2006-09-28 03:51:23 +08:00
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# Stillinger-Weber parameters for various elements and mixtures
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2006-10-13 04:37:55 +08:00
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# multiple entries can be added to this file, LAMMPS reads the ones it needs
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2006-11-04 01:09:44 +08:00
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# these entries are in LAMMPS "metal" units:
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# epsilon = eV; sigma = Angstroms
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# other quantities are unitless
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2006-09-28 03:51:23 +08:00
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2006-11-04 01:09:44 +08:00
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# format of a single entry (one or more lines):
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# element 1, element 2, element 3,
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# epsilon, sigma, a, lambda, gamma, costheta0, A, B, p, q
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2006-10-13 04:37:55 +08:00
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2007-01-18 08:26:12 +08:00
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# Here are the original parameters in metal units, for Silicon from:
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#
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# Stillinger and Weber, Phys. Rev. B, v. 31, p. 5262, (1985)
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#
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2006-11-04 01:09:44 +08:00
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Si Si Si 2.1683 2.0951 1.80 21.0 1.20 -0.333333333333
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7.049556277 0.6022245584 4.0 0.0
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