The thermoluminescence (TL), optically stimulated luminescence (OSL) and afterglow (AG) properties of chemical vapour deposition (CVD) diamond film irradiated by beta rays with doses from 0.5 to 1000 Gy have been studied. The film (23mm) was grown for 47 h on monocrystalline silicon. The TL dose responses are similar for all the peaks and exhibit the typical linear–supralinear–sublinear behavio...

We report on the operation of a third sound resonator for use with saturated superfluid helium films. Measurements of superfluid 4He third sound velocities as a function of film thickness are described for films ranging in thickness from 26 nm to 85 nm. The film resides on the gold-covered surface of a 38 mm diameter copper disk, which has been machined with a diamond-tipped cutting tool, and h...

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Free standing diamond thin films grown by the oxyracetylene frame method have been investigated by X-ray photoelectron spectroscopy (XPS) and Auger electron spectroscopy (AES). The radial distribution of the sp2-hybridized carbon species on the films and, consequently, the film quality, have been determined. While XPS does not seem to be an appropriate technique to distinguish between very smal...

Abstract A comprehensive review is presented on the advances achieved in past years fundamental and applied materials science of diamond films engineering to integrate them into new generations microelectromechanical system (MEMS) nanoelectromechanical systems (NEMS). Specifically, focuses describing performed develop thin film synthesis processes characterization chemical, mechanical, tribolog...

Ar/CH4/H2 gas mixtures have been used in an attempt to deposit nanocrystalline (NCD) diamond and ultra-nanocrystalline (UNCD) diamond films using hot filament (HF) chemical vapour deposition (CVD). A detailed composition map has been developed for the type of films deposited in the Ar/CH4/H2 system. It was found that the standard gas mixtures of 1%CH4/Ar (+1–2%H2) that are used successfully to ...