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Professor Emeritus ... Ph.D.: Harvard Robeson 303A (540)231-6712 FAX: (540)-231-7511 rzallen@vt.edu |
- Optical properties of solids
- Pressure effects
- Percolation theory
- Amorphous solids
- Semiconductors
- Layered (2d-network) crystals
- Cell patterns in morphogenesis
- Luminescence and the Hound of the Baskervilles
Selected
Publications
- "Jan Tauc, a biographical memoir of the National Academy of Sciences", M. Cardona, S. Nagel, R. Zallen, and K. Zaveta, NAS (2011).
- "Optical Studies of Nanophase Titania", R.J. Gonzalez and R. Zallen, in Amorphous insulators and Semiconductors, edited by M.F. Thorpe and M. Mitkova (Kluwer Academic Publishers, Dordrecht, 1997), p. 395.
- "The Optical Properties, Electronic Structure, and Photoconductivity of Arsenic Chalcogenide Layer Crystals", R. Zallen and D.F. Blossey, in Optical and Electrical Properties of Compounds with Layered Structures, edited by P. A. Lee. (Reidel publishers, Dordrecht, 1976), pp. 231-272.
- "Fundamental Absorption Edge of Trigonal HgS", R. Zallen, in II-VI Semiconducting Compounds, edited by D. G. Thomas (W. A. Benjamin Inc., New York, 1967), p. 877.
- "The Effect of Pressure on Optical Properties of the Noble Metals", R. Zallen, in Optical Properties and Electronic Structure of Metals and Alloys, edited by F. Abeles (North-Holland, Amsterdam, 1966), p. 164.
- “Raman Study of the Annealing-Induced Structural Evolution of an a-Si:H/a-Ge:H Superlattice”, S.T. Massie et al. in Proc. 22nd Int. Conf. on the Physics of Semiconductors, edited by D.J. Lockwood (World Scientific, Singapore, 1995), pp. 2709-2712.
- “Electrostatics
and Xerography”, R. Zallen, mini-chapter in Paul Tipler’s, textbook
Physics for Scientists and Engineers (Worth Publishers, New York,
1991), pp. 682-684.
- (Semiconductor) “Crystal Structures”, R. Zallen, in Handbook on Semiconductors, Vol. One, edited by W. Paul (North-Holland Publishing Company, Amsterdam, 1982), pp. 1-27.
- “Phonons in Two-Dimensional-Network Crystals”, R. Zallen, in Proc. 12th Int. Conf. on the Physics of Semiconductors (Teubner Press, Stuttgart, 1974), pp. 621-625.