In 1959 Ted HOLSTEIN published his initial two papers about polarons [1,2]. The first of these companion papers concerns the formation of a polaron. The second addresses the motion of a small polaron. These papers have provided a clear conceptual base upon which to build. Nonetheless, within the quarter-of-a-century since their appearance, understanding of small-polaron formation and motion has changed considerably. The present paper describes a current view of how small polarons form and move. In addition, an interesting group of materials, the boron carbides, are taken to illustrate a recently observed novel feature of transport in polaronic systems.
KeywordsSpin Wave Boron Carbide Internal Bonding Vibrational Relaxation Small Polaron
Unable to display preview. Download preview PDF.
- 6.D. Emin, A. M. Kriman: Phys. Rev. (in press)Google Scholar
- 13.D. Emin: Comm. Sol. State. Phys. 11, 35, 59 (1983)Google Scholar
- 20.D. Emin: In Boron Rich Solids, ed. by D. Emin, C. L. Beckel, T. L. Aselage, I. A. Howard, C. Wood (American Institute of Physics, New York, 1986)Google Scholar
- 21.D. Emin: Physics Today (in press).Google Scholar
- 22.I. A. Howard, C. L. Beckel, D. Emin: In Boron Rich Solids, ed. by D. Emin, C. L. Beckel, T. L. Aselage, I. A. Howard, C. Wood (American Institute of Physics, New York, 1986)Google Scholar
- 26.D. Emin, E. L. Venturini: Bull. Am. Phys. Soc. 31, 300 (1986)Google Scholar