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Variation of temperature-linear specific heat with doping in (La1−xSrx)2CuO4 by M. Kato; Y. Maeno; T. Fujita is a Physics and Astronomy article available to read on EtoBox.
What is Variation of temperature-linear specific heat with doping in (La1−xSrx)2CuO4 about?
Low-temperature specific heat of (La~\_~rx)2CuO4 has been studied between 2 and 20 K by systematically varying the Sr concentration x, in order to clarify the origin of non-zero y, the temperature-linear specific-heat coefficient, frequently observed in high-To superconducting oxides. Identical procedure is used to prepare samples for the specific-heat measurement and for the determination of the structural, magnetic and superconductive phase-transition temperatures as a function ofx. The value of~, is nearly zero in the antiferromagnetic ordering region, but increases abruptly with x to about 4 mJ/K 2 mol in the insulating, but not antiferromagnetic region. By increasing x further into the superconductive region, 7 tends to be smaller: 1.6 mJ/K 2 mol for x= 0.075. We argue that the non-zero y is not due to inhomogeneity of the samples, but due to electronic origin intrinsic to this system.
Who reads Variation of temperature-linear specific heat with doping in (La1−xSrx)2CuO4?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- M. Kato; Y. Maeno; T. Fujita
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0921-4534)
- Published
- 1988
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)