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Thermal conductivity of single crystal lanthanum cuprates at very low temperature
Morelli, D. T.; Doll, G. L.; Heremans, J.; Peacor, S. D.; Uher, Ctirad; Dresselhaus, M. S.; Cassanho, A.; Gabbe, D. R.; Jenssen, H. P.
1991-03
Citation:Morelli, D. T., Doll, G. L., Heremans, J., Peacor, S. D., Uher, C., Dresselhaus, M. S., Cassanho, A., Gabbe, D. R., Jenssen, H. P. (1991/03)."Thermal conductivity of single crystal lanthanum cuprates at very low temperature." Solid State Communications 77(10): 773-776. <http://hdl.handle.net/2027.42/29444>
Abstract: We have undertaken a study of the thermal conductivity of single crystals of pure and strontium doped lanthanum copper oxide in the temperature range 0.1-6 K. For in plane conduction, all samples show approximately a T2.7 dependence, whereas for conduction across the planes for X = 0 we observe [kappa] ~ T2. This suggests that dimensionality may play an important role in the lattice heat conduction properties of these materials at very low temperature.
