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Anomalous thermal conductivity of single crystal Cu2Te2O5Cl2


Smontara, Ana; Bilušić, Ante; Jagličić, Z.; Zorko, A.; Dolinšek J.; Berger, H.
Anomalous thermal conductivity of single crystal Cu2Te2O5Cl2 // Applied magnetic resonance, 29 (2005), 2; 261-266 doi:10.1007/BF03167013 (međunarodna recenzija, članak, znanstveni)


Naslov
Anomalous thermal conductivity of single crystal Cu2Te2O5Cl2

Autori
Smontara, Ana ; Bilušić, Ante ; Jagličić, Z. ; Zorko, A. ; Dolinšek J. ; Berger, H.

Izvornik
Applied magnetic resonance (0937-9347) 29 (2005), 2; 261-266

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

Ključne riječi
Cu2Te2O5Cl2; phase transition; thermal conductivity; magnetic susceptibility

Sažetak
A strong increase of the thermal conductivity is observed at the phase transition (Tc =18.2 K) in Cu2Te2O5Cl2 single crystal. This behavior is compared with that of spin-Peierls system NaV2O5, where similar experimental observation has been found, and the conventional spin-Peierls system CuGeO3, where a modest kink in the thermal conductivity curve has been observed. The strong increase of the thermal conductivity at Tc in Cu2Te2O5Cl2 could be partially attributed to the opening of the energy gap in the magnetic excitation spectrum evident from the magnetic susceptibility measurements. However, the main reason for the anomaly of the thermal conductivity could be explained by a strong spin-lattice coupling in this system what is in agreement with the preliminary X-band ESR measurement.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
0035013

Ustanove
Institut za fiziku, Zagreb

Časopis indeksira:


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


Uključenost u ostale bibliografske baze podataka:


  • INSPEC


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