Density of state effective mass and related charge transport properties in K-doped BiCuOSe

Dong Sun Lee, Tae Ho An, Mahn Jeong, Hyoung Seuk Choi, Young Soo Lim, Won Seon Seo, Cheol Hee Park, Chan Park, Hyung Ho Park

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Abstract

We report the enhanced p-type conduction properties in BiCuOSe by doping of monovalent ions (K+). As compared with undoped BiCuOSe, simultaneous increase in both the carrier concentration and the Hall mobility was achieved in the K-doped BiCuOSe. The origin of the enhancement was discussed in terms of the two-band structure in the valence band of the BiCuOSe, and the density of state effective masses of the heavy (∼1.1 me) and light hole (∼0.18 me) were estimated by using Pisarenko relation.

Original languageEnglish
Article number232110
JournalApplied Physics Letters
Volume103
Issue number23
DOIs
Publication statusPublished - 2013 Dec 2

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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    Sun Lee, D., An, T. H., Jeong, M., Choi, H. S., Soo Lim, Y., Seo, W. S., Park, C. H., Park, C., & Park, H. H. (2013). Density of state effective mass and related charge transport properties in K-doped BiCuOSe. Applied Physics Letters, 103(23), [232110]. https://doi.org/10.1063/1.4837475