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 (
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
Neupane, K. P., Cohn, J. L., Terashita, H., Neumeier, J. J.
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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
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) ($0 (2004)
Cohn, J. L., Peterca, M., Neumeier, J. J.
A giant low-frequency, in-plane dielectric constant, eps~10^6, for epitaxial thin films of Ca(1-x)La(x)MnO(3) (x
Low-Temperature Permittivity of Insulating Perovskite Manganites (2004)
Cohn, J. L., Peterca, M., Neumeier, J. J.
Measurements of the low-frequency (f
Heat Conduction and Magnetic Phase Behavior in Electron-Doped Ca_{1-x} La_x MnO_3(0 (2002)
Measurements of thermal conductivity (kappa) vs temperature are reported for a series of Ca_{1-x} La_x MnO_3(0
Glass-Like Heat Conduction in High-Mobility Crystalline Semiconductors (1998)
Cohn, J. L., Nolas, G. S., Fessatidis, V., Metcalf, T. H., Slack, G. A.
The thermal conductivity of polycrystalline semiconductors with type-I clathrate hydrate crystal structure is reported. Ge clathrates (doped with Sr and/or Eu) exhibit lattice thermal conductivities...
Hole Localization in Underdoped Superconducting Cuprates Near 1/8th Doping (1998)
Cohn, J. L., Popoviciu, C. P., Lin, Q. M., Chu, C. W.
Measurements of thermal conductivity versus temperature over a broad range of doping in YBa$_2$Cu$_3$O$_{6+x}$ and HgBa$_2$Ca$_{n-1}$Cu$_n$O$_{2n+2+\delta}$ ($n$=1,2,3) suggest that small domains of...
Percolation Effects and Oxygen Inhomogeneities in YBa2Cu3O7-Delta Crystals. (1998)
Osofsky, M. S., Cohn, J. L., Skelton, E. F., Miller, M. M., Vanderah, T. A.
Ashkenazi, J., Barnes, S. E., Cohn, J. L., Zuo, F.
Partial contents: Delta-Influence on the Pressure-Effect on T sub c of HgBa2CuO4+delta and the Inverse Parabolic T sub c-Relation; Antiparamagnon in d-Wave Superconductors; D-Wave Superconductivity...
The thermal resistivity of manganites and cuprates is shown to correlate with local lattice distortions and the presence of localized holes as determined from neutron diffraction and nuclear...
Anisotropic in-plane thermal conductivity of single-crystal YBa_2Cu_4O_8 (1998)
We report measurements of the in-plane thermal conductivity ($\kappa$) of YBa_2Cu_4O_8 (Y-124) single crystals in the temperature range $4K\leq T\leq 300K$ and compare them with previous results on...
Thermoelectric and thermo-Coulomb effects in tunnel junctions (1992)
Amman, M., Ben-Jacob, Eshel, Cohn, J. L.
We present a study of the thermoelectric effects in tunnel junctions. In particular we calculate the thermoelectric power coefficient S and the Peltier coefficient P. For macroscopic junctions we...
Thermo-Coulomb effects in mesoscopic tunnel junctions (1991)
Amman, M., Ben-Jacob, Eshel, Cohn, J. L.
We present a study of the thermoelectric effect in tunnel junctions. In particular we calculate the thermopower coefficient S and the Peltier coefficient π. For macroscopic junctions we demonstrate...
Low-temperature electronic transport and the Coulomb blockade in oxidized films of bismuth (1990)
Cohn, J. L., Ben-Jacob, Eshel, Uher, Ctirad
We present low-temperature (0.2 T e2.
The anomalous thermal conductivity of La2-xSrxCuO4-y at very low temperatures (1988)
The authors report measurements of thermal conductivity ( kappa ) extending to 100 mK on a series of La2-xSrxCuO4-y specimens with 0.10