機能性物質研究室 本文へジャンプ

List of Publications (2000-)

(60) Y. Okamoto, R. Matsumoto, T. Yagihara, C. Iwai, K. Miyoshi, J. Takeuchi, K. Horiba, M. Kobayashi, K. Ono, H. Kumigashira, N. L. Saini, and T. Mizokawa, Electronic structure and polar catastrophe at the surface of LixCoO2 studied by angle-resolved photoemission spectroscopy,
Phys. Rev. B 96 (2017) 125147.


(59) K. Miyoshi, K. Otsuka, A. Shiota, S. Shimojo, G. Motoyama, K. Fujiwara, H. Kitagawa
and S. Nishogori,
Pressure induced superconductivity in very lightly doped LaFeAsO1-xFx,
Physica B (2017), in press.

(58) K. Miyoshi, K. Otsuka, S. Ogawa and J. Takeuchi, Magnetic measurements of superconducting LiFeAs single crystals under high pressure, Physica B (2017), in press.

(57)  
G. Motoyama, M. Sezaki, J. Gouchi, K. Miyoshi, S. Nishigori, T. Mutou, K. Fujiwara, Y. Uwatoko, Magneticproperties of new antiferromagnetic heavy-fermion compounds, Ce3TiBi5 and CeTi3Bi4,
Physica B (2017), in press.


(56) L Simonelli, E Paris, C Iwai, K Miyoshi, J Takeuchi, T Mizokawa and N L Saini,
High resolution x-ray absorption and emission spectroscopy of LixCoO2 single crystals
as a function delithiation, J. Phys.:Condens. Matter 29 (2017) 105702.


(55) K. Miyoshi, M. Kondo, K. Morishita, and J. Takeuchi, Magnetic Measurements of Superconducting
KxFe2-ySe2 Single Crystals under High Pressure, Physics Procedia 75 (2015) 272-277.

(54) K. Miyoshi, M. Kondo, K. Morishita, E. Mutou, and J. Takeuchi, Superconductivity under Pressure in FeSe1-xTex Studied by DC Magnetic Measurements, Physics Procedia 75 (2015) 266-271.

(53) K. Miyoshi, K. Manami, J. Takeuchi, R. Sasai, and S. Nishigori, Enhanced Electrical Resistivity in Layered Oxide LixCoO2, Physics Procedia 75 (2015) 278-283.

(52) G. Motoyama, S. Ogawa, K. Matsubayashi, K. Fujiwara, K. MIyoshi, S. Nishigori, T. Mutou, A. Yamaguchi, A. Sumiyama, Y. Uwatoko, Point-Contact Spectroscopy of Heavy Fermion Compounds
CeCu6 and CeAl3 in Mangetic Field, Physics Procedia 75 (2015) 296-302.

(51) K. Miyoshi, K. Morishita, E. Mutou, M. Kondo, O. Seida, K. Fujiwara, J. Takeuchi,
and S. Nishigori, Enhanced Superconductivity on the Tetragonal Lattice in FeSe
under Hydrostatic Pressure, J. Phys. Soc. Jpn. 83 (2014) 013702.

(50) K. Miyoshi, K. Morishita, E. Mutou, M. Kondo, O. Seida, K. Fujiwara, J. Takeuchi,
and S. Nishigori, Superconductivity under Pressure in FeSe Studied by Magnetic and Transport Measurements, JPS Conf. Proc. 3 (2014) 015006.


(49) K. Iwaya, T. Ogawa, T. Minato, K. Miyoshi, J. Takeuchi, A. Kuwabara, H. Moriwake, Y. Kim, and T. Hitosugi,
Impact of Lithium-Ion Ordering on Surface Electronic States of LixCoO2,
Phys. Rev. Lett. 111 (2013) 126104.


(48) T. Mizokawa, Y. Wakisaka, T. Sudayama, C. Iwai, K. Miyoshi, J. Takeuchi, H. Wadati, D. G. Hawthorn, T. Z. Regier, G. A. Sawatzky, Role of Oxygen Holes in LixCoO2 Revealed by Soft X-Ray Spectroscopy, Phys. Rev. Lett. 111 (2013) 056404.

(47) K. Miyoshi, E. Kojima, S. Ogawa, Y. Shimojo and J. Takeuchi, Superconductivity under pressure
in RFeAsO1-xFx (R=La, Ce-Sm) by dc magnetization measurements, Phys. Rev. B 87 (2013) 235111.

(46) K. Miyoshi, E. Mutou, K. Morishita, K. Fujiwara, J. Takeuchi, Pressure dependence of Superconductivity in FeSe studied by DC Magnetic measurements, J. Phys. Conference Series 400 (2012) 022075.

(45) K. Miyoshi, C. Iwai, H. Kondo, M. Miura, S. Nishigori, and J. Takeuchi, Magnetic and Electronic Properties of LixCoO2 Single Crystals, Phys. Rev. B 82 (2010) 075113.

(44) K. Ikedo, Y. Wakisaka, T. Mizokawa, C. Iwai, K. Miyoshi, and J. Takeuchi, Electronic structure of
LixCoO2 studied by photoemision spectroscopy and unrestricted Hartree-Fock caluculations,
Phys. Rev. B 82 (2010) 075126.

(43) K. Fujiwara, Y. Okazaki, Y. Hata, K. Miyoshi, J. Takeuchi, T. C. Kobayashi, C. Geibel, F. Steglich, NQR study of pressure induced superconductivity in CeCu2Si2, Physica Status Solidi B-Basic Solid State Physics 248 (2010) 608.  

(42) K. Miyoshi, Y. Takaichi, E. Mutou, K. Fujiwara, J. Takeuchi, Magnetic measurements of FeSe superconductor under high pressure, J. Phys. Conference Series, 200 (2010) 012126.

(41) K. Miyoshi, Y. Takaichi, E. Mutou, K. Fujiwara, J. Takeuchi, Anomalous Pressure Dependence of the Superconducting Transition Temperature in FeSe
1-x Studied by DC Magnetic Measurements,
J. Phys Soc. Jpn 78 (2009) 093703.


(40) K. Miyoshi, Y. Takaichi, J. Takeuchi, Anomalous Pressure Dependence of the Superconducting Transition Temperature in the β-pyrochlore KOs2O6, J. Phys. Conference Series, 150 (2009) 052165.

(39) K. Miyoshi, H. Kondo, M. Miura, C. Iwai, K. Fujiwara, J. Takeuchi, Magnetic and Transport Properties of Layered LixCoO2 Single Crystals, J. Phys. Conference Series, 150 (2009) 042129.

(38) K. Fujiwara, Y. Hata, K. Kobayashi, K. Miyoshi, J. Takeuchi, Y. Shimaoka, H. Kotegawa, T. C. Kobayashi, C. Geibel and F. Steglich, High Pressure NQR Measurement in CeCu2Si2 up to Sudden Disappearance of Superconductivity, J. Phys. Soc. Japan, 78 (2008)123711.

(37) K. Miyoshi, Y. Takaichi, Y. Takamatsu, M. Miura, and J. Takeuchi, Superconducting Transition in the β-Pyrochlore AOs2O6 (A = Cs, Rb, K) under Pressure, J. Phys. Soc. Japan, 77 (2008) 043704.

(36) K. Miyoshi, M. Miura, H. Kondo and J. Takeuchi, Electrical resistivity measurements of Na0.5CoO2 under pressure, J. Mag. Mag. Mater. 310(2007) 901-903.

(35) S. Hirahara, Y. Nakai, K. Miyoshi, K. Fujiwara and J. Takeuchi, Magnetic properties, thermal expansion and magnetostriction of Pr0.5Sr0.5CoO3 single crystal, J. Mag. Mag. Mater. 310(2007) 1866-1867.

(34) K. Miyoshi, Y. Takamatsu, J. Takeuchi, Magnetic Ordering of Pyrochlore Oxides R2Mo2O7 (R=Nd-Gd) under Pressure, J. Phys. Soc. Japan 75 (2006) 065001.

(33) K. Miyoshi, Y. Takamatsu, M. Miura, K. Fujiwara and J. Takeuchi, Magnetization Study of the Superconducting Pyrochlores AOs2O6 (A=Rb, K) under Pressure, AIP Conference Proceedings (2006) 673.

(32) J. Takeuchi, M. Tanimoto, K. Miyoshi and K. Fujiwara, Magnetic and Transport Properties of Perovskite LnBaCo2O5.5 (Ln=Sm, Gd) Single Crystals: Dependence on Oxygen Content, AIP Conference Proceedings (2006) 1221.

(31) S. Hirahara, S. Shiozawa, K. Miyoshi and J. Takeuchi, Magnetic and Transport Properties of Oxygen-Controlled Ln0.5Sr0.5MnO3-δ(Ln=Pr, Nd) Single Crystals, AIP Conference Proceedings (2006) 1193.

(30) M. Sawada, A. Kimura, K. Miyoshi, J. Takeuchi, M. Arita, K. Shimada, H. Namatame, M. Taniguchi, T. Ishikawa, K. Tamasaku, Y. Nishino, D. Miwa, Y. Takata, S. Shin, K. Kobayashi, E. Ikenaga, M. Yabashi, M. Awaji, A. Takeuchi, Hard X-ray photoemission spectroscopy of pyrochlore molybdenum oxides R2Mo2O7 (R = Sm, Tb), Physica B 383 (2006) 152-154.

(29) K. Takeda, H. Hidaka, H. Kotegawa, T.C. Kobayashi, K. Shimizu, H. Harima, K. Fujiwara, K. Miyoshi, J. Takeuchi, Y. Ohishi, T. Adachi, M. Takata, E. Nishibori, M. Sakata, T.Watanuki, O. Shimomura, Pressure-induced charge ordering of LiV2O4, Physica B 359-361 (2005) 1312-1314.

(28) M. Sawada, M. Nagira, K. Yaji, M. Higashiguchi, K. Shimada, A. Kimura, K. Miyoshi, J. Takeuchi, H. Namatame, M. Taniguchi: Photoelectron spectroscopy and soft x-ray absorption spectroscopy of pyrochlore molybdenum oxides R2Mo2O7 (R=Sm, Tb), Physica B 351(2004) 307.

(27) K. Fujiwara, K. Miyoshi, J. Takeuchi, Y. Shimaoka, T. C. Kobayashi,
Li NMR in LiV2O4 under high pressure, J. Phys. Condens. Matter 16 (2004) S615.


(26) K. Miyoshi, E. Morikuni, K. Fujiwara, J. Takeuchi and T. Hamasaki; Mass-enhanced Fermi-liquid ground state in Na1.5Co2O4, Physical Review B 69 (2004) 132412.

(25) K. Miyoshi, E. Morikuni, K. Fujiwara and J. Takeuchi; Magnetization, Electrical Resistivity and Specific Heat Measurements of NaxCo2O4, J. Mag. Mag. Mater. 272-276 (2004) 29.

(24) J. Takeuchi, N. Yamane, S. Hirahara, K. Miyoshi and K. Fujiwara; Charge and Spin Ordering in (Nd, Sr)MnO3 Induced by Cr-doping with Oxygen Deficiency, J. Mag. Mag. Mater. 272-276 (2004) 279.

(23) K. Miyoshi, T. Yamashita, K. Fujiwara and J. Takeuchi; Effect of Pressure on Magnetic and Transport Properties of Pyrochlore Molybdates, J. Phys. Soc. Japan, 72 (2003) 1855-1858.

(22) K. Miyoshi, K. Honda, T. Hiraoka, K. Fujiwara, J. Takeuchi, T. Hamasaki ; Specific Heat Measurements of Pyrochlore-type R2Mo2O7(R=Nd-Ho) Physica B 329-333 (2003) 1059-1060.


(21) K. Fujiwara, K. Ishihara, K. Miyoshi, J. Takeuchi, C. Sekine and I. Shirotani ; NMR Study of Magnetic Properties in SmRu4P12, Physica B 329-333 (2003) 476-477.


(20) J. Takeuchi, N. Yamane, S. Hirahara, K. Miyoshi and K. Fujiwara; Magnetotransport Properties and Lattice Effects of Cr-Doped Nd0.45Sr0.55MnO3 perovskite, Physica B 329-333 (2003) 906-907.

(19) K. Miyoshi, M. Ihara, K. Fujiwara and J. Takeuchi; Magnetic and Calorimetric Studies of
Li(V1-xCrx)2O4
(M=Cr, Ti) Spinel Compound, Physical Review B 65 (2002) 092414-1-092414-4.


(18) K. Miyoshi, T. Yamashita, K. Fujiwara and J. Takeuchi; Magnetic and Transport Properties of Pyrochlore Oxide (Sm1-xTbx)2Mo2O7 Single Crystals, Physica B 312-313 (2002) 706-707.

(17) K. Miyoshi, M. Ihara, K. Fujiwara and J. Takeuchi; Specific Heat and DC Magnetization Measurements of Li(V1-xCrx)2O4, J. Mag. Mag. Mater. 239(2002) 63-65.

(16) J. Takeuchi, S. Hirahara, T.P. Dhakal, K. Miyoshi and K. Fujiwara; Cr-Doping Effect on the Perovskite (Nd, Sr)MnO3 single crystals, Physica B 312-313 (2002) 754-756.

(15) K. Fujiwara, H. Yoshioka, K. Miyoshi , J. Takeuchi, T.C. Kobayashi and K. Amaya; Spin Dynamics of heavy fermion system LiV2O4 under High Pressure, Physica B 312-313 (2002) 913-915.

(14) J. Takeuchi, T. P. Dhakal, S. Hirahara and K. Miyoshi; Magnetic and Electron Transport Properties of Cr-doped (Nd, Sr)MnO3 Single Crystals, J. Mag. Mag. Mater. 239 (2002) 173-175.


(13)  K. Miyoshi, K. Honda, T. Yamashita, K. Fujiwara and J. Takeuchi; Magnetic and Transport properties of Pyrochlore Type R2Mo2O7 (R=Sm, Gd, Tb) Single Crystals, J. Mag. Mag. Mater. 226-230 (2001) 898-899.

(12) J. Takeuchi, S. Hirahara, T. P. Dhakal, K. Miyoshi and K. Fujiwara; Colossal Magnetoresistance of
Perovskite Nd 0.67 Sr 0.33 Mn 1-x Fe x O3 Single Crystals, J. Mag. Mag. Mater. 226-230 (2001)884-885.

(11) T. P. Dhakal, K. Miyoshi, K. Fujiwara and J. Takeuchi; Magnetotransport Properties of the Perovskite Nd 0.67 Sr 0.33 Mn 1-x Co x O3 Single Crystals,J. Mag. Mag. Mater. 226-230 (2001) 824-825.


(10) M. Tsukamoto, K. Miyoshi, K. Fujiwara and J. Takeuchi; Magnetic Ordering and Magnetoresistance of Layered Perovskite Nd 1+x Sr 2-x Mn 2 O7 , J. Mag. Mag. Mater. 226-230 (2001) 743-744.

(9) K. Miyoshi, Y. Nishimura, K. Honda, K. Fujiwara and J. Takeuchi;Successive Spin Freezing Behavior of Pyrochlore Antiferromagnet Y2Mo2O7 under Magnetic Fields, J. Phys. Soc. Jpn. 69 (2000) 3517-3520.

(8) K. Miyoshi, Y. Nishimura, K. Honda, K. Fujiwara and J. Takeuchi: Magnetic Ordering of Pyrochlore Oxides R2Mo2O7 (R=Er-Nd, Y) by AC and DC Magnetic Measurement, Physica B 284-288 (2000)1463-64.

(7) K. Miyoshi, M. Ihara, K. Fujiwara and J. Takeuchi;Magnetic Phase Transitions in the Vanadium Spinel System (LixMn1-x)V2O4,  Physica B 281-282 (2000) 30-31.

(6) J. Takeuchi, M. Tsukamoto, K. Miyoshi and K. Fujiwara; Magnetically Ordered Phases
in Triangular-Lattice Antiferromagnets, CsNi1-xFexCl3 and Cs1-yKyNiCl3,Physica B 284-288 (2000)1527-28.


(5) J. Takeuchi, A. Uemura, K. Miyoshi and K. Fujiwara; Magnetic and Transport Properties of
the Perovskite Nd0.67Sr0.33M1-xFexO3 (M=Mn, Co), Physica B 284-288 (2000) 1444-45.


(4) J. Takeuchi, A. Uemura, K. Miyoshi and K. Fujiwara; Colossal Magnetoresistance and
Spin Glass Behavior of the Perovskite Nd0.67Sr0.33Mn1-xFexO3, Physica B 281-282 (2000) 489-490.


(3) J. Takeuchi, G. Ishikawa, K. Miyoshi and K. Fujiwara; Low Temperature Magnetic Phases of
Amorphous (Fe1-xREx)0.7Zr0.3 (RE=Ho, Dy), Physica B 284-288 (2000) 1165-66.


(2) K. Fujiwara, H. Yoshioka, K. Miyoshi, Y. Kohori, T. Kohara, J. Takeuchi;NQR Study of
CeCu5.9Au0.1 under Pressure, Physica B 281-282 (2000) 361-362.

(1) K. Fujiwara, K. Ishihara, K. Miyoshi, J. Takeuchi, C. Sekine and I. Sirotani;NMR Study of Spin Fluctuations in CeRu4P12, Physica B
281-282 (2000) 296-297.