Search Results - "Nespolo, Massimo"

The ash heap of crystallography: restoring forgotten basic knowledge by Nespolo, Massimo

“…A critical analysis of some basic notions often overlooked in crystallographic education is presented to correct some common oversights occurring both in the…”
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CHARDI2015: charge distribution analysis of non-molecular structures by Nespolo, Massimo, Guillot, Benoît

“…The charge distribution method describes non‐molecular crystal structures in a Madelung‐type approach in which the formal oxidation number (`charge') of each…”
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Tips and traps on crystal twinning: how to fully describe your twin by Nespolo, Massimo

“…A series of guidelines (tips) to provide a satisfactory characterization of a twinned sample is provided, and a series of traps to avoid is pointed out. The…”
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Charge distribution as a tool to investigate structural details. IV. A new route to heteroligand polyhedra by Nespolo, Massimo

“…A new route to apply the charge distribution (CHARDI) method to structures based on heteroligand coordination polyhedra is presented. The previous algorithm…”
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Crystallographic shelves: space‐group hierarchy explained by Nespolo, Massimo, Aroyo, Mois Ilia, Souvignier, Bernd

“…Space groups are classified, according to different criteria, into types, classes, systems and families. Depending on the specific research topic, some of…”
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A practical approach to symmorphism by Nespolo, Massimo

“…A common misunderstanding in the nature of symmorphic space groups, often incorrectly defined as devoid of screw axes and glide planes, is pointed out and the…”
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Comment on the article 'Protein crystal lattices are dynamic assemblies: the role of conformational entropy in the protein condensed phase' by Nespolo, Massimo

“…A comment is given on Dimova & Devedjiev [ (2018), , 130-140]…”
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A note about the notion of chirality by Nespolo, Massimo

“…We discuss the use of the term “chiral group” in the literature. We stress the difference between the chirality of a crystal structure and that of a symmetry…”
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The crystallographic chameleon: when space groups change skin by Nespolo, Massimo, Aroyo, Mois I.

“…Volume A of International Tables for Crystallography is the reference for space‐group information. However, the content is not exhaustive because for many…”
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Application of the crystallographic orbit analysis to the study of twinned crystals. The example of marcasite by Nespolo, Massimo, Souvignier, Bernd

“…The continuity of a substructure across the interface is considered a necessary condition for the formation of a twin. The application of the analysis of the…”
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Does mathematical crystallography still have a role in the XXI century? by Nespolo, Massimo

“…Mathematical crystallography is the branch of crystallography dealing specifically with the fundamental properties of symmetry and periodicity of crystals,…”
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Crystal structure, XANES and charge distribution investigation of krennerite and sylvanite: analysis of Au—Te and Te—Te bonds in Au1–xAgxTe2 group minerals by Kitahara, Ginga, Yoshiasa, Akira, Tokuda, Makoto, Nespolo, Massimo, Hongu, Hidetomo, Momma, Koichi, Miyawaki, Ritsuro, Sugiyama, Kazumasa

“…The structure refinement and XANES study of two gold–silver–tellurides [Au1+xAgxTe2, krennerite (x = 0.11–0.13) and sylvanite (x = 0.29–0.31)] are presented…”
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The staurolite enigma solved by Marzouki, Mohamed Amine, Souvignier, Bernd, Nespolo, Massimo

“…Staurolite has been long considered an enigma because of its remarkable pseudosymmetry and the frequent twinning. Staurolite gives two twins whose occurrence…”
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Duality of spaces and the origin of integral reflection conditions by Nespolo, Massimo

“…The dualism between direct and reciprocal space is at the origin of well known relations between basis vectors in the two spaces. It is shown that when a…”
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Twinning of aragonite – the crystallographic orbit and sectional layer group approach by Marzouki, Mohamed‐Amine, Souvignier, Bernd, Nespolo, Massimo

“…The occurrence frequency of the {110} twin in aragonite is explained by the existence of an important substructure (60% of the atoms) which crosses the…”
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Analysis of the structural continuity in twinned crystals in terms of pseudo-eigensymmetry of crystallographic orbits by Marzouki, Mohamed Amine, Souvignier, Bernd, Nespolo, Massimo

“…The reticular theory of twinning gives the necessary conditions on the lattice level for the formation of twins. The latter are based on the continuation, more…”
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Crystal structure and XANES investigation of petzite, Ag3AuTe2 by Hongu, Hidetomo, Yoshiasa, Akira, Nespolo, Massimo, Tobase, Tsubasa, Tokuda, Makoto, Sugiyama, Kazumasa

“…Petzite, Ag3AuTe2, crystallizes in the space group I4132, which is a Sohncke type of space group where chiral crystal structures can occur. The structure…”
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Lattice versus structure, dimensionality versus periodicity: a crystallographic Babel? by Nespolo, Massimo

“…In this article, several mistakes occurring in the description of crystal structures are pointed out. (1) The term `lattice' is often used instead of…”
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The Bravais polar lattice as a didactic tool for diffraction beginners by Nespolo, Massimo, Souvignier, Bernd

“…When undergraduate students discover crystallography for the first time, they are usually already familiar with the phenomenon of diffraction as the `bending'…”
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The derivation of twin laws in non-merohedric twins. Application to the analysis of hybrid twins by Ferraris, Giovanni, Nespolo, Massimo

“…An algorithm is presented to derive the twin laws in non‐merohedric twins through the systematic search for quasi‐perpendicular lattice planes/directions. The…”
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