H. Takagi

Bunkyo University — Japan

Physics and Astronomy · Physical Sciences

30h-index9.3kcitations83works0.02yr avg
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Research Topics

Physics of Superconductivity and Magnetism(72), Advanced Condensed Matter Physics(47), Magnetic and transport properties of perovskites and related materials(22), Magnetic properties of thin films(15), Iron-based superconductors research(12)

Publications83 total

Impact of S substitution for Se on the photoinduced insulator-to-metal transition in an excitonic insulator Ta2NiSe5
Discover Physics·2026Open Access
Spin Density Modulation Near the Vortex Cores of Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$
Bulletin of the American Physical Society·2010
Spin Density Modulation Near the Vortex Cores of Bi 2 Sr 2 CaCu 2 O 8+δ
APS·2010
A universal high energy anomaly in angle resolved photoemission spectra of high temperature superconductors - possible evidence of spinon and holon branches
Tokyo Tech Research Repository (Tokyo Institute of Technology)·2006Open Access
Universal spectral weight transfer in high temperature superconductors
Bulletin of the American Physical Society·2006
Momentum-Structure of Remnant Mott-gap in Prototype Doped Cuprates
Bulletin of the American Physical Society·2005
Charge confinement on the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">CuO</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>planes in slightly overdoped<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">YBa</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Cu</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>7</mml:mn><mml:mi mathvariant="normal">−</mml:mi><mml:mi mathvariant="normal">δ</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>and the role of metallic chains
Physical review. B, Condensed matter·2000· 15 cited
The Critical Role of the Cuo Chains in Metallizing the C-axis in YBa2Cu3O7−δ
Journal of Low Temperature Physics·1999
Thermally induced insulator-metal transition in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">LaCoO</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mo>:</mml:mo></mml:math>  A view based on the Mott transition
Physical review. B, Condensed matter·1998· 193 cited
Magnetoresistance of CeNi_2Al_5 with a sine-modulated magnetic structure
Meeting abstracts of the Physical Society of Japan·1998
Search for magnetic order in undoped and doped spin‐gap systems by μSR
Hyperfine Interactions·1997· 4 cited
Muon Spin Relaxation and Magnetic Susceptibility Measurements in the Haldane System (Y<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi mathvariant="italic">x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>Ca<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mi mathvariant="italic">x</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>)Ba(Ni<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi mathvariant="italic">y</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>Mg<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow/><mml:mrow><mml:mi mathvariant="italic">y</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>)<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>5</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>
Physical Review Letters·1995· 77 cited
Charge Transport Properties of Strongly Correlated Metals near Charge Transfer Insulator to Metal Transition
Springer series in solid-state sciences·1995
Spin gap effect on anisotropic resistivities measured on untwinned YBa2Cu3O7−y
Physica C Superconductivity·1994· 6 cited
Tunneling spectroscopic measurements on boride carbide superconductors
Physica C Superconductivity·1994· 9 cited
Competition between magnetism and superconductivity in the new rare earth nickel boride carbides
Physica C Superconductivity·1994· 12 cited
Elementary physical properties and crystal structures of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">LaRh</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">B</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>C and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">LaIr</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">B</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>C
Physical review. B, Condensed matter·1994· 22 cited
Interplane charge transport in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">YBa</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Cu</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>7</mml:mn><mml:mi mathvariant="normal">−</mml:mi><mml:mi mathvariant="italic">y</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>: Spin-gap effect on in-plane and out-of-plane resistivity
Physical review. B, Condensed matter·1994· 258 cited
Announcement
European Surgical Research·1994Open Access
Superconductivity at 23 K in yttrium palladium boride carbide
Nature·1994· 587 cited
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Frequent Co-authors

S. Uchida(38), Y. Tokura(20), Hiroshi Eisaki(10), T. Ido(9), G. M. Luke(8), Shōji Tanaka(8), B. J. Sternlieb(7), J. H. Brewer(7), R. Kadono(7), Satoshi Uchida(7), T. Arima(7), S. Tajima(7), S. R. Kreitzman(6), T. M. Riseman(6), J. Gopalakrishnan(6), A.W. Sleight(6), M.A. Subramanian(6), R. F. Kiefl(5), Shoji Ishibashi(5), K. Kitazawa(5)