Evolutions of low-frequency Raman scattering spectrum, thermal and elastic properties of dehydrated polyacrylamide gel with increasing temperature

1999 ◽  
Vol 263-264 ◽  
pp. 350-352 ◽  
Author(s):  
K Hara ◽  
A Nakamura ◽  
N Hiramatsu ◽  
A Matsumoto
2012 ◽  
Vol 39 (5) ◽  
pp. 0504004
Author(s):  
刘书朋 Liu Shupeng ◽  
朱鸿飞 Zhu Hongfei ◽  
陈娜 Chen Na ◽  
陈振宜 Chen Zhenyi ◽  
胡玲 Hu Ling

2004 ◽  
Vol 46 (7) ◽  
pp. 1311-1319 ◽  
Author(s):  
S. N. Krylova ◽  
A. N. Vtyurin ◽  
A. Bulou ◽  
A. S. Krylov ◽  
N. G. Zamkova

1988 ◽  
Vol 02 (05) ◽  
pp. 707-711 ◽  
Author(s):  
JINGQING LIU ◽  
YIFENG YAN ◽  
TANG ZHOU ◽  
GUANGCAN CHE ◽  
DAWEI CHANG ◽  
...  

We report both infrared transmission and Raman scattering results on the new superconducting Bi-Sr-Ca-Cu-O system. Because of its layered structure along c axis, some very thin and transparent slices have been got. In the infrared spectrum there is an absorption band around 500cm−1 with a width of about 300cm−1, and a vibrational mode at 840cm−1, higher frequency than those of phonon modes in Y-Ba-Cu-O system, has also been observed. The Raman scattering spectrum shows similar results, but the scattering signals are very weak because of the strong absorption in visible of this system.


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