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Complex magnetic states of heavy fermion compound CeGe


Haines, C.R.S.; Marcano, N.; Smith, R.P.; Aviani, Ivica; Espeso, J.I.; Gуmez Sal, J.C.; Saxena, S.S.
Complex magnetic states of heavy fermion compound CeGe // Low temperature physics, 38 (2012), 7; 821-827 doi:10.1063/1.4734012 (međunarodna recenzija, članak, znanstveni)


Naslov
Complex magnetic states of heavy fermion compound CeGe

Autori
Haines, C.R.S. ; Marcano, N. ; Smith, R.P. ; Aviani, Ivica ; Espeso, J.I. ; Gуmez Sal, J.C. ; Saxena, S.S.

Izvornik
Low temperature physics (0132-6414) 38 (2012), 7; 821-827

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Intermetallic compound CeGe; antiferromagnetic coupling; magnetic behavior

Sažetak
The intermetallic compound CeGe exhibits unusual magnetic behavior due to the interplay between the Kondo and the antiferromagnetic coupling. This particular system is interesting because the Kondo temperature is close to the Néel temperature, resulting in a close competition between the low- temperature interactions, which can be tuned by means of varying external parameters such as pressure and applied magnetic field. Interestingly, magnetization measurements up to 12 kbar reveal that the Néel temperature is not affected by pressure. Measurements of the electrical resistivity, however, show that the sharp upturn appearing below TN is sensitive to pressures up to 15 kbar. This suggests that pressure may change the complex antiferromagnetic spin structure. The validity of an explanation based on the magnetic superzones seen in the rare earths is discussed here.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
035-0352827-2841 - Materijali sa elektronskom strukturom modeliranom modernim tehnikama priprave (Ivica Aviani, )
035-0352843-2849 - Termoelektrična i termomagnetska svojstva materijala s jakim korelacijama. (Veljko Zlatić, )

Ustanove
Institut za fiziku, Zagreb

Autor s matičnim brojem:
Ivica Aviani, (76256)

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI


Citati