239 citations · 1.3k across the 38 of their papers we have counts for
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Charge Density Wave Order in Superconducting Topological Insulator Nbx-Bi2Se3
Yanan Li, Christian Parsons, Sanath Ramakrishna +6
Spontaneously broken symmetry in the ground state of Bi-based topological materials can lead to promising Topological superconductors, such as Cu-Bi2Se3, Sr-Bi2Se3 and Nb-Bi2Se3. I…
Competition between spin ordering and superconductivity near the pseudogap boundary in La2-xSrxCuO4: insights from NMR
I. Vinograd, R. Zhou, H. Mayaffre +11
When superconductivity is suppressed by high magnetic fields in La2-xSrxCuO4, striped antiferromagnetic (AFM) order becomes the magnetic ground state of the entire pseudogap regime…
Martensitic transformation in V_3Si single crystal: ^51V NMR evidence for coexistence of cubic and tetragonal phases
A. A. Gapud, S. K. Ramakrishnan, E. L. Green +1
The Martensitic transformation (MT) in A15 binary-alloy superconductor V_3Si, though studied extensively, has not yet been conclusively linked with a transition to superconductivit…
Hidden magnetism at the pseudogap critical point of a high temperature superconductor
Mehdi Frachet, Igor Vinograd, Rui Zhou +17
The mysterious pseudogap phase of cuprate superconductors ends at a critical hole doping level p* but the nature of the ground state below p* is still debated. Here, we show that t…
Spin susceptibility of charge ordered YBa2Cu3Oy across the upper critical field
R. Zhou, M. Hirata, T. Wu +9
The value of the upper critical field Hc2, a fundamental characteristic of the superconducting state, has been subject to strong controversy in high-Tc copper-oxides. Since the iss…
Internal static electric and magnetic field at the copper cite in a single crystal of the electron-doped high-T superconductor PrCeCuO
Guoqing Wu, F. Zamborszky, A. P. Reyes +3
We report Cu-NMR spectroscopy and Knight shift measurements on a single crystal of the electron-doped high- superconductor PrCeCuO (PCCO…
Multigap superconductivity in locally non-centrosymmetric SrPtAs: An As nuclear quadrupole resonance investigation
F. Brückner, R. Sarkar, M. Günther +9
We report detailed As-NQR investigations of the locally non-centrosymmetric superconductor SrPtAs. The spin-lattice relaxation studies prove weakly coupled multi-gap superco…
Progressive slowing down of spin fluctuations in underdoped LaFeAsOF
F. Hammerath, U. Gräfe, H. Kühne +7
The evolution of low-energy spin dynamics in the iron-based superconductor LaFeAsOF was studied over a broad doping, temperature, and magnetic field range (x = 0 - 0.15…
Emergence of charge order from the vortex state of a high temperature superconductor
T. Wu, H. Mayaffre, S. Kramer +8
Evidence is mounting that charge order competes with superconductivity in high Tc cuprates. Whether this has any relationship to the pairing mechanism is unknown since neither the…
Absence of static orbital current magnetism at the apical oxygen site in HgBaCuO from NMR
A. M. Mounce, Sangwon Oh, Jeongseop A. Lee +9
The simple structure of HgBaCuO (Hg1201) is ideal among cuprates for study of the pseudogap phase as a broken symmetry state. We have performed O nuclear magneti…
Two distinct electronic sites in the Cu-O plane of the (La,Sr)CuO(4) pseudogap state
Robert X. Smith, Philip L. Kuhns, Arneil P. Reyes +1
The pseudogap state is widely regarded as a precursor to high-temperature superconductivity yet remains poorly understood. Using high field (30 T) NMR, we report two electronically…
Spin-Density Wave near the Vortex Cores of BiSrCaCuO
A. M. Mounce, S. Oh, S. Mukhopadhyay +6
Competition with magnetism is at the heart of high temperature superconductivity, most intensely felt near a vortex core. To investigate vortex magnetism we have developed a spatia…
Carrier-Concentration Dependence of the Pseudogap Ground State of Superconducting Bi2Sr2-xLaxCuO6+delta Revealed by 63,65Cu-Nuclear Magnetic Resonance in Very High Magnetic Fields
Shinji Kawasaki, Chengtian Lin, Philip L. Kuhns +2
We report the results of the Knight shift by 63,65Cu-nuclear-magnetic resonance (NMR) measurements on single-layered copper-oxide Bi2Sr2-xLaxCuO6+delta conducted under very high ma…
Two-dimensional Vortices in Superconductors
Bo Chen, W. P. Halperin, Prasenjit Guptasarma +4
Superconductors have two key characteristics. They expel magnetic field and they conduct electrical current with zero resistance. However, both properties are compromised in high m…
Critical point and the nature of the pseudogap of single-layered copper-oxide BiSrLaCuO superconductors
Guo-qing Zheng, P. L. Kuhns, A. P. Reyes +2
We apply strong magnetic fields of H=28.5 \sim 43 T to suppress superconductivity (SC) in the cuprates Bi_{2}Sr_{2-x}La_xCuO_{6+δ} (x=0.65, 0.40, 0.25, 0.15 and 0), and investigate…
Interplay between the magnetic fluctuations and superconductivity in the lanthanum cuprates
G. B. Teitel'baum, V. E. Kataev, E. L. Vavilova +3
We report the analysis of the magnetic fluctuations in the superconducing La_{2-x}Sr_xCuO_4 and the related lanthanum cuprates having the different symmetry of the low temperature…
Spatially resolved electronic structure inside and outside the vortex core of a high temperature superconductor
V. F. Mitrovi{ć}, E. E. Sigmund, M. Eschrig +5
One of the puzzling aspects of high temperature superconductors is the prevalence of magnetism in the normal state and the persistence of superconductivity in very high magnetic fi…
The Pseudogap in YBaCuO from NMR in High Magnetic Fields
V. F. Mitrovi{ć}, H. N. Bachman, W. P. Halperin +3
We report O(2,3) and Cu(2) spin-lattice relaxation rates and the O(2,3) spin-spin relaxation rate in different magnetic fields in YBaCuO near …
Superconducting Fluctuation Effects on the Electron Spin Susceptibility in YBa_2Cu_3O_{6.95}
H. N. Bachman, V. F. Mitrovi{ć}, A. P. Reyes +6
The electronic spin susceptibility of YBa_2Cu_3O_{6.95} has been measured with high precision up to 24 Tesla with 17O nuclear magnetic resonance. Its temperature dependence can be…