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Gwizdałła, Tomasz M.; Czerbniak, J.

doi:10.1023/a:1021225305158

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1998

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(2 citation statements)

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“…Our results [17] show that such a number is sufficient to treat the sample as a macroscopic one, in the sense that inner layers have the properties of bulk of crystal.…”

Section: Numerical Resultsmentioning

confidence: 66%

“…(a) calculation for bulk -this corresponds to the situation, when the elements of dynamical matrix do not depend on the number n, which labels the layers in a sample; (b) calculation for surface -the values of matrix elements are for surface and subsurface layers reduced by the value connected with the excess of atoms over the surface [17];…”

Section: Numerical Resultsmentioning

confidence: 99%

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Pre-Melting in Cubic Structure with Relaxation

Gwizdałła

Czerbniak

1998

Acta Phys. Pol. A

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We study the effect of melting of well-defined crystal surface within the frame of theory of atomic vibrations in harmonic approximation. We find that for two types of cubic crystal lattice: face centered cubic and body centered cubic, we may expect the existence of pre-melting. It is also shown that the occurrence or absence of surface melting depends strongly on the relaxation of lattice constant.

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“…Our results [17] show that such a number is sufficient to treat the sample as a macroscopic one, in the sense that inner layers have the properties of bulk of crystal.…”

Section: Numerical Resultsmentioning

confidence: 66%

Section: Numerical Resultsmentioning

confidence: 99%