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Titolo:
KONDO EFFECT IN Y1-XPRXBA2CU3O7
Autore:
JIN D; LUO JL; WANG YP; YAN SS;
Indirizzi:
CHINESE ACAD SCI,CRYOGEN LAB,POB 2711 BEIJING 100080 PEOPLES R CHINA BEIJING UNIV,DEPT PHYS BEIJING 100871 PEOPLES R CHINA
Titolo Testata:
Czechoslovak journal of Physics
, volume: 46, anno: 1996, supplemento:, 3
pagine: 1369 - 1370
SICI:
0011-4626(1996)46:<1369:KEIY>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
NORMAL-STATE PROPERTIES; SUPERCONDUCTIVITY; PR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
7
Recensione:
Indirizzi per estratti:
Citazione:
D. Jin et al., "KONDO EFFECT IN Y1-XPRXBA2CU3O7", Czechoslovak journal of Physics, 46, 1996, pp. 1369-1370

Abstract

The low temperature resistance measurements on Y1-xPrxBa2Cu3O7 compounds for x=0.45 polycrystalline sample and x=0.5 epitaxial film are reported. Upturns in the resistance-temperature (R-T) curves are observedabove Tc for both the two samples. Careful analysis shows that the R(T) behavior above Tc could be well fitted by an. expression of R(0)+ATBlnT(K)/T. The existence of BlnT(K)/T term indicates that the upturnsabove Tc are due to the Kondo interaction between Pr magnetic momentsand mobile holes in the system. The result coincides with the specific heat measurements reported earlier.

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Documento generato il 24/01/20 alle ore 12:18:49