2003•Physics of the Solid StateRequires access
Observation of Bose condensation in (Pb0.4Sn0.6)0.86In0.14Te semiconductor solid solutions using Mössbauer spectroscopy
С. А. Немов, П. П. Серегин, Yu. V. Kozhanova, Vladimir P. Volkov, N. P. Seregin, Sobir M. Irkaev, D. V. Shamshur
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Abstract
73 As( 73 Ge) Mössbauer emission spectroscopy is used to ascertain that the transition of the (Pb 0.4 Sn 0.6 ) 0.86 In 0.14 Te solid solution to a superconducting state is accompanied by a change in electronic density at the cation sites, and spatial inhomogeneities in the Bose condensate of Cooper pairs are revealed.