VOLUME 35, NUMBER 6, PART II DECEMBER 1997



Low Temperature Phase Transition of
Triglycine Sulfate Studied by Raman Scattering



C. K. Sheen1, T. C. Chow1, M. L. Hu1, Y. D. Juang1, W. S. Tse1, and S. J. Lin2

1 Institute of Physics, Academia Sinica, Taipei, Taiwan 115, R.O.C.
2 Shu-The Junior College of Technology and Commerce,
Taichung, Taiwan 400, R.O.C.


(Received November 10, 1997)


Raman Studies of Triglycine Sulfate (TGS) crystals were observed in the temperature range between 10 and 300 K. The Raman spectral results indicate the possible existence of two low temperature phase transitions at 110 K and 60 K, respectively.



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