Verma, P. K.; Saha, Surajit; Muthu, D. V. S.; SINGH, SURJEET; Suryanarayanan, R.; Revcolevschi, A.; Waghmare, U. V.; Sood, A. K.; Krishnamurthy, H. R.
(American Physical Society, 2022-10)
We present Raman spectroscopic as well as first-principles theoretical studies of the temperature dependence of phonon spectra in the pyrochlore Y2Ti2O7. Our experimental results show that the frequencies of several phonons ...