Influence of the thermoelastic effect on the acoustic properties of pure metals at low temperatures

2006 ◽  
Vol 97 (3) ◽  
pp. 217-224 ◽  
Author(s):  
Vassilij Natsik ◽  
Pavel Pal-Val
Keyword(s):  
Low Temperatures ◽  
Acoustic Properties ◽  
Thermoelastic Effect ◽  
Pure Metals

Acoustic properties of glasses and polycrystals at very low temperatures

1996 ◽  
Vol 219-220 ◽  
pp. 247-250 ◽  
Author(s):  
P. Esquinazi ◽  
R. König ◽  
F. Pobell
Keyword(s):  
Low Temperatures ◽  
Acoustic Properties

Acoustic properties of amorphous metals at very low temperatures: Applicability of the tunneling model

2000 ◽  
Vol 61 (2) ◽  
pp. 1059-1067 ◽  
Author(s):  
M. A. Ramos ◽  
R. König ◽  
E. Gaganidze ◽  
P. Esquinazi
Keyword(s):  
Low Temperatures ◽  
Acoustic Properties ◽  
Amorphous Metals ◽  
Tunneling Model

ACOUSTIC PROPERTIES OF Nd2CuO4 AT LOW TEMPERATURES

1991 ◽  
Vol 05 (20) ◽  
pp. 1367-1375 ◽  
Author(s):  
V. D. FIL ◽  
G. A. ZVYAGINA ◽  
S. V. ZHERLITSYN ◽  
I. M. VITEBSKY ◽  
V. L. SOBOLEV ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Phase Transition ◽  
Low Temperatures ◽  
Acoustic Properties ◽  
Continuous Spin ◽  
Magnetic Subsystem ◽  
Magnetoelastic Coupling ◽  
Ferroelastic Phase Transition

Acoustic properties anomalies near the points of phase transition in the magnetic subsystem of Nd 2 CuO 4 have been studied. A spontaneous ferroelastic phase transition at T = 5 K and magnetic field induced ferroelastic phase transition (PT) associated with continuous spin reorientations at T < 0.5 K have been found. The exchange nature of magnetoelastic coupling is suggested.

LORENZ NUMBERS OF PURE ALUMINUM, SILVER, AND GOLD AT LOW TEMPERATURES

1963 ◽  
Vol 41 (12) ◽  
pp. 2026-2033 ◽  
Author(s):  
E. W. Fenton ◽  
J. S. Rogers ◽  
S. B. Woods
Keyword(s):  
Low Temperatures ◽  
Experimental Error ◽  
Pure Aluminum ◽  
Electron Interaction ◽  
Lorenz Number ◽  
Electrical Conductivities ◽  
Lattice Waves ◽  
Pure Metals

Measurements have been made of the thermal and electrical conductivities at low temperatures on specimens of pure aluminum, silver, and gold. The resistivities caused by scattering of the electrons by lattice waves and by impurities have been separated and the Lorenz number has been deduced for these specimens. The Lorenz number calculated from the impurity resistivities for these pure metals agrees with the theoretical Sommerfeld value within an experimental error of about [Formula: see text]. The possible influence of an electron–electron interaction on these results is discussed.

Acoustic properties of crystals at very low temperatures— Comparison with glasses

1996 ◽  
Vol 219-220 ◽  
pp. 305-307 ◽  
Author(s):  
G. Weiss ◽  
M. Hübner ◽  
J. Classen ◽  
C. Enss ◽  
S. Hunklinger
Keyword(s):  
Low Temperatures ◽  
Acoustic Properties
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