Distinction between space groups having principal rotation and screw axes, which are combined with twofold rotation axes, using the coherent convergent-beam electron diffraction method

Koh Saitoh; Kenji Tsuda; Masami Terauchi; Michiyoshi Tanaka

doi:10.1107/S0108767300014896

Distinction between space groups having principal rotation and screw axes, which are combined with twofold rotation axes, using the coherent convergent-beam electron diffraction method

Koh Saitoh, Kenji Tsuda, Masami Terauchi, Michiyoshi Tanaka

IMRAM - Division of Measurements

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

23 sets of space groups remain indistinguishable by the convergent-beam electron diffraction (CBED) method. Recently, Tsuda, Saitoh, Terauchi, Tanaka & Goodman [Acta Cryst. (2000), A56, 359-369] demonstrated that the coherent CBED method can distinguish two space-group pairs (I23, I2₁3) and (I222, I2₁2₁2₁) by observing the relative arrangements of 2-fold-rotation and 2₁-screw axes. The other ten space-group sets, which are composed of principal rotation and screw axes and other 2-fold-rotation axes such as P321 and P3₁21 (P3₂21), are shown to be distinguishable using the coherent CBED method.

Original language	English
Pages (from-to)	219-230
Number of pages	12
Journal	Acta Crystallographica Section A: Foundations of Crystallography
Volume	57
Issue number	3
DOIs	https://doi.org/10.1107/S0108767300014896
Publication status	Published - 2001 May

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title = "Distinction between space groups having principal rotation and screw axes, which are combined with twofold rotation axes, using the coherent convergent-beam electron diffraction method",

abstract = "23 sets of space groups remain indistinguishable by the convergent-beam electron diffraction (CBED) method. Recently, Tsuda, Saitoh, Terauchi, Tanaka & Goodman [Acta Cryst. (2000), A56, 359-369] demonstrated that the coherent CBED method can distinguish two space-group pairs (I23, I213) and (I222, I212121) by observing the relative arrangements of 2-fold-rotation and 21-screw axes. The other ten space-group sets, which are composed of principal rotation and screw axes and other 2-fold-rotation axes such as P321 and P3121 (P3221), are shown to be distinguishable using the coherent CBED method.",

author = "Koh Saitoh and Kenji Tsuda and Masami Terauchi and Michiyoshi Tanaka",

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Saitoh, K, Tsuda, K , Terauchi, M & Tanaka, M 2001, 'Distinction between space groups having principal rotation and screw axes, which are combined with twofold rotation axes, using the coherent convergent-beam electron diffraction method', Acta Crystallographica Section A: Foundations of Crystallography, vol. 57, no. 3, pp. 219-230. https://doi.org/10.1107/S0108767300014896

Distinction between space groups having principal rotation and screw axes, which are combined with twofold rotation axes, using the coherent convergent-beam electron diffraction method. / Saitoh, Koh; Tsuda, Kenji ; Terauchi, Masami et al.
In: Acta Crystallographica Section A: Foundations of Crystallography, Vol. 57, No. 3, 05.2001, p. 219-230.

Research output: Contribution to journal › Article › peer-review

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AB - 23 sets of space groups remain indistinguishable by the convergent-beam electron diffraction (CBED) method. Recently, Tsuda, Saitoh, Terauchi, Tanaka & Goodman [Acta Cryst. (2000), A56, 359-369] demonstrated that the coherent CBED method can distinguish two space-group pairs (I23, I213) and (I222, I212121) by observing the relative arrangements of 2-fold-rotation and 21-screw axes. The other ten space-group sets, which are composed of principal rotation and screw axes and other 2-fold-rotation axes such as P321 and P3121 (P3221), are shown to be distinguishable using the coherent CBED method.

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Distinction between space groups having principal rotation and screw axes, which are combined with twofold rotation axes, using the coherent convergent-beam electron diffraction method

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