Far Infrared Properties of Disordered SolidsCornell University, 1995 - 684 pages |
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Stephen Andrew FitzGerald. A. J. Kin FAR INFRARED PROPERTIES OF DISORDERED SOLIDS Stephen Andrew FitzGerald , Ph.D. Cornell University 1995 Far - infrared ( far - ir ) ... far - ir absorption measurements while the reststrahlen spectra of ZnS - ...
Stephen Andrew FitzGerald. A. J. Kin FAR INFRARED PROPERTIES OF DISORDERED SOLIDS Stephen Andrew FitzGerald , Ph.D. Cornell University 1995 Far - infrared ( far - ir ) ... far - ir absorption measurements while the reststrahlen spectra of ZnS - ...
Page 231
... Far - ir Absorption in C60 and Czo At 1.4 K two absorption bands are observed in the C60 compact at 40.9 and 54.7 cm - 1 . Figure 4.6 shows the temperature dependent far - ir absorption spectrum for a typical degassed sample . On ...
... Far - ir Absorption in C60 and Czo At 1.4 K two absorption bands are observed in the C60 compact at 40.9 and 54.7 cm - 1 . Figure 4.6 shows the temperature dependent far - ir absorption spectrum for a typical degassed sample . On ...
Page 333
... 20.8 cm- 1. By 11 K the peak absorption associated with the 15.5 cm band has shifted to ~ 17.7 cm - 1 . The presence of the rapidly growing 20.8 cm - 1 band makes it Figure B.1 Temperature dependence of the far - ir absorption 333.
... 20.8 cm- 1. By 11 K the peak absorption associated with the 15.5 cm band has shifted to ~ 17.7 cm - 1 . The presence of the rapidly growing 20.8 cm - 1 band makes it Figure B.1 Temperature dependence of the far - ir absorption 333.
Contents
Introduction | 7 |
Twolevel Systems in Fluorite Mixed Crystals | 9 |
Farinfrared Impurity Modes in Doped Alkaline Earth Fluoride | 125 |
Copyright | |
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Common terms and phrases
1.4 K absorption A. J. Sievers absorption bands Absorption coefficient cm-1 absorption spectra absorption strength amorphous materials Amorphous Solids annealed as-grown BaF2 CaF2 doped cell change in absorption Chem clusters cm-ยน cm-1 band concentration dependence concentration samples cryostat curves decrease defect structure degassed density dielectric constant distribution of TLS's dopant concentration dopant ion doped sample doublet energy-loss function excited state transitions far-ir absorption Figure fill fraction fluorite mixed crystals Frequency cm-1 frequency dependence fullerenes fullerite glass-like behavior H2O molecules heat treatment higher frequency higher temperatures increasing temperature ionic radius LaF3 lattice Lett librational longitudinal loss functions low concentration low frequency low temperature LST relation magnetic field measurements mixed crystal systems peak phonon Phys predicted quenched R3+ ions relaxation resonant mode reststrahlen shift in frequency shown in Fig solid spectrum symmetry temperature dependent absorption temperature induced change toluene transverse zero ZnS-diamond composites