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We describe an approach to directly image three-dimensional elemental distributions at the crystal-liquid interface with ~1 A spatial resolution. This method, based on the Fourier synthesis of X-ray standing wave data, is demonstrated by imaging the distribution of Sr 2+ , Zn 2+ and Y 3+ adsorbed to the rutile (110)-water interface with no a priori assumptions...
A simple method of cooling rate determination of Si samples in a radiative quench is presented. The method relies on monitoring of the LEED pattern of the Si(111) sample during quench and exact determination of the onset of the 1 × 1 – 7 × 7 phase transition using a videorecord of the process. The temperature decrease is found to be essentially linear and the cooling rate is constant over the temperature...
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