Some notes on the selection of structural chirality by CBED

Andrew Johnson; A.R. Preston

doi:10.1016/0304-3991(94)90071-X

Some notes on the selection of structural chirality by CBED

Andrew Johnson, A.R. Preston

Centre for Microscopy, Characterisation & Analysis

Research output: Contribution to journal › Letter

9 Citations (Scopus)

Abstract

A simple experimental indication of the Fourier coefficients which are sensitive to hand is given in CBED patterns by those non-zero Laue zone reflections which clearly break a mirror line that is present in the zero Laue zone. It has been found possible to determine the chirality of thin crystals of Ho2Ge2O7 and of Bi12GeO24 by interpreting the relative intensity of such reflections with a three-beam calculation. Multislice calculations which matched the experimental patterns gave the same chirality. It is found that projections which contain mirrors are the most practical to use since they can be easily aligned.

Original language	English
Pages (from-to)	348-355
Journal	Ultramicroscopy
Volume	55
DOIs	https://doi.org/10.1016/0304-3991(94)90071-X
Publication status	Published - 1994

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title = "Some notes on the selection of structural chirality by CBED",

abstract = "A simple experimental indication of the Fourier coefficients which are sensitive to hand is given in CBED patterns by those non-zero Laue zone reflections which clearly break a mirror line that is present in the zero Laue zone. It has been found possible to determine the chirality of thin crystals of Ho2Ge2O7 and of Bi12GeO24 by interpreting the relative intensity of such reflections with a three-beam calculation. Multislice calculations which matched the experimental patterns gave the same chirality. It is found that projections which contain mirrors are the most practical to use since they can be easily aligned.",

author = "Andrew Johnson and A.R. Preston",

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doi = "10.1016/0304-3991(94)90071-X",

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T1 - Some notes on the selection of structural chirality by CBED

AU - Johnson, Andrew

AU - Preston, A.R.

PY - 1994

Y1 - 1994

N2 - A simple experimental indication of the Fourier coefficients which are sensitive to hand is given in CBED patterns by those non-zero Laue zone reflections which clearly break a mirror line that is present in the zero Laue zone. It has been found possible to determine the chirality of thin crystals of Ho2Ge2O7 and of Bi12GeO24 by interpreting the relative intensity of such reflections with a three-beam calculation. Multislice calculations which matched the experimental patterns gave the same chirality. It is found that projections which contain mirrors are the most practical to use since they can be easily aligned.

AB - A simple experimental indication of the Fourier coefficients which are sensitive to hand is given in CBED patterns by those non-zero Laue zone reflections which clearly break a mirror line that is present in the zero Laue zone. It has been found possible to determine the chirality of thin crystals of Ho2Ge2O7 and of Bi12GeO24 by interpreting the relative intensity of such reflections with a three-beam calculation. Multislice calculations which matched the experimental patterns gave the same chirality. It is found that projections which contain mirrors are the most practical to use since they can be easily aligned.

U2 - 10.1016/0304-3991(94)90071-X

DO - 10.1016/0304-3991(94)90071-X

M3 - Letter

VL - 55

SP - 348

EP - 355

JO - Ultramicroscopy

JF - Ultramicroscopy

ER -

Some notes on the selection of structural chirality by CBED

Abstract

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