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Figure 5
(a) The observed Si220 topography. (b), (c) and (d) show the calculated topographies of MIFMD, IFMD and IFMRB, respectively, for ka = 0.02 and [| {g'} | = 0.96]. Fringes in (d) are numbered as Bn ([n = 1,2,\ldots]) from xc to xmin, as the phase [\Delta\gamma_{\rm Br}] is zero at xc and becomes large as x decreases. The peak appears at a point x corresponding to [\Delta\gamma_{\rm Br} = \pi(2n-1)] in equation (37)[link].

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ISSN: 2053-2733
Volume 78| Part 5| September 2022| Pages 422-429
https://doi.org/10.1107/S2053273322006143
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