We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Investigation of thermophysical characteristics of SrMoO crystals, nominally pure and doped with rare earth ions.
- Authors
Popov, P.; Skrobov, S.; Matovnikov, A.; Ivleva, L.; Dunaeva, E.; Shekhovtsov, A.; Kosmyna, M.
- Abstract
Thermophysical characteristics of SrMoO crystals (grown by the Czochralski method from intrinsic melts), nominally pure and doped with rare earth ions, have been investigated. The temperature and concentration dependences of the thermal conductivity are obtained for SrMoO samples containing Nd (0.28, 0.56, 0.84, and 1.33 at %), Pr (0.01 and 0.41 at %), Ho (0.01 and 0.06 at %), and Ho (0.13 at %) + Tm (0.13 at %) in a temperature range of 50-300 K. The thermal conductivities are measured in the directions parallel and/or perpendicular to the crystal optical axis. The thermal conductivity of nominally pure SrMoO at 300 K in the direction perpendicular to the c axis has been found to be 4.2 W/(m K). The introduction of impurities of rare earth metals reduces the thermal conductivity of SrMoO crystals. The anisotropy of the thermal conductivity is weak. The measured molar specific heat C( T) of a nominally pure SrMoO crystal is 116.2 J/(mol K) at 300 K. The temperature dependence of the phonon mean free path l( T) in a SrMoO crystal is calculated for the temperature range of 80-300 K based on experimental data.
- Subjects
METAL crystal growth; DOPING agents (Chemistry); THERMAL conductivity of metals; CRYSTAL optics; ANISOTROPY
- Publication
Crystallography Reports, 2015, Vol 60, Issue 6, p915
- ISSN
1063-7745
- Publication type
Article
- DOI
10.1134/S1063774515060267