TeO 2 glass of purity exceeding 98.5 mol.% has been made, despite earlier suggestions that
some 7.5–10 mol.% of modifier is required to form vitreous telluride networks. It is argued …

The adiabatic elastic constants of GaAs (n type carrier density 1.3* 10 16 cm-3) have been
obtained between 2 K and 320 K from measurements of ultrasonic wave velocities by the …

The orientational dependences of the Young's modulus and Poisson's ratio of the A7 structure
elements arsenic, antimony, and bismuth are investigated, using available experimental …

Electrical impedance measurements have been made in the frequency range 5 Hz to 10 MHz
in pure poly(ethylene oxide) having a molecular weight of 600,000 from 12 K nearly up to …

Measurements of the effects of hydrostatic and uniaxial pressures on ultrasonic wave
velocities have been used to determine the six third-order elastic constants of PbTe. The …

… PJ Ford GA Saunders … Saunders, GA and Lawson, AW Ultrasonic Determination of the …
Saunders, GA and Lawson, AW Ultrasonic Determination of the Superconducting Energy Gap in …

Pulse-echo-overlap measurements of ultrasonic wave velocity have been used to determine
the elastic stiffness moduli and related elastic properties of ceramic boron carbide (B 4 C) …

The six third order elastic constants of GaP have been obtained from measurements of the
effect of hydrostatic and uniaxial pressures on ultrasonic wave velocities. The valence force …

<p>It is now some 10 years since the first high-temperature superconductors were discovered.
This article describes the background leading to their discovery and the heady events of …

The elastic behavior has been studied of a bulk metallic glass of composition Pd 40 Ni 40 P
20, prepared by the recently developed technique of slow cooling from a dehydrated flux of …