78 citations · 507 across the 19 of their papers we have counts for
19 papers
Phase Separation and Superparamagnetism in the Martensitic Phase of
S. Yuan, P. L. Kuhns, A. P. Reyes +5
shape memory alloys in the approximate range display desirable properties for applications as well as intriguing magnetism. These o…
Correlation between Fermi surface transformations and superconductivity in the electron-doped high- superconductor NdCeCuO
T. Helm, M. V. Kartsovnik, C. Proust +11
Two critical points have been revealed in the normal-state phase diagram of the electron-doped cuprate superconductor NdCeCuO by exploring the Fermi surface propert…
Re-entrant magnetic field induced charge and spin gaps in the coupled dual-chain quasi-one dimensional organic conductor Perylene[Pt(mnt)]
L. E. Winter, J. S. Brooks, P. Schlottmann +3
An inductive method is used to follow the magnetic field-dependent susceptibility of the coupled charge density wave (CDW) and spin-Peierls (SP) ordered state behavior in the dual…
Effect of heavy-ion irradiation on London penetration depth in over-doped Ba(Fe,Co)2As2
J. Murphy, M. A. Tanatar, Hyunsoo Kim +7
Irradiation with 1.4 GeV Pb ions was used to induce artificial disorder in single crystals of iron-arsenide superconductor Ba(FeCo)As and to study its e…
Competition between the structural phase transition and superconductivity in IrPtTe as revealed by pressure effects
A. Kiswandhi, J. S. Brooks, H. B. Cao +4
Pressure-dependent transport measurements of IrPtTe are reported. With increasing pressure, the structural phase transition at high temperatures is enhanced while i…
Angular dependent magnetothermopower of alpha-(ET)2KHg(SCN)4
D. Krstovska, E. Steven, E. S. Choi +1
The magnetic field and angular dependencies of the thermopower and Nernst effect of the quasi-two-dimensional organic conductor alpha-(ET)2KHg(SCN)4 are experimentally measured at…
Determination of the Upper Critical Field of a Single Crystal LiFeAs: The Magnetic Torque Study up to 35 Tesla
N. Kurita, K. Kitagawa, K. Matsubayashi +6
We report on the upper critical field B_c2 of a superconducting LiFeAs single crystal with T_c~16 K, determined from magnetic torque measurements in dc-magnetic fields up to 35 T a…
Role of anion size, magnetic moment, and disorder on the properties of the organic conductor kappa-(BETS)_2Ga_{1-x}Fe_{x}Cl_{4-y}_Br_{y}
E. Steven, H. B. Cui, A. Kismarahardja +3
Shubnikov-de Haas and angular dependent magnetoresistance oscillations have been used to explore the role of anion size, magnetic moment, and disorder in the organic conductors kap…
Resonant Nernst effect in the metallic and field-induced spin density wave states of (TMTSF)2ClO4
E. S. Choi, J. S. Brooks, H. Kang +2
We examine an unusual phenomenon where, in tilted magnetic fields near magic angles parallel to crystallographic planes, a "giant" resonant Nernst signal has been observed by Wu et…
High magnetic field-induced insulating phase in an organic conductor
J. S. Brooks, D. Graf, E. S. Choi +4
We report electrical transport, skin depth, and magnetocaloric measurements in the tau-series of organic conductors at very high magnetic fields. Above 36 T these materials show a…
Fermiology and superconductivity studies on the non-tetrachalcogenafulvalene structured organic superconductor beta-(BDA-TTP)_2SbF_6
E. S. Choi, E. Jobiling, A. Wade +6
The quantum oscillatory effect and superconductivity in a non-tetrachalcogenafulvalene (TCF) structure based organic superconductor beta-(BDA-TTP)_2SbF_6 are studied. Here the Shub…
Photo-response of the conductivity in functionalized pentacene compounds
T. Tokumoto, J. S. Brooks, R. Clinite +4
We report the first investigation of the photo-response of the conductivity of a new class of organic semiconductors based on functionalized pentacene. These materials form high qu…
Low-frequency method for magnetothermopower and Nernst effect measurements on single crystal samples at low temperatures and high magnetic fields
E. S. Choi, J. S. Brooks, J. S. Qualls +1
We describe an AC method for the measurement of the longitudinal (Sxx) and transverse (Sxy, i.e. Nernst) thermopower of mm-size single crystal samples at low temperatures (T<1 K) a…
Shubnikov-de Haas effect and Yamaji oscillations in the antiferromagnetically ordered organic superconductor k-(BETS)2FeBr4: A Fermiology study
L. Balicas, J. S. Brooks, K. Storr +8
Shubnikov-De Haas effect (SdH) effect and angular dependent magnetoresistance oscillations (AMRO) were observed in the organic superconductor: -(BETS)FeBr. In contrast t…
Quantum melting of the quasi-two-dimensional vortex lattice in kappa-(ET)2Cu(NCS)2
M. M. Mola, S. Hill, J. S. Brooks +1
We report torque magnetization measurements in regions of the mixed state phase diagram ( and T/) of the organic superconductor (ET)Cu…
The High Magnetic Field Phase Diagram of a Quasi-One Dimensional Metal
J. S. Qualls, C. H. Mielke, J. S. Brooks +4
We present a unique high magnetic field phase of the quasi-one dimensional organic conductor (TMTSF)ClO. This phase, termed "Q-ClO", is obtained by rapid thermal quench…
Josephson plasma resonance in k-(BEDT-TTF)2Cu(NCS)2
M. M. Mola, J. T. King, C. P. McRaven +3
A cavity perturbation technique is used to study the microwave response of the organic superconductor k-(BEDT-TTF)2Cu(NCS)2. Observation of a Josephson plasma resonance, below Tc (…
Violation of Kohler's rule by the magnetoresistance of a quasi-two-dimensional organic metal
Ross H. McKenzie, J. S. Qualls, S. Y. Han +1
The interlayer magnetoresistance of the quasi-two-dimensional metal -(BEDT-TTF)KHg(SCN) is considered. In the temperature range from 0.5 to 10 K and for fields up to 10…
Magnetoresistance and magnetic breakdown in the quasi-two-dimensional conductors (BEDT-TTF)MHg(SCN)[M=K,Rb,Tl]
Ross H. McKenzie, G. J. Athas, J. S. Brooks +9
The magnetic field dependence of the resistance of (BEDT-TTF)MHg(SCN)[M=K,Rb,Tl] in the density-wave phase is explained in terms of a simple model involving magnetic breakd…