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Stretched-exponential relaxation arising from dispersive diffusion of hydrogen in amorphous silicon
Abstract
In this paper we find that the stretched-exponential relaxation commonly observed in disordered systems is explained by time-dependent atomic diffusion. The relaxation is observed in the electronic properties of hydrogenated amorphous silicon (a-Si:H), a ``hydrogen glass'' material, and reflects the equlibration of localized electronic states. The relaxation is attributed to the motion of bonded hydrogen which exhibits dispersive diffusion with a characteristic power-law time dependence. A quantitative relation between the relaxation and the diffusion is established.
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Cited by
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Stretched exponential relaxation in molecular and electronic glasses
Phillips, J. C. (1996) · Reports on Progress in Physics · doi:10.1088/0034-4885/59/9/003 · Cited by 938
Akimov, A. V., & Prezhdo, O. V. (2014) · Journal of Chemical Theory and Computation · doi:10.1021/ct400934c · Cited by 608
A physical model for drift in pH ISFETs
Jamasb, S., Collins, S., & Smith, R. L. (1998) · Sensors and Actuators B: Chemical · doi:10.1016/s0925-4005(98)00040-9 · Cited by 239
Metadata
- Authors
- Kakalios, J., Street, R. A., & Jackson, W. B.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1987-08-31
- Volume
- 59
- Issue
- 9
- Pages
- 1037-1040
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W1968759897
- Cited by
- 621
- References
- 0
- FWCI
- 35.75
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Stretched-exponential relaxation arising from dispersive diffusion of hydrogen in amorphous silicon. https://app.cochat.ai/papers/10.1103/physrevlett.59.1037
- The paper
- Kakalios, J., Street, R. A., & Jackson, W. B. (1987). Stretched-exponential relaxation arising from dispersive diffusion of hydrogen in amorphous silicon. Physical Review Letters. https://doi.org/10.1103/physrevlett.59.1037
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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