# crystallography

> scientific study of crystal structures

**Wikidata**: [Q160398](https://www.wikidata.org/wiki/Q160398)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Crystallography)  
**Source**: https://4ort.xyz/entity/crystallography

## Summary
Crystallography is the scientific study of crystal structures, focusing on the arrangement of atoms in crystalline solids and their properties. It is a branch of physics and an academic discipline that intersects with mineralogy, materials science, and chemistry, providing foundational insights into the composition and behavior of materials.

## Key Facts
- **Definition**: Crystallography is the scientific study of crystal structures, including their atomic arrangement and properties.
- **Discipline Classification**: It is a branch of physics and an academic discipline.
- **Related Fields**: Closely connected to mineralogy, materials science, powder diffraction, electron crystallography, and X-ray scattering techniques.
- **Notable Figures**: Key contributors include Dorothy Hodgkin (British chemist), Max von Laue (German physicist and Nobel laureate), William Henry Bragg (British scientist), and Ada Yonath (Israeli chemist).
- **Historical Context**: Christian Samuel Weiss (1780–1856) and Friedrich Mohs (1773–1839) were early pioneers in the field.
- **Techniques**: Utilizes methods such as powder diffraction, electron crystallography, and X-ray scattering.
- **Applications**: Essential for understanding crystallographic defects, crystal chemistry, and the Goldschmidt tolerance factor.
- **Identifiers**: Cataloged under numerous international identifiers, including GND (4033217-2), LCCN (sh85034498), and MeSH (D003461).
- **Multilingual Titles**: Known as "kristallografie" (German), "cristallografìa" (Italian), and "krystallografi" (Norwegian).
- **Wikidata Instance**: Classified as Q4162444, Q11790203, and Q11862829, and is a subclass of Q2346 (physics) and Q83353 (academic discipline).
- **Sitelink Count**: 84 across various language Wikipedias.

## FAQs
**What is crystallography?**
Crystallography is the scientific study of crystal structures, focusing on the arrangement of atoms in crystalline solids and their properties. It is a branch of physics and an academic discipline that intersects with mineralogy, materials science, and chemistry.

**Who are some notable figures in crystallography?**
Key contributors include Dorothy Hodgkin (British chemist), Max von Laue (German physicist and Nobel laureate), William Henry Bragg (British scientist), and Ada Yonath (Israeli chemist). Other notable figures are Christian Samuel Weiss (1780–1856) and Friedrich Mohs (1773–1839).

**What techniques are used in crystallography?**
Crystallography utilizes methods such as powder diffraction, electron crystallography, and X-ray scattering techniques to study crystal structures and their properties.

**How is crystallography related to other scientific fields?**
Crystallography is closely connected to mineralogy, materials science, and chemistry. It also intersects with fields like powder diffraction, electron crystallography, and X-ray scattering techniques.

**What are some applications of crystallography?**
Crystallography is essential for understanding crystallographic defects, crystal chemistry, and the Goldschmidt tolerance factor. It provides foundational insights into the composition and behavior of materials.

## Why It Matters
Crystallography is crucial for advancing our understanding of materials at the atomic level. It plays a vital role in fields like mineralogy, materials science, and chemistry, enabling the development of new materials and technologies. By studying crystal structures, crystallography helps in the discovery and design of physical materials, contributing to advancements in various scientific and industrial applications.

## Notable For
- **Scientific Study**: Crystallography is the scientific study of crystal structures, focusing on the arrangement of atoms in crystalline solids.
- **Interdisciplinary Field**: It intersects with mineralogy, materials science, and chemistry, providing foundational insights into the composition and behavior of materials.
- **Notable Figures**: Key contributors include Dorothy Hodgkin, Max von Laue, William Henry Bragg, and Ada Yonath.
- **Techniques**: Utilizes methods such as powder diffraction, electron crystallography, and X-ray scattering techniques.
- **Applications**: Essential for understanding crystallographic defects, crystal chemistry, and the Goldschmidt tolerance factor.
- **Historical Context**: Early pioneers like Christian Samuel Weiss and Friedrich Mohs laid the groundwork for the field.
- **Identifiers**: Cataloged under numerous international identifiers, including GND, LCCN, and MeSH.
- **Multilingual Titles**: Known by various names in different languages, reflecting its global importance.

## Body

### Core Definition and Scope
Crystallography is the scientific study of crystal structures, focusing on the arrangement of atoms in crystalline solids and their properties. It is a branch of physics and an academic discipline that intersects with mineralogy, materials science, and chemistry. Crystallography provides foundational insights into the composition and behavior of materials, making it essential for various scientific and industrial applications.

### Related Fields and Techniques
Crystallography is closely connected to several related fields and techniques. Mineralogy is the scientific study of minerals, while materials science focuses on the research, discovery, and design of physical materials, especially solids. Powder diffraction is an experimental method in X-ray diffraction, and electron crystallography is another technique used in the field. X-ray scattering techniques are a family of non-destructive analytical methods essential for studying crystal structures.

### Notable Figures
Key contributors to crystallography include Dorothy Hodgkin, a British chemist known for her work on the structures of biochemical substances. Max von Laue, a German physicist and Nobel laureate, made significant contributions to the field. William Henry Bragg, a British scientist, is renowned for his work on X-ray crystallography. Ada Yonath, an Israeli chemist, is another notable figure in the field. Early pioneers like Christian Samuel Weiss (1780–1856) and Friedrich Mohs (1773–1839) laid the groundwork for crystallography.

### Historical Context
The history of crystallography is marked by the contributions of numerous influential scientists. Christian Samuel Weiss, a German mineralogist, and Friedrich Mohs, a German geologist and mineralogist, were early pioneers in the field. Their work laid the foundation for the study of crystal structures and their properties. Over the years, crystallography has evolved with contributions from scientists like Dorothy Hodgkin, Max von Laue, and Ada Yonath, who have advanced our understanding of crystal structures and their applications.

### Techniques and Methodologies
Crystallography employs a variety of techniques and methodologies to study crystal structures. Powder diffraction is an experimental method in X-ray diffraction that is essential for analyzing crystalline materials. Electron crystallography is another technique used to study the structure of crystals at the atomic level. X-ray scattering techniques are a family of non-destructive analytical methods that provide detailed information about the arrangement of atoms in crystalline solids. These techniques are crucial for understanding the properties and behavior of materials.

### Applications and Significance
Crystallography has numerous applications and is essential for understanding crystallographic defects, which are disruptions of the periodicity of a crystal lattice. Crystal chemistry is the study of the principles of chemistry behind crystals, and the Goldschmidt tolerance factor is used to determine the compatibility of an ion with a crystal structure. These applications are crucial for advancing our understanding of materials and their properties, making crystallography a vital field in scientific research and industrial applications.

### Identifiers and Classification
Crystallography is cataloged under numerous international identifiers and classification systems. It is assigned the GND number 4033217-2 and the LCCN number sh85034498. The BNF identifier is 11958726f, and the NDL number is 00565652. In the MeSH database, it is identified as D003461. The Wikidata entity is Q4162444, and it is also associated with Q11790203 and Q11862829. It is a subclass of Q2346 (physics) and Q83353 (academic discipline). The entity has a sitelink count of 84 across various language Wikipedias.

### Multilingual and Media Presence
The field is known by various names in different languages, reflecting its global importance. These include "kristallografie" in German, "cristallografìa" in Italian, and "krystallografi" in Norwegian. The entity is associated with specific media assets, including the image "Crystal lattice composition.png" and "Crystallography.jpg". It also has an audio file associated with it: "LL-Q1321 (spa)-ElsaBornFree-química analítica.wav".

### Academic and Professional Context
Crystallography is taught at academic institutions worldwide and is a focus of academic study leading to degrees. It is classified as an academic discipline and an academic major. The field is linked to the occupation of chemist, with many of its notable figures holding this title. It intersects with other fields such as biomonitoring, which involves the measurement of the body burden of toxic chemical compounds. The discipline is also connected to the broader context of chemical warfare, environmental responsibility, and the ethical considerations of synthetic biology.

## References

1. Directory of Open Access Journals
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3. Freebase Data Dumps. 2013
4. Integrated Authority File
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11. [Source](https://vocabs.ardc.edu.au/viewById/316)
12. GF WordNet
13. [crystallography · GitHub Topics · GitHub](https://github.com/topics/crystallography)
14. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)