Table 2.4.5.11

International
Tables for
Crystallography
Volume D
Physical properties of crystals
Edited by A. Authier

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International Tables for Crystallography (2006). Vol. D. ch. 2.4, p. 333

R. Vacher^a ^* and E. Courtens^a

^a Laboratoire des Verres, Université Montpellier 2, Case 069, Place Eugène Bataillon, 34095 Montpellier CEDEX, France
Correspondence e-mail: rene.vacher@ldv.univ-montp2.fr

Table 2.4.5.11 | top | pdf |
Hexagonal Laue class $[H{_2}]$ : transverse modes, backscattering

$[c_{66} = {\textstyle{1 \over 2}}(c_{11} - c_{12})]$ ; $[p_{66} = {\textstyle{1 \over 2}}(p_{11} - p_{12})]$ .

$[\hat{\bf Q}]$	C	$[{\bf e}']$	$[\beta]$
	$[c_{66}^{}]$		$[p_{16}^2 /c_{66}^{}]$
	$[c_{44}^{}]$	$[{\rm (0,0,1)}]$	$[p_{45}^2 /c_{44}^{}]$
$[(0,1,1)/\sqrt 2 ]$	$[{\textstyle{1 \over 2}}(c_{44}^{} + c_{66}^{})]$		$[p_{16}^2 /(c_{44}^{} + c_{66}^{})]$
$[(0,1,1)/\sqrt 2 ]$	$[{\textstyle{1 \over 2}}(c_{44}^{} + c_{66}^{})]$	$[(0,1, - 1)/\sqrt 2 ]$	$[[(n_1^2 + n_3^2)^2 /16n_1^4 n_3^4 C](n_1^2 p_{66}^{} - n_3^2 p_{44}')_{}^2 ]$