Mossbauer spectra of 119Sn in the gapfree state of a semiconductor
Baltrunas D. I. , Moteyunas S. V. , Starik P. M. , Mikityuk V. I.
A decrease in the probability for the Mossbauer effect by ~40% has been detected near the band-inversion point in the system of narrow-gap semiconductors (SnTe)A (PbSe), _x. This result is attributed to a structural change in the phonon spectrum due to a strong electron-phonon interaction.