selected scholarly activity
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chapters
- 63Cu and 17O Nuclei Spin-Lattice Relaxation in Y1−xCaxBa2Cu4O8. 115-118. 1992
- Magnetic Phase Differentiation in the La2-xSrxCuOy System — Cu and La Nuclear Quadrupole Resonance and Relaxation. Springer proceedings in physics. 405-407. 1992
- Copper Nuclear Relaxation Rate and Knight Shift in YBa2Cu4O8. 159-162. 1991
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conferences
- Spin-Peierls and incommensurate states in layered S=1/2 system TiOCl. Journal of Physics and Chemistry of Solids. 2044-2047. 2007
- High-performance AlO-laminated TaO MIM capacitors for RF-IC applications: effects of the AlO layer on electrical characteristics. Proceedings of the IEEE 2005 International Interconnect Technology Conference, 2005.. 91-93. 2005
- Contrasting Cu and La NQR behavior in Eu- and Zn-doped La2−xSrxCuO4. Journal of Magnetism and Magnetic Materials. 863-865. 2001
- Comprehensive ^63Cu NQR Study of Spin Dynamics in La_2-xSr_xCuO_4. Comprehensive ^63Cu NQR Study of Spin Dynamics in La_2-xSr_xCuO_4. 2001
- 17O and 101Ru NMR study of orbital dependent ferromagnetic correlations in Sr2RuO4. Physica B: Condensed Matter. 942-943. 1999
- 17O and 63,65Cu NMR of undoped and hole-doped Cu2O3 two-leg spin-ladder A14Cu24O41 up to K. Physica B: Condensed Matter. 1032-1033. 1999
- A review of tele-immersive applications in the CAVE research network. Proceedings IEEE Virtual Reality (Cat. No. 99CB36316). 180-187. 1999
- High temperature NQR studies of Sr-doped La2CuO4. Physica B: Condensed Matter. 230-234. 1994
- High-temperature 63,65Cu NQR and NMR study of the high- temperature superconductor La2-Sr CuO4 (0⩽x⩽0.15). Physica B: Condensed Matter. 601-608. 1994
- NMR studies of the superconducting pairing state of YBa2Cu3O7. Journal of Physics and Chemistry of Solids. 1439-1445. 1993
- Copper NQR study of the La 214 system from an aspect of microscopic environment of copper. Hyperfine Interactions. 867-872. 1993
- Cu spin dynamics in high Tc and relaxed oxides investigated by nuclear spin-lattice relaxation.. Physica C: Superconductivity and its Applications. 169-170. 1989
- NMR and NQR in Highly Correlated Metallic and Superconducting Cu Oxides. Springer Series in Solid-State Sciences. 254-261. 1989
- Charge distribution on planar oxygens in an underdoped High-Tc cuprate: La(2-x)Sr(x)CuO(4) via ^17O NMR
- High field, low temperature 17O Knight shift in an underdoped High-Tc cuprate: La(2-x)Sr(x)CuO(4) for x =0.115, 0.15
- Invited discussions with theorists
- New Dimension in NMR Measurements of Correlated Electrons
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journal articles
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Local probe investigation of the spin dynamics in the kagome and interlayers of orthorhombic barlowite
- Emergence of the spin polarized domains in the kagome lattice Heisenberg antiferromagnet Zn-barlowite (Zn0.95Cu0.05)Cu3(OD)6FBr. npj Quantum Materials. 7. 2022
- Local dynamics and thermal activation in the transverse-field Ising chain. Physical review B (PRB). 106:125149. 2022
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Freezing of the Lattice in the Kagome Lattice Heisenberg Antiferromagnet Zn-Barlowite
- Emergence of spin singlets with inhomogeneous gaps in the kagome lattice Heisenberg antiferromagnets Zn-barlowite and herbertsmithite. Nature Physics. 17:1109-1113. 2021
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NMR investigation on the honeycomb iridate
- Revisiting the 63Cu NMR Signature of Charge Order in La1.875Ba0.125CuO4. Journal of the Physical Society of Japan. 90:034705-034705. 2021
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Magnetic inhomogeneity in charge-ordered
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Spin Excitations of a Proximate Kitaev Quantum Spin Liquid Realized in
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Low-frequency spin dynamics in the
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- 17O NMR Study of Charge Ordered La1.885Sr0.115CuO4. Journal of the Physical Society of Japan. 87:025004-025004. 2018
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Revisiting
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Nuclear relaxation rates in the herbertsmithite kagome antiferromagnets
- Do quantum spin liquids exist?. Physics Today. 69:30-36. 2016
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- Evidence for a gapped spin-liquid ground state in a kagome Heisenberg antiferromagnet. Science. 350:655-658. 2015
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NMR Investigation of the Quasi-One-Dimensional Superconductor
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Cu Substitution Effects on the Local Magnetic Properties of
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NMR investigation of spin correlations in
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Evolution of Quantum Fluctuations Near the Quantum Critical Point of the Transverse Field Ising Chain System
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Critical behavior of the spin density wave transition in underdoped
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Local magnetism and spin correlations in the geometrically frustrated cluster magnet
- Cu substitution effects on the local magnetic properties of Ba(Fe1-xCux)2As2. Physical Review Letters. 113. 2014
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NMR investigation of the diluted magnetic semiconductor Li(Zn
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(La
- (La1-xBax)(Zn1-xMnx)AsO: A two-dimensional 1111-type diluted magnetic semiconductor in bulk form. Physical review B (PRB). 88. 2013
- NMR Search for the Spin Nematic State in a LaFeAsO Single Crystal. Physical Review Letters. 109:247001. 2012
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NMR characterization of sulphur substitution effects in the K
- International & Interdisciplinary Workshop on Novel Phenomena in Integrated Complex Sciences: from Non-living to Living Systems. Journal of Physics: Conference Series. 344:011001-011001. 2012
- Single Crystal NMR Study of Frustrated Spin-Liquid in S = 1/2 Kagome Lattice ZnCu3(OD)6Cl2 2012
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Local spin susceptibility of the
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Absence of static magnetic order in lightly-doped Ti
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Effect of annealing on the specific heat of Ba(Fe
- Effect of annealing on the specific heat of optimally doped Ba(Fe0.92Co0.08)2As2. Journal of Physics: Conference Series. 273:012094-012094. 2011
- Superconductivity near a quantum critical point in Ba(Fe1−Co )2As2. Physica C: Superconductivity and its Applications. 470:S273-S275. 2010
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Nonmagnetic impurity perturbation to the quasi-two-dimensional quantum helimagnet
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Magnetic properties of the geometrically frustrated
- Two magnetically distinct environments in Cu-O planes in an underdoped High-Tc cuprate: La(2-x)Sr(x)CuO(4) seen via ^17O NMR 2010
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Contrasting Spin Dynamics between Underdoped and Overdoped
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Magnetic properties of the
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Electronic phase diagram of the iron-based high-
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Why Does Undoped FeSe Become a High-
- 75As NMR Observation of Anisotropic Spin Fluctuations in the Ba[(Fe0.92Co0.08)2]2As2 Superconductor (Tc = 22 K) 2009
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- Spin Susceptibility, Phase Diagram, and Quantum Criticality in the Eelctron-Doped High Tc Superconductor Ba(Fe1-xCox)2As2. Journal of the Physical Society of Japan. 78:013711-013711. 2009
- Pressure effects on the electron-doped highTcsuperconductor BaFe2−xCoxAs2. Journal of Physics Condensed Matter. 20:472201-472201. 2008
- 59Co and 75As NMR Investigation of Electron-Doped High Tc Superconductor BaFe1.8Co0.2As2 (Tc = 22 K). Journal of the Physical Society of Japan. 77:103705-103705. 2008
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- NMR Measurements of Intrinsic Spin Susceptibility in LaFeAsO0.9F0.1. Journal of the Physical Society of Japan. 77:47-53. 2008
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Spin Dynamics in the Carrier-Doped
- What has NMR taught us about stripes and inhomogeneity?. Physica C: Superconductivity and its Applications. 388-389:209-210. 2003
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17O NMR study of the local charge state in the hole-doped Cu
2 O3 two-leg spin-ladder A14 Cu24 O41 (A14 =La6 Ca8 , Sr14 , Sr11 Ca3 , Sr6 Ca8 ). Physical Review B - Condensed Matter and Materials Physics. 67:945121-945126. 2003 -
Systematic 63Cu NQR and 89Y NMR study of spin dynamics in Y
1-z Caz Ba2 Cu3 Oy across the superconductor-insulator boundary. Physical Review Letters. 88:1876011-1876014. 2002 -
Systematic
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63Cu NQR evidence for spatial variation of hole concentration in La
2-x Srx CuO4 . Physical Review Letters. 88:476021-476024. 2002 -
13C NMR investigation of the superconductor MgCNi
3 up to 800 K. Physical Review Letters. 87. 2001 - C13 NMR Investigation of the Superconductor MgCNi3 up to 800 K. Physical Review Letters. 87:257601. 2001
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17O NMR study of q = 0 spin excitations in a nearly ideal S = 1/2 1D Heisenberg antiferromagnet, Sr
2 CuO3 , up to 800 K. Physical Review Letters. 87:2472021-2472024. 2001 -
Glassy slowing of stripe modulation in (La,Eu,Nd)
2-x (Sr,Ba)x CuO4 : A 63Cu and 139La NQR study down to 350 mK. Physical Review B - Condensed Matter and Materials Physics. 64:1345251-13452525. 2001 -
Glassy slowing of stripe modulation in
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Systematic
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High-temperature
- Nuclear magnetic resonance and electron spins: Some history, ancient and in the making. Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties. 74:545-561. 1996
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- Superconductivity and spin fluctuations in the electron-doped infinitely-layered high Tc superconductor Sr0.9La0.1CuO2 (Tc = 42 K). Journal of Physics and Chemistry of Solids. 56:1921-1925. 1995
- Spin fluctuations in undoped, hole-doped and electron-doped CuO2 planes of high Tc cuprate superconductors ---- 63Cu NMR and NQR studies of La2-xSrxCuO4 (0<x<0.15) and Sr0.9La0.1CuO2 (Tc = 42K). Physica C: Superconductivity and its Applications. 235-240:1627-1628. 1994
- ChemInform Abstract: NMR Studies of the Superconducting Pairing State of YBa2Cu3O7. ChemInform. 25:no-no. 1994
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Spin-spin correlation in the quantum critical regime of
- ChemInform Abstract: NMR Studies of the Superconducting State of Copper Oxide Superconductors. ChemInform. 24:no-no. 1993
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Measurement of theq-dependent static spin susceptibility χ’(q) in
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Low frequency spin dynamics in undoped and Sr-doped
- Low field63Cu NMR study of indirect nuclear spin-spin coupling in YBa2Cu3O6.9. A new approach to probe strong correlation effects in high-T c superconductors. Applied Magnetic Resonance. 3:729-744. 1992
- NMR studies of the superconducting state of copper oxide superconductors. Applied Magnetic Resonance. 3:423-448. 1992
- Observation of Nuclear Resonance of Cu in Pb2Sr2Y1-xCaxCu3O8+δwithx=0 and 0.5. Journal of the Physical Society of Japan. 60:37-40. 1991
- Nuclear spin-lattice relaxation and Knight shift in YBa2Cu4O8. Physica C: Superconductivity and its Applications. 173:32-36. 1991
- 63Cu NMR Study of Spin Dynamics in La2-x(Sr, Ba)xCuOy(0.04≤x≤0.16, 3.99≤y≤4.03). Journal of the Physical Society of Japan. 59:3846-3849. 1990
- Analysis of Nuclear Relaxation Experiments in HighTcOxides Based on Mila-Rice Hamiltonian. Journal of the Physical Society of Japan. 59:2508-2521. 1990
- Nuclear Quadrupole Resonance of Cu in the Paramagnetic State of CuO. Journal of the Physical Society of Japan. 59:1143-1146. 1990
- ChemInform Abstract: NMR and NQR Studies in High‐Tc Oxides: Yttrium Barium Copper Oxide, YBa2Cu3Oy (y = 6.0‐6.91). ChemInform. 21:no-no. 1990
- Copper NMR and NQR in La2-xSrxCuO4–No Evidence for Coexistence of Magnetic Ordering and Superconductivity down to 1.3 K. Journal of the Physical Society of Japan. 58:3057-3060. 1989
- NMR and NQR studies in high-T c oxides: YBa2Cu3O y (6.0≤y≤6.91). Hyperfine Interactions. 49:167-186. 1989
- Copper NQR and NMR investingations of Metallic but Nonsuperconducting La4BaCu5O13+x. Journal of the Physical Society of Japan. 58:1528-1531. 1989
- Cu chemistry of YBa2Cu3O6+xinvestigated by nuclear quadrupole resonance. Phase Transitions. 15:183-199. 1989
- NMR and NQR in highly correlated metallic superconducting copper oxides. Springer Series in Solid-State Sciences. 89:254-254. 1989
- NQR AND NMR STUDIES OF YBa2Cu3Ox(6.0 ≦ x ≦ 6.91). International Journal of Modern Physics B. 03:93-95. 1989
- Anomalous Temperature Dependence of Cu Nuclear Spin-Lattice Relaxation in YBa2Cu3O6.91. Journal of the Physical Society of Japan. 57:2280-2283. 1988
- Site Assignment for Cu NQR Lines in YBa2Cu3O7-δSuperconductor. Journal of the Physical Society of Japan. 57:2494-2505. 1988
- Nuclear Spin-Lattice Relaxation of63,65Cu at the Cu(2) Sites of the HighTcSuperconductor YBa2Cu3O7-δ. Journal of the Physical Society of Japan. 57:1771-1779. 1988
- NQR and NMR of139La in Antiferromagnetic La2CuO4-δ. Journal of the Physical Society of Japan. 56:4559-4570. 1987
- NMR Study of V/Ag Multilayered Supercondutors. Japanese Journal of Applied Physics. 26:1457-1457. 1987
- NMR investigation of iron-selenide and iron-arsenide high Tc superconductors
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Local probe investigation of the spin dynamics in the kagome and interlayers of orthorhombic barlowite
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preprints
- Local probe investigation of the spin dynamics in the kagome and inter-layers of orthorhombic barlowite Cu$_4$(OD)$_6$FBr: $^{79}$Br and $^{63}$Cu NQR study 2023
- Emergence of the spin polarized domains in the kagome lattice Heisenberg antiferromagnet Zn-barlowite (Zn$_{0.95}$Cu$_{0.05}$)Cu$_{3}$(OD)$_{6}$FBr 2022
- $^{139}$La NMR investigation of the interplay between the lattice, charge, and spin dynamics in charge ordered high $T_c$ cuprate La$_{1.875}$Ba$_{0.125}$CuO$_{4}$ 2022
- Emergence of spin singlets with inhomogeneous gaps in the kagome Heisenberg antiferromagnets Zn-barlowite and herbertsmithite 2022
- Spin excitations of a proximate Kitaev quantum spin liquid realized in Cu$_2$IrO$_3$ 2022
- Freezing of the Lattice in the Kagome Lattice Heisenberg Antiferromagnet Zn-barlowite ZnCu$_3$(OD)$_6$FBr 2021
- Local dynamics and thermal activation in the transverse-field Ising chain 2021
- NMR Investigation on Honeycomb Iridate Ag$_3$LiIr$_2$O$_6$ 2020
- $^{139}$La and $^{63}$Cu NMR investigation of charge order in La$_{2}$CuO$_{4+y}$ ($T_{c}=42$K) 2017
- Revisiting $^{63}$Cu NMR evidence for charge order in superconducting La$_{1.885}$Sr$_{0.115}$CuO$_4$ 2017
- Evidence for a Gapped Spin-Liquid Ground State in a Kagome Heisenberg Antiferromagnet 2015
- NMR investigation of spin correlations in BaCo2As2 2014
- Critical Behavior of the SDW Transition in Underdoped Ba(Fe1-xCox)2As2 (x <=0.05): 75As NMR Investigation 2014
- Cu substitution effects on the local magnetic properties of Ba(Fe_[1-x]Cu_[x])2As2: a site-selective 75-As and 63-Cu NMR study 2014
- Evolution of Quantum Fluctuations Near the Quantum Critical Point of the Transverse Field Ising Chain System CoNb$_2$O$_6$ 2014
- Local magnetism and spin correlations in the geometrically frustrated cluster magnet LiZn$_2$Mo$_3$O$_8$ 2013
- (La1-xBax)(Zn1-xMnx)AsO: A Two Dimensional "1111" Diluted Magnetic Semiconductor in Bulk Form 2013
- NMR Search for the Spin Nematic State in LaFeAsO Single Crystal 2012
- Local Spin Susceptibility of the S=1/2 Kagome Lattice in ZnCu3(OD)6Cl2 2011
- 77Se NMR Investigation of the K(x)Fe(2-y)Se(2) High Tc Superconductor (Tc=33K) 2011
- Absence of static magnetic order in lightly-doped Ti1-xScxOCl down to 1.7 K 2011
- Effect of annealing on the specific heat of Ba(Fe1-xCox)2As2 2010
- Effect of annealing on the specific heat of optimally doped Ba(Fe$_{0.92}$Co$_{0.08}$)$_{2}$As$_{2}$ 2010
- Nonmagnetic impurity perturbation to the quasi-two-dimensional quantum helimagnet LiCu2O2 2010
- Magnetic properties of the geometrically frustrated S=1/2 antiferromagnets, La2LiMoO6 and Ba2YMoO6, with the B-site ordered double perovskite structure: Evidence for a Collective Spin Singlet Ground State 2010
- Superconductivity Near a Quantum Critical Point in Ba(Fe,Co)2As2 2009
- Contrasting Spin Dynamics Between Underdoped and Overdoped Ba(Fe[1-x]Co[x])2As2 2009
- The Electronic Phase Diagram of the Iron-based High Tc Superconductor Ba(Fe(1-x)Co(x))2As2 Under Hydrostatic Pressure (0 < x <0.099) 2009
- 75As NMR Observation of Anisotropic Spin Fluctuations in the Ba[(Fe0.92Co0.08)2]2As2 Superconductor (Tc = 22 K) 2009
- 59Co and 75As NMR Investigation of the Lightly Doped Ba[Fe(1-x)Co(x)]2As2 (x =0.02, 0.04) 2009
- Spin susceptibility, phase diagram, and quantum criticality in the electron-doped high Tc Superconductor Ba[Fe(1-x)Co(x)]2As2 2008
- NMR measurements of intrinsic spin susceptibility in LaFeAsO(0.9)F(0.1) 2008
- Pressure effects on the electron-doped high Tc superconductor BaFe(2-x)Co(x)As(2) 2008
- 59-Co and 75-As NMR Investigation of Electron-Doped High Tc Superconductor BaFe(1.8)Co(0.2)As(2) (Tc = 22K) 2008
- 19-F NMR Investigation of Iron-pnictide Superconductor LaFeAsO(0.89)F(0.11) 2008
- ^{59}Co NMR evidence for charge ordering below T_{CO}\sim 51 K in Na_{0.5}CoO_2 2007
- 17O NMR Study of the Local Charge State in the Hole Doped Cu2O3 Two-Leg Spin-Ladder A14Cu24O41 (A=La6Ca8, Sr14, Sr11Ca3, Sr6Ca8) 2002
- Glassy Slowing of Stripe Modulation in (La,Eu,Nd)(2-x)(Sr,Ba)(x)CuO4: A Cu-63 and La-139 NQR Study Down to 350mK 2000
- 63Cu NQR evidence of dimensional crossover to anisotropic 2d regime in S= 1/2 three-leg ladder Sr2Cu3O5 1999