31P NMR Study of Filled Skutterudite CeOs4P12

Autor:	Takahito Saito, Hitoshi Sugawara, K Magishi, K Koyama
Rok vydání:	2012
Předmět:	History Materials science Band gap Analytical chemistry engineering.material Computer Science Applications Education Crystallography Electrical resistivity and conductivity High pressure engineering Positive temperature Skutterudite Crystallite Single crystal
Zdroj:	Journal of Physics: Conference Series. 391:012039
ISSN:	1742-6596 1742-6588
DOI:	10.1088/1742-6596/391/1/012039
Popis:	We report the results of the electrical resistivity ρ(T) and the 31P-NMR measurements on filled skutterudite CeOs4P12 in order to investigate the magnetic properties at low temperatures from a microscopic point of view. For the polycrystalline sample synthesized under high pressure (HP), ρ(T) increases with decreasing temperature. On the other hand, for the single crystal (SC), ρ(T) reveals a positive temperature dependence between room temperature and 200 K, and increases with decreasing temperature below 200 K. Also, 1/T1 obeys the activated temperature dependence 1/T1 ∝ exp(−Δ/kBT) above 160 K with an energy gap Δ/fB ~ 500 K and 540 K for the HP and the SC samples, which are slightly larger than that of a previous report.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::366f6263144dec1d467177dc77ed371b https://doi.org/10.1088/1742-6596/391/1/012039 Zobrazit plný text záznamu