Premium
Low temperature ultrasonic investigation of ZnSe crystals doped with Ni
Author(s) -
Gudkov Vladimir,
Lonchakov Alexander,
Sokolov Victor,
Zhevstovskikh Irina,
Gruzdev Nikita
Publication year - 2005
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200409093
Subject(s) - dopant , ultrasonic sensor , materials science , doping , relaxation (psychology) , phase transition , absorption (acoustics) , modulus , condensed matter physics , elastic modulus , phase (matter) , analytical chemistry (journal) , thermodynamics , chemistry , composite material , optoelectronics , physics , organic chemistry , psychology , social psychology , acoustics
The peak of ultrasonic absorption observed at ≈13 K in ZnSe:Ni crystals with dopant concentration of 5.5 × 10 19 cm –3 was interpreted as due to the Jahn–Teller effect. The dynamic contribution to the effective elastic modulus was accounted for and the temperature dependences of relaxation time, relaxed and unrelaxed modulus C 44 were obtained. The procedure of accounting for the dynamic contribution resulted in a more accurate determination of the temperature of phase transition. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)