The precursor state to superconductivity in CeIrIn${_5}$: Unusual scaling of magnetotransport (2008)
Nair, Sunil, Nicklas, M., Steglich, F., Sarrao, J. L., Thompson, J. D., Schofield, A. J., ...
We present an analysis of the normal-state Hall effect and magnetoresistance in the heavy fermion superconductor CeIrIn${_5}$. It is demonstrated that the modified Kohler's scaling--which relates the...
High Field de Haas - van Alphen Studies of the Fermi Surfaces of LaMIn$_{5}$ (M = Co, Rh, Ir) (2008)
Hall, Donavan, Balicas, Luis, Fisk, Z., Goodrich, R. G., Alver, U., Sarrao, J. L.
We report measurements of the de Haas - van Alphen effect on a series of compounds, LaMIn$_{5}$ (M = Co, Rh, Ir). The results show that each of the Co and Ir Fermi surfaces (FSs) exhibit some...
Itinerant spin excitations near the hidden order transition in URu2Si2 (2008)
Janik, J. A., Zhou, H. D., Balicas, L., MacDougall, G. J., Luke, G. M., ...
By means of neutron scattering we show that the high-temperature precursor to the hidden order state of the heavy fermion superconductor URu$_{2}$Si$_{2}$ exhibits heavily damped incommensurate...
Electronic Duality in Strongly Correlated Matter (2008)
Park, T., Graf, M. J., Boulaevskii, L., Sarrao, J. L., Thompson, J. D.
Superconductivity develops from an attractive interaction between itinerant electrons that creates electron pairs which condense into a macroscopic quantum state--the superconducting state. On the...
Dimensional Crossover of Quantum Critical Behavior in CeCoIn5 (2008)
Donath, J. G., Steglich, F., Bauer, E. D., Sarrao, J. L., Gegenwart, P.
Hall effect measurements in the heavy fermion system CeIrIn5 (2008)
Nair, S., Wirth, S., Nicklas, M., Gladun, A., Steglich, F., Sarrao, J. L., ...
Precursor State to Unconventional Superconductivity in CeIrIn5 (2008)
Nair, S., Wirth, S., Nicklas, M., Sarrao, J. L., Thompson, J. D., Fisk, Z., ...
Neutron diffraction study of magnetic field induced behavior in the heavy Fermion Ce3CO4Sn13 (2008)
Christianson, A.D., Goremychkin, E.A., Gardher, J.S., Kang, H.J., Chung, J.H., Manuel, R., ...
The specific heat of Ce3Co4Sn13 exhibits a crossover from heavy Fermion behavior with antiferromagnetic correlations at low field to single impurity Kondo behavior above 2 T. We have performed...
A precursor state to unconventional superconductivity in CeIrIn${_5}$ (2007)
Nair, Sunil, Wirth, S., Nicklas, M., Sarrao, J. L., Thompson, J. D., Fisk, Z., ...
We present sensitive measurements of the Hall effect and magnetoresistance in CeIrIn${_5}$ down to temperatures of 50 mK and magnetic fields up to 15 T. The presence of a low temperature coherent...
Antiferromagnetic fluctuations and the Fulde-Ferrell-Larkin-Ovchinnikov state in CeCoIn5 (2007)
Nicklas, M., Miclea, C. F., Sarrao, J. L., Thompson, J. D., Sparn, G., Steglich, F.
The heavy-fermion superconductor CeCoIn5 is the first material, where different experimental probes show strong evidence pointing to the realization of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO)...
Andreev Reflection in Heavy-Fermion Superconductors and Order Parameter Symmetry in CeCoIn_5 (2007)
Park, W. K., Sarrao, J. L., Thompson, J. D., Greene, L. H.
Differential conductance spectra are obtained from nanoscale junctions on the heavy-fermion superconductor CeCoIn$_5$ along three major crystallographic orientations. Consistency and reproducibility...
Quantifying structural damage from self-irradiation in a plutonium superconductor (2007)
Booth, C. H., Bauer, E. D., Daniel, M., Wilson, R. E., Mitchell, J. N., Morales, L. A., ...
The 18.5 K superconductor PuCoGa5 has many unusual properties, including those due to damage induced by self-irradiation. The superconducting transition temperature decreases sharply with time,...
Ohishi, K., Heffner, R. H., Morris, G. D., Bauer, E. D., Graf, M. J., ...
We have measured the temperature dependence and magnitude of the superfluid density $\rho_{\rm s}(T)$ via the magnetic field penetration depth $\lambda(T)$ in PuCoGa$_5$ (nominal critical temperature...
Point-contact Andreev reflection spectroscopy of heavy-fermion-metal/superconductor junctions (2007)
Park, W. K., Stalzer, H., Sarrao, J. L., Thompson, J. D., Pham, L. D., Fisk, Z., ...
Our previous point-contact Andreev reflection studies of the heavy-fermion superconductor CeCoIn$_5$ using Au tips have shown two clear features: reduced Andreev signal and asymmetric background...
Dimensional crossover of quantum critical behavior in CeCoIn$_5$ (2007)
Donath, J. G., Gegenwart, P., Steglich, F., Bauer, E. D., Sarrao, J. L.
The nature of quantum criticality in CeCoIn$_5$ is studied by low-temperature thermal expansion $\alpha(T)$. At the field-induced quantum critical point at H=5 T a crossover scale $T^\star\approx...
T. Mito, M. Nakamura, M. Otani, T. Koyama, S. Wada, ...
Journal article
Pressure effect on antiferromagnetism in CeRhIn5-xSnx studied by thermal expansion (2007)
Donath, J. G., Gegenwart, P., Steglich, F., Bauer, E. D., Sarrao, J. L.
Antiferromagnetic fluctuations and the Fulde-Ferrell-Larkin-Ovchinnikov state in CeCoIn5 (2007)
Nicklas, M., Miclea, C. F., Sarrao, J. L., Thompson, J. D., Sparn, G., Steglich, F.
Quantifying structural damage from self-irradiation in a plutonium superconductor (2006)
Booth, C.H., Bauer, E.D., Daniel, M., Wilson, R.E., Mitchell, J.N., Morales, L.A., ...
Time-Resolved Quasiparticle Dynamics in the Spin-Density-Wave State (2006)
Chia, Elbert E. M., Zhu, Jian-Xin, Lee, H. J., Hur, Namjung, Moreno, N. O., Averitt, R. D., ...
Time-resolved photoinduced reflectivity is measured in the spin-density-wave (SDW) phase using itinerant antiferromagnets UMGa$_{5}$ (M=Ni, Pt). For UNiGa$_{5}$ [$T_{N}$=85 K,...
FFLO State and Peak Effect Dynamics in CeCoIn_5: Magnetization Studies (2006)
Gratens, X., Ferreira, L. Mendonca, Kopelevich, Y., Oliveira Jr., N. F., Pagliuso, P. G., Movshovich, R., ...
Magnetization measurements were performed on CeCoIn_5 at temperature down to 30 mK with the magnetic field applied in three different orientations: parallel, near parallel ($\sim$ 10$^{0}$ rotated)...
Low temperature behavior of the heavy Fermion Ce3Co4Sn13 (2006)
Christianson, A. D., Gardner, J. S., Kang, H. J., Bobev, S., Sarrao, J. L., ...
The compound Ce3Co4Sn13 is an extremely heavy cubic heavy fermion system with a low temperature electronic specific heat of order ~4 J/mol-K2. If the compound is nonmagnetic, it would be one of the...
Microscopic evidence for field-induced magnetism in CeCoIn$_5$ (2006)
Urbano, R. R., Curro, N. J., Thompson, J. D., Sarrao, J. L., Vorontsov, A. B., ...
We present NMR data in the normal and superconducting states of CeCoIn$_5$ for fields close to $H_{\rm c2}(0)=11.8$ T in the $ab$ plane. Recent experiments identified a first-order transition from...
Quasiparticle Relaxation Across a Spin Gap in the Itinerant Antiferromagnet UNiGa5 (2006)
Chia, Elbert E. M., Lee, H. J., Hur, Namjung, Bauer, E. D., Durakiewicz, T., Averitt, R. D., ...
Ultrafast time-resolved photoinduced reflectivity is measured for the itinerant antiferromagnet UNiGa$_{5}$ ($T_{N} \approx$85 K) from room temperature to 10 K. The relaxation time $\tau$ shows a...
Anisotropic intermediate valence in Yb2Rh3Ga9 (2006)
Christianson, A.D., Lawrence, J.M., Lobos, A.M., Aligia, A.A., Bauer, E.D., Moreno, N.O., ...
We report measurements of the inelastic neutron scattering spectrum for the anisotropic intermediate valence system Yb2Rh3Ga9. Calculations for the Anderson impurity model with crystal field terms...
The Missing Link: Magnetism and Superconductivity (2006)
Burch, K. S., Dordevic, S. V., Mena, F. P., Sarrao, J. L., Jeffries, J. R., ...
The effect of magnetic moments on superconductivity has long been a controversial subject in condensed matter physics. While Matthias and collaborators experimentally demonstrated the destruction of...
Localized Excitation in the Hybridisation Gap in YbAl3 (2006)
Christianson, A.D., Fanelli, V.R., Lawrence, J.M., Goremychkin, E.A., Osborn, R., Bauer, E.A., ...
The intermediate valence compound YbAl3 exhibits a broad magnetic excitation with characteristic energy E1 ~ 50meV, of order of the Kondo energy (TK ~ 600-700K). In the low temperature (T < Tcoh ~...
Localized excitation in the hybridization gap in YbAl3 (2006)
Christianson, A.D., Fanelli, V.R., Lawrence, J.M., Goremychkin, E.A., Osborn, R., Bauer, E.D., ...
The intermediate valence compound YbAl3 exhibits a broad magnetic excitation in the inelastic neutron scattering spectrum with characteristic energy E150 meV, equal to the Kondo energy (TK~600–700...
Capan, C., Balicas, L., Murphy, T. P., Palm, E. C., Movshovich, R., Hall, D., ...
We report a comparative study of magnetoresistance and de-Haas-van-Alphen (dHvA) effect in CeIrIn$_5$ in the field range of 20T to 33T and between 0.03K and 1K. The metamagnetic transition is marked...
Hidden Magnetism and Quantum Criticality in the Heavy Fermion Superconductor CeRhIn5 (2006)
Park, Tuson, Ronning, F., Yuan, H. Q., Salamon, M. B., Movshovich, R., Sarrao, J. L., ...
With understood exceptions, conventional superconductivity does not coexist with long-range magnetic order[1]. In contrast, unconventional superconductivity develops near a boundary separating...
Shiotani, Y., Sarrao, J. L., Zheng, Guo-qing
In order to gain insights into the origin of colossal magneto-resistance (CMR) in manganese oxides, we performed a ^{139}La NMR study in the double-layered compound La_{1.2}Sr_{1.8}Mn_2O_7. We find...
Pressure Study of Quantum Criticality in CeCoIn5 (2006)
Ronning, F., Capan, C., Bauer, E. D., Thompson, J. D., Sarrao, J. L., Movshovich, R.
We report resistivity measurements in the normal state of CeCoIn5 down to 40 mK and simultaneously in magnetic fields up to 9 T in the [001] crystallographic direction and under pressures up to 1.3...
Localized excitation in the hybridization gap in YbAl3 (2006)
Christianson, A D, Fanelli, V R, Lawrence, J M, Goremychkin, E A, Osborn, R, Bauer, E D, ...
Pressure Dependence of the Fulde-Ferrell-Larkin-Ovchinnikov State in CeCoIn5 (2006)
Miclea, C. F., Nicklas, M., Parker, D., Maki, K., Sarrao, J. L., Thompson, J. D., ...
Pressure effect on superconductivity in CeCoIn5-xSnx studied by thermal expansion (2006)
Donath, J. G., Gegenwart, P., Küchler, R., Oeschler, N., Steglich, F., Bauer, E. D., ...
Nano-magnetic droplets and implications to orbital ordering in La1-xSrxCoO3 (2005)
Phelan, D., Louca, Despina, Rosenkranz, S., Qiu, Y., Chupas, P. J., ...
Inelastic cold neutron scattering on LaCoO3 provided evidence for a distinct low energy excitation at 0.6 meV coincident with the thermally induced magnetic transition. Coexisting strong...
Slow spin-glass and fast spin-liquid components in quasi-two-dimensional La2(Cu,Li)O4 (2005)
Chen, Y., Bao, Wei, Qiu, Y., Lorenzo, J. E., Sarrao, J. L., Ho, D. L., ...
In conventional spin glasses, magnetic interaction is not strongly anisotropic and the entire spin system is believed to be frozen below the spin-glass transition temperature. In La2Cu0.94Li0.06O4,...
Novel Coexistence of Superconductivity with Two Distinct Magnetic Orders (2005)
Christianson, A. D., Llobet, A., Bao, Wei, Gardner, J. S., Swainson, I. P., Lynn, J. W., ...
The heavy fermion Ce(Rh,Ir)In5 system exhibits properties that range from an incommensurate antiferromagnet on the Rh-rich end to an exotic superconductor on the Ir-rich end of the phase diagram. At...
Superconductivity in Actinide Materials (2005)
Thompson, J. D., Sarrao, J. L., Curro, N. J., Bauer, E. D., Morales, L. A., Wastin, F., ...
Actinide materials play a special role in condensed matter physics, spanning behaviours of itinerant d-electron and localized 4f-electron materials. An intermediate state, found notably in Pu-based...
Evolution of the heavy fermion state in Ce2IrIn8 (2005)
Heffner, R. H., Morris, G. D., Bauer, E. D., Sarrao, J. L., Thompson, J. D., MacLaughlin, D. E., ...
We report muon spin rotation Knight shift and susceptibility studies for 1 T applied field along the crystalline c- and a-axes of the heavy fermion compound Ce2IrIn8. Below a characteristic...
Shiotani, Y, Sarrao, J L, Zheng, Guo-qing
In order to gain insights into the origin of colossal magnetoresistance (CMR) in manganese oxides, we performed a La-139 NMR study in the double-layered compound La1.2Sr1.8Mn2O7. We find that above...
Silhanek, A. V., Jaime, M., Harrison, N., Fanelli, V., Batista, C. D., Amitsuka, H., ...
We report measurements and analysis of the specific heat and magnetocaloric effect at the phase boundary into the single magnetic field-induced phase (phase II) of U(Ru{0.96}Rh{0.04})2Si2, which...
Allen, J. W., Ast, C. R., Höchst, H., Sarrao, J. L., ...
We report angle resolved photoemission (ARPES) spectra of $\eta$-Mo$_4$O$_{11}$, a layered metal that undergoes two charge density wave (CDW) transitions at 109 K and 30 K. We have directly observed...
Anisotropic intermediate valence in Yb2M3Ga9 (M = Rh, Ir) (2005)
Christianson, A. D., Lawrence, J. M., Lobos, A. M., Aligia, A. A., Bauer, E. D., Moreno, N. O., ...
The intermediate valence compounds Yb2M3Ga9 (M = Rh, Ir) exhibit an anisotropic magnetic susceptibility. We report measurements of the temperature dependence of the 4f occupation number, nf(T), for...
Anisotropic intermediate valence in Yb2M3Ga9 (M = Rh, Ir) (2005)
Christianson, A.D., Lawrence, J.M., Lobos, A.M., Aligia, A.A., Bauer, E.D., Moreno, N.O., ...
Localized excitation in the hybridization gap in YbAl3 (2005)
Christianson, A. D., Lawrence, J. M., Goremychkin, E. A., Osborn, R., Bauer, E. D., Sarrao, J. L., ...
The intermediate valence compound YbAl3 exhibits a broad magnetic excitation with characteristic energy E1 ~ 50meV, of order of the Kondo energy (TK ~ 600-700K). In the low temperature (T < Tcoh ~...
c-axis magnetotransport in CeCoIn$_{5}$ (2005)
Malinowski, A., Hundley, M. F., Capan, C., Ronning, F., Movshovich, R., Moreno, N. O., ...
We present the results of out-of-plane electrical transport measurements on the heavy fermion superconductor CeCoIn$_{5}$ at temperatures from 40 mK to 400 K and in magnetic field up to 9 T. For $T $...
Partial spin freezing in the quasi-two-dimensional La2(Cu,Li)O4 (2005)
Chen, Y., Bao, Wei, Qiu, Y., Lorenzo, J. E., Sarrao, J. L., Ho, D. L., ...
In conventional spin glasses, the magnetic interaction is not strongly anisotropic and the entire spin system freezes at low temperature. In La2(Cu,Li)O4, for which the in-plane exchange interaction...
Crystal-field effects in the mixed-valence compounds Yb2M3Ga9 (M= Rh, Ir) (2005)
Moreno, N. O., Lobos, A., Aligia, A. A., Bauer, E. D., Bobev, S., Fritsch, V., ...
Magnetic susceptibility, heat capacity, and electrical resistivity measurements have been carried out on single crystals of the intermediate valence compounds Yb2Rh3Ga9 and Yb2Ir3Ga9. These...
Urbano, R. R., Pagliuso, P. G., Rettori, C., Schlottmann, P., Sarrao, J. L., Bianchi, A., ...
The local environment of Eu$^{2+}$ ($4f^{7}$, $S=7/2$) in Ca$_{1-x}$Eu$_{x}$B$_{6}$ ($0.003\leqslant x\leqslant 1.00$) is investigated by means of electron spin resonance (ESR). For $x\lesssim 0.003$...
Perturbing the superconducting planes in CeCoIn5 by Sn substitution (2005)
Daniel, M., Bauer, E.D., Booth, C.H., Cornelius, A.L., Pagliuso, P.G., ...
Antiferromagnetism in Pr3In: Singlet/triplet physics with frustration (2004)
Christianson, A.D., Lawrence, J.M., Zarestky, J.L., Suzuki, H., Thompson, J.D., Hundley, M.F., ...
Antiferromagnetism in Pr3In: Singlet/triplet physics with frustration (2004)
Christianson, A. D., Lawrence, J. M., Zarestky, J. L., Suzuki, H., Thompson, J. D., Hundley, M. F., ...
We present neutron diffraction, magnetic susceptibility and specific heat data for a single-crystal sample of the cubic (Cu3Au structure) compound Pr3In. This compound is believed to have a singlet...
High magnetic field thermal-expansion and elastic properties of CeRhIn$_5$ (2004)
Correa, V. F., Okraku, W. E., Betts, J. B., Migliori, A., Sarrao, J. L., Lacerda, A. H.
We report high magnetic field thermal-expansion and magnetostriction results on CeRhIn$_5$ single crystals. Several transitions, both first and second order, are observed when the field is applied...