MOSSBAUER STUDY OF LASER-ANNEALED Tb-Fe FILMS FOR MAGNETO-OPTIC RECORDING

I Magneto - optic recording

With the continued advance in the design and production of small solid state lasers and associated optics, future systems designed to achieve very-high-density storage of digital information are likely to become increasingly dependent on sophisticated optical technology. Non-erasable storage systems that have been accepted for many years (WORM, CD-ROM and so on) show a continuous growth of appl...

Magneto-optic Laser Beam Steering

Dynamics of the solidification of laser-annealed Si thin films

Nanosccond time-resolved reflectivity and transmis~ion measurements are uscd for the observation of solidification phenomena, following incornpletc or complete rneltrng of thin Si films ( d = 125 nm) by nanosecond laser pulses. Solidification is observed to proceed at the liquid-solid interface as Tong as the film is not melted completely. OR complete melting of the film, nucleation in the liqu...

BULK AND THIN FILMS OF FeTe: A MOSSBAUER STUDY

Mossbauer Spectroscopy of 57 Fe Dennis

Using recoilless Mossbauer spectroscopy methods, we investigate the atomic absorption spectra of the 14.4keV transition in Fe compounds. The natural linewidth of this transition is determined to the correct order of magnitude with χν = .75. Hyperfine energy shifts in iron oxide and iron sulfate are investigated and measured. The ratio of ground and excited state magnetic moment in Fe is found t...