JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2009年02月, 査読有り
Spin gap of a pressure-induced superconductor Sr2Ca12Cu24O41 at an optimum pressure of 3.8 GPa
N. Fujiwara; Y. Fujimaki; S. Uchida; T. Matsumoto; Y. Uwatoko
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 2008年12月, 査読有り
Spin ordering of 3d(1) electrons shared within rungs in ladder-type vanadate beta-Ag0.33V2O5: Nuclear magnetic resonance and zero-field resonance measurements
A. Hisada; N. Fujiwara; T. Yamauchi; Y. Ueda; M. Hedo; Y. Uwatoko
PHYSICAL REVIEW B, 2008年07月, 査読有り
Fabrication of a NiCrAl Pressure Cell and the Application to a Two-Leg Ladder Compound Sr2Ca12Cu24O41
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2007年01月, 査読有り
Superconductivity and spin gap in the spin-ladder cuprate, Sr2Ca12Cu24O41
N Fujiwara; N Mori; Y Uwatoko; T Matsumoto; N Motoyama; S Uchida
PHYSICA B-CONDENSED MATTER, 2005年04月, 査読有り
Electrical resistivity and tunneling anomalies in CeCuAs2
EV Sampathkumaran; T Ekino; RA Ribeiro; K Sengupta; T Nakano; M Hedo; N Fujiwara; M Abliz; Y Uwatoko; S Rayaprol; T Doert; JPF Jernetio
PHYSICA B-CONDENSED MATTER, 2005年04月, 査読有り
Pressure-induced superconductivity in the spin-ladder cuprate
N Fujiwara; N Mori; Y Uwatoko; T Matsumoto; N Motoyama; S Uchida
JOURNAL OF PHYSICS-CONDENSED MATTER, 2005年03月, 査読有り
Magnetic, electrical resistivity, heat-capacity, and thermopower anomalies in CeCuAs2
K Sengupta; EV Sampathkumaran; T Nakano; M Hedo; M Abliz; N Fujiwara; Y Uwatoko; S Rayaprol; K Shigetoh; T Takabatake; T Doert; JPF Jemetio
PHYSICAL REVIEW B, 2004年08月, 査読有り
Magnetic behavior of Co ions in the exotic spin-chain compound Ca3Co2O6 from Co-59 NMR studies
EV Sampathkumaran; N Fujiwara; S Rayaprol; PK Madhu; Y Uwatoko
PHYSICAL REVIEW B, 2004年07月, 査読有り
NMRからみた梯子格子銅酸化物の超伝導
藤原直樹
日本物理學會誌, 2003年09月05日, 査読有り
Spin fluctuation in Sr2Ca12Cu24O41 under high pressure up to 3.0 GPa
N Fujiwara; N Mori; Y Uwatoko; T Matsumoto; N Motoyama; S Uchida
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2003年05月, 査読有り
Local magnetic properties and spin state of YBaCo2O5.5: Co-59 NMR study
M Itoh; Y Nawata; T Kiyama; D Akahoshi; N Fujiwara; Y Ueda
PHYSICA B-CONDENSED MATTER, 2003年05月, 査読有り
Superconductivity of the Sr2Ca12Cu24O41 spin-ladder system: Are the superconducting pairing and the spin-gap formation of the same origin?
N Fujiwara; N Mori; Y Uwatoko; T Matsumoto; N Motoyama; S Uchida
PHYSICAL REVIEW LETTERS, 2003年04月, 査読有り
NMR study of a spin ladder Sr2Ca12Cu24O41 under high pressure up to 3.0 GPa
N Fujiwara; Y Uwatoko; N Mori; T Matsumoto; N Motoyama; S Uchida
ACTA PHYSICA POLONICA B, 2003年02月, 査読有り
Nuclear magnetic relaxation under high pressure in the spin ladder Sr2Ca12Cu24O41
N Fujiwara; Y Uwatoko; N Mori; T Matsumoto; N Motoyama; S Uchida
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, 2002年06月, 査読有り
Nuclear-spin relaxation of Co-59 correlated with the spin-state transitions in LaCoO3
Y Kobayashi; N Fujiwara; S Murata; K Asai; H Yasuoka
PHYSICAL REVIEW B, 2000年07月, 査読有り
NMR study of Zn-doped SrCu2O3 near the ordering point
N Fujiwara; M Azuma; M Takano
PHYSICA B, 2000年07月, 査読有り
NMR study of the spin-state transitions in LaCoO3
Y Kobayashi; N Fujiwara; S Murata; K Asai; H Yasuoka
PHYSICA B, 2000年06月, 査読有り
NMR study of the critical behavior near the ordering point in a Zn-doped spin ladder SrCu2O3
N Fujiwara; T Saito; M Azuma; M Takano
PHYSICAL REVIEW B, 2000年05月, 査読有り
Low energy spin dynamics of a quantum ferrimagnetic chain, NiCu(pba)(H2O)(3)2H(2)O
N Fujiwara; M Hagiwara
SOLID STATE COMMUNICATIONS, 2000年, 査読有り
NQR in La1.85Sr0.15Cu1-xLixO4 under high pressure (1.9GPa)
N Fujiwara; N Mori; H Kageyama; Y Ueda
JOURNAL OF LOW TEMPERATURE PHYSICS, 1999年11月, 査読有り
Spin fluctuation nearby magnetically unstable point in Li1-xZnxV2O4
N Fujiwara; H Yasuoka; Y Ueda
PHYSICAL REVIEW B, 1999年03月, 査読有り
Evidence of finite-size effects in an S=1/2 Heisenberg linear chain LiV2O5 studied by V-51 NMR
N Fujiwara; H Yasuoka; M Isobe; Y Ueda
PHYSICAL REVIEW B, 1998年11月, 査読有り
Echo modulation in nuclear multilevel systems
T Kohmoto; T Goto; S Maegawa; N Fujiwara; M Mekata; Y Fukuda; M Kunitomo
PHYSICS LETTERS A, 1998年08月, 査読有り
Anomalous spin fluctuation in vanadium spinel LiV2O4 studied by Li-7-NMR
N Fujiwara; H Yasuoka; Y Ueda
PHYSICAL REVIEW B, 1998年02月, 査読有り
Nuclear magnetic relaxation in an Ising-like antiferromagnet CsCoCl3: Domain-wall dynamics
T Kohmoto; T Goto; S Maegawa; N Fujiwara; Y Fukuda; M Kunitomo; M Mekata
PHYSICAL REVIEW B, 1998年02月, 査読有り
NMR study of Zn doping effect in spin ladder system SrCu2O3
N. Fujiwara; H. Yasuoka; Y. Fujishiro; M. Azuma; M. Takano
Physical Review Letters, 1998年, 査読有り
Fractional-spin effect in proton magnetic relaxation in Haldane gap system TMNIN
T Goto; S Sato; K Kitamura; N Fujiwara; JP Renard; MW Meisel
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1998年01月, 査読有り
Nuclear magnetic resonance in the ladder system Sr(ZnxCu1-x)(2)O-3
N Fujiwara; H Yasuoka; Y Fujishiro; M Azuma; M Takano
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1998年01月, 査読有り
Impurity effects on a 2-leg spin ladder compound SrCu2O3
M Takano; M Azuma; Y Fujishiro; M Nohara; H Takagi; M Fujiwara; H Yasuoka; S Ohsugi; Y Kitaoka; RS Eccleston
PHYSICA C, 1997年08月, 査読有り
Anomalous metallic state in LiV2O4
N Fujiwara; Y Ueda; H Yasuoka
PHYSICA B, 1997年07月, 査読有り
Spin fluctuations in S=1/2 double-linear-chain gamma-LiV2O5 studied by Li-7 NMR
N Fujiwara; H Yasuoka; M Isobe; Y Ueda; S Maegawa
PHYSICAL REVIEW B, 1997年05月, 査読有り
NMR study of naturally occurring C-13 in the Haldane-gap material Ni(C2H8N2)(2)NO2ClO4
AP Reyes; HN Bachman; XP Tang; MW Meisel; WP Halperin; N Fujiwara; T Goto
PHYSICAL REVIEW B, 1997年04月, 査読有り
Magnetic and Structural Transitions in (LixZn1-x)V2O4 with the Spinel Structure
Yutaka Ueda; Naoki Fujiwara; Hiroshi Yasuoka
Journal of the Physical Society of Japan, 1997年, 査読有り
Spin fluctuations in S= double-linear-chain γ studied by NMR
N. Fujiwara; H. Yasuoka; M. Isobe; Y. Ueda; S. Maegawa
Physical Review B - Condensed Matter and Materials Physics, 1997年, 査読有り
SUBLATTICE SWITCHING IN THE 3-DIMENSIONAL ORDERED PHASE OF THE TRIANGULAR-LATTICE ANTIFERROMAGNET CSCOCL3
T KOHMOTO; T GOTO; S MAEGAWA; N FUJIWARA; Y FUKUDA; M KUNITOMO; M MEKATA
PHYSICAL REVIEW B, 1995年11月, 査読有り
ハルデンギャップ系磁性体の核磁気共鳴(<特集>若手による"核磁気共鳴で見た物性研究")
藤原 直樹
物性研究, 1995年09月20日, 査読有り
DOPING EFFECT OF NONMAGNETIC IMPURITIES IN HALDANE SYSTEM
N FUJIWARA; JEITLER, JR; C NAVAS; MM TURNBULL; T GOTO; N HOSOITO
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1995年02月, 査読有り
NUCLEAR MAGNETIC-RELAXATION IN THE ISING-LIKE ANTIFERROMAGNET CSCOCL3 - DOMAIN-WALL PAIRING IN THE 3D ORDERED PHASE
T KOHMOTO; T GOTO; S MAEGAWA; N FUJIWARA; Y FUKUDA; M KUNITOMO; M MEKATA
PHYSICAL REVIEW B, 1994年03月, 査読有り
SPIN FLUCTUATION AND STATIC PROPERTIES OF THE LOCAL MOMENTS IN THE HALDANE-GAP SYSTEM NI(C2H8N2)2NO2(CLO4) STUDIED BY H-1-NMR
N FUJIWARA; T GOTO; S MAEGAWA; T KOHMOTO
PHYSICAL REVIEW B, 1993年05月, 査読有り
LOW-TEMPERATURE MAGNETIC MEASUREMENTS OF NENP
O AVENEL; J XU; JS XIA; MF XU; B ANDRAKA; T LANG; PL MOYLAND; W NI; PJC SIGNORE; CMCM VANWOERKENS; ED ADAMS; GG IHAS; MW MEISEL; SE NAGLER; NS SULLIVAN; Y TAKANO
JOURNAL OF LOW TEMPERATURE PHYSICS, 1992年11月, 査読有り
LOW-TEMPERATURE MAGNETIC MEASUREMENTS OF AN S=1 LINEAR-CHAIN HEISENBERG-ANTIFERROMAGNET
O AVENEL; J XU; JS XIA; MF XU; B ANDRAKA; T LANG; PL MOYLAND; W NI; PJC SIGNORE; CMCM VANWOERKENS; ED ADAMS; GG IHAS; MW MEISEL; SE NAGLER; NS SULLIVAN; Y TAKANO; DR TALHAM; T GOTO; N FUJIWARA
PHYSICAL REVIEW B, 1992年10月, 査読有り
DOMAIN-WALL PAIRING IN THE 3D-ORDERED PHASE OF THE ISING-LIKE ANTIFERROMAGNET CSCOCL3 STUDIED BY CS-133 TRANSVERSE RELAXATION
T KOHMOTO; T GOTO; S MAEGAWA; N FUJIWARA; Y FUKUDA; M KUNITOMO; M MEKATA
PHYSICS LETTERS A, 1992年08月, 査読有り
EXPERIMENTAL-EVIDENCE FOR THE LOWEST EXCITATION MODE IN THE S = 1 HALDANE-GAP SYSTEM - HIGH-FIELD PROTON MAGNETIC-RELAXATION IN NI(C2H8N2)2NO2CLO4
N FUJIWARA; T GOTO; S MAEGAWA; T KOHMOTO
PHYSICAL REVIEW B, 1992年04月, 査読有り
MAGNETIC-STRUCTURES OF SUCCESSIVELY ORDERED PHASES IN A TRIANGULAR-LATTICE ANTIFERROMAGNET CSNIBR3
S MAEGAWA; T KOHMOTO; T GOTO; N FUJIWARA
PHYSICAL REVIEW B, 1991年12月, 査読有り
SPIN DYNAMICS IN THE ORDERED PHASES OF THE TRIANGULAR LATTICE HEISENBERG-ANTIFERROMAGNET CSMNI3
S MAEGAWA; N FUJIWARA; T KOHMOTO; T GOTO
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1990年12月, 査読有り
PROPAGATION OF DOMAIN-WALL PAIR IN THE ORDERED PHASE OF CSCOCL3
T KOHMOTO; S MAEGAWA; T GOTO; N FUJIWARA; M MEKATA
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1990年12月, 査読有り
PROTON NUCLEAR MAGNETIC-RELAXATION IN QUASI-ONE-DIMENSIONAL S = 1 HEISENBERG-ANTIFERROMAGNET NI(C2H8N2)2NO2(CLO4)
N FUJIWARA; T GOTO; T KOHMOTO; S MAEGAWA
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1990年12月, 査読有り
PROTON SPIN-LATTICE RELAXATION IN THE QUASI-ONE-DIMENSIONAL S=1 HEISENBERG-ANTIFERROMAGNET NI(C2H8N2)2NO2(CLO4)
T GOTO; N FUJIWARA; T KOHMOTO; S MAEGAWA
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1990年04月, 査読有り
Successive transition from superconducting to antiferromagnetic phase in (Ca-6(Al, Ti)(4)O-y)Fe2As2 studied via As-75 and Al-27 NMR (vol 84, 060502, 2011)
T. Nakano; N. Fujiwara; S. Tsutsumi; H. Ogino; K. Kishio; J. Shimoyama