Naslov
Thermal Conductivity of the quasi-one-dimensional crystal Nb4Te17I4

Autori
Smontara, Ana ; Bilušić, Ante ; Berger, Helmuth

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of the Thermal conductivity 24 and Thermal expansion 12 : joint conferences / Gaal, Peter S., Apostolescu, Daniela E. - Lancaster : Taylor & Francis, 1999, 182-189

ISBN
978-1-56676-711-3

Skup
Thermal conductivity (24 ; 1997) ; Thermal expansion (12 ; 1997) : joint conferences

Mjesto i datum
Pittsburgh (PA), Sjedinjene Američke Države, 26.10.1997. - 29.10.1997

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
electrical resistivity; thermal conductivity; quasi-one dimensional semiconductors
(electrical resistivity; thermal conductivityy; quasi-one dimensional semiconductors)

Sažetak
Thermal and electrical conductivity measurements of the newly synthesized quasi-one-dimensional crystal Nb4Te17I4 are reported in the temperature range 25K-340K. Electrical conductivity confirms its pseudo-one-dimensional character, while thermal conductivity indicates lattice heat transport in this polytelluride. Electrical conductivity shows a semiconducting behavior at room temperature, with a 3500K activation energy. Thermal conductivity shows a "crystalline-like" behavior. It obeys an exponential law, at the temperatures below Debye temperature, in agreement with theory which takes into account the umklapp scattering for the thermal transport.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

POVEZANOST RADA