Journal
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
Volume 85, Issue 1, Pages -Publisher
PHYSICAL SOC JAPAN
DOI: 10.7566/JPSJ.85.013703
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Funding
- JSPS [25287090]
- Grants-in-Aid for Scientific Research [25287090] Funding Source: KAKEN
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We studied the thermal transport properties of transition-metal oxides, which have partially filled t(2g) orbitals of transition metals and exhibit intriguing phase transitions caused by orbital/charge ordering. We found that the temperature (T) dependence of the phonon thermal conductivity kappa(p) exhibits a universal behavior for all compounds; kappa(p)(T) decreases with decreasing T above the transition temperature T-c, whereas it is enhanced below T-c. This result implies that orbital/charge ordering in transition-metal oxides can be characterized by a unique T dependence of the phonon thermal conductivity.
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