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How magnetic order hosts superconductivity: the case of superconducting ruthenocuprates (CROSBI ID 493894)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Prester, Mladen ; Živković, Ivica ; Drobac, Đuro ; Hirai, Y. ; Frazer, B.H. ; Ariosa, D. ; Berger, H. ; Pavuna, Davor ; Margaritondo, G. ; Felner, I. et al. How magnetic order hosts superconductivity: the case of superconducting ruthenocuprates. 2002

Podaci o odgovornosti

Prester, Mladen ; Živković, Ivica ; Drobac, Đuro ; Hirai, Y. ; Frazer, B.H. ; Ariosa, D. ; Berger, H. ; Pavuna, Davor ; Margaritondo, G. ; Felner, I. ; Onellion, M.

engleski

How magnetic order hosts superconductivity: the case of superconducting ruthenocuprates

The way magnetic and superconducting order influences each other, the issue being raised, during the decades, in the context of low-Tc borides, Chevrel phases and carbides, remains to be at least equally interesting in the context of high-Tc cuprates. In ruthenocuprates, superconductivity sets-in inside a magnetically ordered phase, revealing a true microscopic coexistence of the two order parameters below, typically, 30 K. We report on remarkable variations characterizing magnetism of the two known superconducting ruthenocuprates. While one of them (named Ru1212) develops spontaneous antiferromagnetic order, the other one (named Ru1222) reveals a spontaneous ferromagnetism. Our high-resolution ac susceptibility studies have discovered a reach magnetic dynamics and a &#8216 ; soft metamagnetism&#8217 ; characterizing Ru1222, compatible with the scenario of ferromagnetism representing just a component of a more complex global magnetic order in this compound.

superconductivity; ferromagnetism; magnetic dynamics

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Podaci o prilogu

2002.

objavljeno

Podaci o matičnoj publikaciji

Podaci o skupu

From Solid State to Biophysics

predavanje

13.06.2002-19.06.2002

Dubrovnik, Hrvatska

Povezanost rada

Fizika