Insulator-to-metal transition in (R,Ca)VO(3)

M.H. Sage, G.R. Blake, T.T.M. Palstra

Research output: Contribution to journalArticleAcademicpeer-review

24 Citations (Scopus)


We have carried out a comprehensive study of the transport and thermodynamic properties of R1−xCaxVO3 (R=Pr, Sm, and Y), obtaining detailed information on the nature of the insulator-metal transition induced by Ca doping. The behavior of the electronic term of the specific heat as a function of doping indicates that the transition is achieved by the use of band-filling control. We find that disorder plays an important role in the transition, which is manifested by weak localization effects in the vicinity of the critical doping level. The metallic state in all three materials is characterized by the presence of strong electron correlations.
Original languageEnglish
Article number155121
Number of pages8
JournalPhysical Review B (Condensed Matter and Materials Physics)
Publication statusPublished - 18 Apr 2008


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