Orbital susceptibilities of PbSe quantum dots

Wen-Bin Jian*, Weigang Lu, Jiye Fang, S. J. Chiang, M. D. Lan, C. Y. Wu, Z. Y. Wu, F. R. Chen, J. J. Kai

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Different sizes of three-dimensional PbSe quantum dots have been synthesized for the study of orbital magnetic susceptibilities. Two types of orbital susceptibilities have been found, including the Curie susceptibility and finite-size corrections to the Landau susceptibility. The Curie term of a quantum dot manifests itself in the temperature dependence of magnetic susceptibility at low temperatures, while the field dependence of differential susceptibility at high temperatures shows finite-size corrections to the Landau susceptibility. Both of the two kinds of orbital susceptibility, estimated per quantum dot, show linear dependence on the size.

Original languageEnglish
Article number064711
Number of pages4
JournalJournal of Chemical Physics
Volume124
Issue number6
DOIs
StatePublished - 14 Feb 2006

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