Theory of the Spin-filtering Effect in Ferromagnet/Superconductor Junctions
    Nobukatsu Yoshida and Masashi Yamashiro
    日本物理学会第73回年次大会, Mar. 2018, Not invited
  • Theory of differential conductance for spin current at metalic ferromagnet - superconductor junctions
    Yamashiro Masashi and Nobukatsu Yoshida
    日本大学生産工学部第48回学術講演会, Dec. 2015, Not invited
  • Theory of differential conductance at itinerant electron ferromagnet - superconductor junction
    Yamashiro Masashi and Nobukatsu Yoshida
    日本大学生産工学部第45回学術講演会, Dec. 2012, Not invited
  • Theory of Transport Phenomena in Superconductor/Ferromagnet Junctions
    Yoshida Nobukatsu and Masashi Yamashiro
    日本大学生産工学部第44回学術講演会, Dec. 2011, Not invited
  • Quasi classical approximation for many-electron systems
    Yamashiro Masashi and Nobukatsu Yoshida
    日本大学生産工学部第44回学術講演会, Dec. 2011, Not invited
  • Density of States and Tunneling Current in Superconducting Junctions
    Yoshida Nobukatsu and Masashi Yamashiro
    日本大学生産工学部第43回学術講演会, Dec. 2010, Not invited
  • Theoretical study of symmetries of electronic pairs and tunneling effect in superconducting junction
    Yamashiro Masashi and Nobukatsu Yoshida
    日本大学生産工学部第43回学術講演会, Dec. 2010, Not invited
  • MOLECULAR DYNAMICS SIMULATION STUDY ON SPUTTERING OF GRAPHITE OR AMORPHOUS CARBON BY LOW-ENERGY HYDROGEN OR ITS ISOTOPE ION BEAMS
    Masashi Yamashiro and Satoshi Hamaguchi
    37th IEEE International Conference on Plasma Science (ICOPS), Norfolk, VA, USA, June 20-24, 2010, Jun. 2010
  • MOLECULAR DYNAMICS SIMULATION STUDY ON SPUTTERING OF GRAPHITE OR AMORPHOUSCARBON BY LOW-ENERGY HYDROGEN OR ITS ISOTOPE ION BEAMS
    Masashi Yamashiro; Satoshi Hamaguchi
    37th IEEE International Conference on Plasma Science (ICOPS), Norfolk, VA, USA, June 20-24, 2010, Jun. 2010, Not invited
  • MDシミュレーションによるプラズマ対向炭素材料のエッチング特性 グラファイト、アモルファスカーボン基板へのH,D,T入射
    山城昌志、浜口智志
    第42回日本大学生産工学部学術講演会, Dec. 2009
  • MDシミュレーションによるプラズマ対向炭素材料のエッチング特性グラファイト、アモルファスカーボン基板へのH,D,T入射
    山城昌志; 浜口智志
    第42回日本大学生産工学部学術講演会, Dec. 2009, Not invited
  • 超伝導接合系における近接効果の理論的研究
    吉田亘克、山城昌志
    第42回日本大学生産工学部学術講演会, Dec. 2009, Not invited
  • Molecular Dynamics Simulation on Plasma Surface Interaction ― from Industrial Plasma Processing to Fusion Applications
    浜口智志、山城昌志、鈴木歩太、礒部倫郎
    The 17th Symposium on Application of Plasma Processes, Jan. 2009, Not invited
  • 有機高分子膜エッチングの分子動力学シミュレーション
    山城昌志、山田英明、浜口智志
    第41回日本大学生産工学部学術講演会, Dec. 2008, Not invited
  • プラズマ表面相互作用研究の最近の動向:プロセスから核融合まで
    浜口智志、山城昌志、鈴木歩太、礒部倫 郎、唐橋一浩
    プラズマ・核融合学会 九州・沖縄・山口支部 第12回支部 大会, Dec. 2008, Not invited
  • Sputtering characteristics of carbon-based materials exposed to H/D/T plasmas ; molecular dynamics simulation study
    浜口智志、山城昌志
    50th Annual Meeting of the Division of Plasma Physics, American Physical Society, Nov. 2008, Not invited
  • 有機高分子膜エッチングにおけるCN膜形成のMDシミュレーションIII
    山城昌志、山田英明、浜口智志
    第54回応用物理学関係連合講演会, Mar. 2007, Not invited
  • MDシミュレーションによる有機高分子膜エッチング特性の数値解析
    山城昌志、山田英明、浜口智志
    第24回プラズマプロセシング研究会(SPP24), Jan. 2007, Not invited
  • 有機高分子膜エッチングにおけるCN膜形成のMDシミュレーションII
    山城昌志、山田英明、浜口智志
    第67 回応用物理学会学術講演会, Aug. 2006, Not invited
  • 有機高分子膜エッチングにおけるCN膜形成のMDシミュレーション
    山城昌志、山田英明、浜口智志
    第53回応用物理学関係連合講演会, Mar. 2006, Not invited
  • 異なる温度の有機高分子基板-CH4ビーム間相互作用のMDシミュレーション
    山城昌志、山田英明、浜口智志
    第66回応用物理学会学術講演会, Sep. 2005, Not invited

Affiliated academic society

  • 日本物理学会

Research Themes

  • Theory and Molecular Dynamics Study of Mechanisms of Microwave Heating of Magnetic and Dielectric Materials
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, 2006 - 2010
    TANAKA Motohiko; KONO Hirohiko; SATO Manabu; MARUYAMA Koji; ZEMPO Yasunari; IGNATENKO Maxim; YAMASHIRO Masashi; SATO Motoyasu; LOUZGUINE Dmitri; XIE Guoqiang; SUZUKI Motoharu