Giant electro-thermal conductivity and spin-phonon coupling in an antiferromagnetic oxide (2008)
Chiorescu, C., Neumeier, J. J., Cohn, J. L.
The application of weak electric fields (
Hydrostatic pressure effects on the electrical transport properties of Pr0.5Sr0.5MnO3 (2007)
Rueckert, F. J., Steiger, M., Davis, B. K., Huynh, T., Neumeier, J. J., Torikachvili, M. S.
We studied single-crystalline Pr0.5Sr0.5MnO3 by means of measurements of magnetic susceptibility and specific heat at ambient pressure (P), and electrical resistivity (r) in hydrostatic pressures up...
Jiang, Y., Bridges, F., Downward, L., Neumeier, J. J.
A temperature-dependent EXAFS investigation of La{1-x}Ca{x}MnO3 is presented for the concentration range that spans the ferromagnetic-insulator (FMI) to ferromagnetic-metal (FMM) transition region, x...
Impurity Conduction and Magnetic Polarons in Antiferromagnetic Oxides (2007)
Chiorescu, C., Cohn, J. L., Neumeier, J. J.
Low-temperature transport and magnetization measurements for the antiferromagnets SrMnO(3) and CaMnO(3) identify an impurity band of mobile states separated by energy E from electrons bound in...
Doping Dependence of Polaron Hopping Energies in La(1-x)Ca(x)MnO(3) (0 (2006)
Neupane, K. P., Cohn, J. L., Terashita, H., Neumeier, J. J.
Measurements of the low-frequency (f
Studies on the Weak Itinerant Ferromagnet SrRuO3 under High Pressure to 34 GPa (2006)
Hamlin, J. J., Deemyad, S., Schilling, J. S., Jacobsen, M. K., Kumar, R. S., Cornelius, A. L., ...
The dependence of the Curie temperature Tc on nearly hydrostatic pressure has been determined to 17.2 GPa for the weak itinerant ferromagnetic SrRuO3 in both polycrystalline and single-crystalline...
Neupane, K. P., Cohn, J. L., Terashita, H., Neumeier, J. J.
This version is available at the following Publisher URL: http://prb.aps.org
Magnetic Inhomogeneity and Magnetotransport in Electron-Doped Ca(1-x)La(x)MnO(3) (0 (2005)
Chiorescu, C., Neumeier, J. J., Cohn, J. L.
The dc magnetization (M) and electrical resistivity (\rho) as functions of magnetic field and temperature are reported for a series of lightly electron dopedCa(1-x)La(x)MnO(3) (0
Neumeier, J. J., Tomita, T., Debessai, M., Schilling, J. S., Barnes, P. W., Hinks, D. G., ...
The thermal expansion coefficient $\alpha$ of MgB$_2$ is revealed to change from positive to negative on cooling through the superconducting transition temperature $T_c$. The Gr\"uneisen function...
Souza, A., Yu, Yi-Kuo, Neumeier, J. J., Terashita, H., Jardim, R. F.
A new method for analyzing second-order phase transitions is presented and applied to the polaronic system La$_{0.7}$Ca$_{0.3}$MnO$_{3}$. It utilizes heat capacity and thermal expansion data...
Polaron Transport in the Paramagnetic Phase of Electron-Doped Manganites (2005)
Cohn, J. L., Chiorescu, C., Neumeier, J. J.
The electrical resistivity, Hall coefficient, and thermopower as functions of temperature are reported for lightly electron-doped Ca(1-x)La(x)MnO(3)(0
Giant Dielectric Permittivity of Electron-Doped Manganite Thin Films, Ca(1-x)La(x)MnO(3) ($0 (2004)
Cohn, J. L., Peterca, M., Neumeier, J. J.
A giant low-frequency, in-plane dielectric constant, eps~10^6, for epitaxial thin films of Ca(1-x)La(x)MnO(3) (x
Low-Temperature Permittivity of Insulating Perovskite Manganites (2004)
Cohn, J. L., Peterca, M., Neumeier, J. J.
Measurements of the low-frequency (f
Downward, L., Bridges, F., Bushart, S., Neumeier, J. J., Dilley, N., Zhou, L.
We present extensive X-ray Absorption Fine Structure (XAFS) measurements on La_{1-x}Ca_xMnO_3 as a function of B-field (to 11T) and Ca concentration, x (21-45%). These results reveal local structure...
Ling, C. D., Granado, E., Neumeier, J. J., Lynn, J. W., Argyriou, D. N.
A detailed investigation of mesoscopic magnetic and crystallographic phase separation in Ca(1-x)La(x)MnO3, 0.00
Heat Conduction and Magnetic Phase Behavior in Electron-Doped Ca_{1-x} La_x MnO_3(0 (2002)
Measurements of thermal conductivity (kappa) vs temperature are reported for a series of Ca_{1-x} La_x MnO_3(0
Evolution of the Magnetic Ground State in the Electron-Doped Antiferromagnet CaMnO$_3$ (2001)
Cornelius, A. L., Light, B., Neumeier, J. J.
Measurements of the specific heat on the system Ca$_{1-x}$La$_{x}$MnO$_{3}$ (% $x\leq 0.10$) are reported. Particular attention is paid to the effect that doping the parent compound with electrons by...
Sawatzky, G. A., Neumeier, J. J., Kwei, G. H., Booth, C. H., Bridges, F;
Abstract: We report high-resolution X-ray Absorption Near Edge Structure (XANES)measurements at the Mn K-edge as a function of temperature, forLa$_{1-x}$Ca$_x$MnO$_3$ samples, with a focus mainly on...
Bridges, F., Booth, C. H., Kwei, G. H., Neumeier, J. J., Sawatzky, G. A.
We report high-resolution X-ray Absorption Near Edge Structure (XANES) measurements at the Mn K-edge as a function of temperature, for La$_{1-x}$Ca$_x$MnO$_3$ samples, with a focus mainly on the...
Local structure and polaron formation in La (1997)
G. H. Kwei, J. J. Neumeier, J. D. Thompson
The local structure of La 1Gammax Ca x MnO 3 is determined from pair distribution function (PDF) analysis of pulsed neutron diffraction. We have compared the effect on the local structure of crossing...