INVESTIGADORES
SERQUIS Adriana Cristina
artículos
Título:
Low temperature elastic constants of polycrystalline MgB2
Autor/es:
U. HARMS; A. SERQUIS; R. B. SCHWARZ; V. F. NESTERENKO
Revista:
JOURNAL OF SUPERCONDUCTIVITY
Editorial:
Plenum Publishing Corporation
Referencias:
Año: 2003 vol. 16 p. 941 - 944
ISSN:
0896-1107
Resumen:
We have used a resonant ultrasound spectroscopy technique to measure the bulk and shearmodulus of fully dense, polycrystalline MgB2 between 4 and 300 K. Both moduli show goodagreement with published first principle calculations. The internal friction shows a broadmaximum around 40 K.