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Valence-Alternation Model for Localized Gap States in Lone-Pair Semiconductors
Abstract
A model is presented for the structure and properties of active centers in lone-pair semiconductors, based on the possibility of unique bonding configurations which can arise from the presence of nonbonding orbitals. It is shown that the lowest-energy neutral center is unstable towards the creation of different positively and negatively charged centers, thus resulting in a negative effective correlation energy. These centers yield gap states which explain the unusual properties of lone-pair semiconductors.
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Citations
Cited by
A.c. conduction in amorphous chalcogenide and pnictide semiconductors
Elliott, S. R. (1987) · Advances in Physics · doi:10.1080/00018738700101971 · Cited by 2,364
An overview of phase-change memory device physics
Le Gallo, M., & Sebastian, A. (2020) · Journal of Physics D: Applied Physics · doi:10.1088/1361-6463/ab7794 · Cited by 460
Metadata
- Authors
- Kastner, M., Adler, D., & Fritzsche, H.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1976-11-29
- Volume
- 37
- Issue
- 22
- Pages
- 1504-1507
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2045741123
- Cited by
- 1,318
- References
- 0
- FWCI
- 61.98
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Valence-Alternation Model for Localized Gap States in Lone-Pair Semiconductors. https://app.cochat.ai/papers/10.1103/physrevlett.37.1504
- The paper
- Kastner, M., Adler, D., & Fritzsche, H. (1976). Valence-Alternation Model for Localized Gap States in Lone-Pair Semiconductors. Physical Review Letters. https://doi.org/10.1103/physrevlett.37.1504
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
