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Charge transfer bands of NH4Cl:Cu2+: Influence of the phase transition

✍ Scribed by A.G. Breñosa; M. Moreno; F. Rodriguez


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
426 KB
Volume
63
Category
Article
ISSN
0038-1098

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Analysis of the Raman frequencies close
✍ H. Yurtseven; T.U. Tuzer 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 137 KB

This study gives our analysis of the Raman frequencies for the lattice modes of m 5 TO(174 cm À1 ), m 5 TO(144 cm À1 ) and m 7 TA(93 cm À1 ), and an internal mode of m 2 (1708 cm À1 ) as functions of temperature in NH 4 Cl close to its k-phase transition (T k = 241.2 K, P = 0). This analysis is perf