Ewald's sphere

energy conservation during diffraction by atoms
Place geometric_construction Q440818
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Ewald's sphere

Summary

Ewald's sphere is a geometric construction[1]. It draws 44 Wikipedia views per month (geometric_construction category, ranking #3 of 3).[2]

Key Facts

  • Ewald's sphere is credited with the discovery of Paul Peter Ewald[3].
  • Ewald's sphere's instance of is recorded as geometric construction[4].
  • Paul Peter Ewald is named after Ewald's sphere[5].
  • Ewald's sphere's Commons category is recorded as Ewald's sphere[6].
  • Ewald's sphere's Freebase ID is recorded as /m/04ct13[7].
  • Ewald's sphere's represents is recorded as diffraction[8].
  • Ewald's sphere's facet of is recorded as crystallography[9].
  • Ewald's sphere's Encyclopædia Britannica Online ID is recorded as topic/Ewalds-sphere[10].
  • Ewald's sphere's studied by is recorded as materials science[11].
  • Ewald's sphere's Microsoft Academic ID is recorded as 166379852[12].

Body

Designation and Status

Ewald's sphere's instance of is recorded as geometric construction[4].

History and Context

Paul Peter Ewald is named after Ewald's sphere[5].

Why It Matters

Ewald's sphere draws 44 Wikipedia views per month (geometric_construction category, ranking #3 of 3).[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[13] It is known by 8 alternative names across languages and contexts.[14]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [3] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] . Wikidata sitelinks. wikidata.org.
  3. [14] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Ewald's sphere. Retrieved May 3, 2026, from https://4ort.xyz/entity/ewald-s-sphere
MLA “Ewald's sphere.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ewald-s-sphere.
BibTeX @misc{4ortxyz_ewald-s-sphere_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ewald's sphere}}, year = {2026}, url = {https://4ort.xyz/entity/ewald-s-sphere}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ewald's sphere — https://4ort.xyz/entity/ewald-s-sphere (retrieved 2026-05-03)

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