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Raman modes of RNi2B2C (R=Lu, Ho, Y) single crystals

Authors
Park, Hyun-JungShin, Hye-SooLee, Hye-GyongYang, In-SangLee, Won ChoonB. K. ChoP. C. CanfieldD. C. Johnston
Issue Date
Feb-1996
Publisher
American Physical Society
Citation
Physical Review B - Condensed Matter and Materials Physics, v.53, no.5, pp 2237 - 2240
Pages
4
Journal Title
Physical Review B - Condensed Matter and Materials Physics
Volume
53
Number
5
Start Page
2237
End Page
2240
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/150743
DOI
10.1103/PhysRevB.53.2237
ISSN
0163-1829
Abstract
Results of Raman measurements on R Ni 2 B 2 C (R=Lu, Ho, Y) single crystals are reported. Raman peaks are observed at 190 cm − 1 and near 830 cm − 1 . From the polarization-dependence measurements, these peaks are assigned to be the Ni- B 1 g and the B- A 1 g modes, respectively. Raman study on the effects of boron isotope 10 B substitution for 11 B in the LuNi 2 B 2 C crystals confirms that the mode near 830 cm − 1 is due to the vibration of B atoms. However, from these single crystals, the expected Ni- E g and B- E g modes are not observed. © 1996 The American Physical Society.
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