@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix matsci: <https://w3id.org/matsci-sam/metadata#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://w3id.org/matsci-sam/vocabulary/id4/band_gap> a skos:Concept ;
  skos:inScheme <https://w3id.org/matsci-sam/vocabulary/id4> ;
  skos:prefLabel "band gap"@en ;
  matsci:canonicalDefinition <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/1> ;
  skos:definition <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/1/revisions/1> ;
  skos:definition <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/2/revisions/1> ;
  skos:definition <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/3/revisions/1> ;
  skos:definition <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/4/revisions/1> ;
  dcterms:contributor "Colton Gerber" ;
  dcterms:contributor "gemma3" ;
  dcterms:contributor "Christopher Rauch" ;
  dcterms:created "2025-09-04"^^xsd:date .

<https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/1> a matsci:Definition ;
  dcterms:isPartOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap> ;
  matsci:definitionNumber "1"^^xsd:positiveInteger ;
  matsci:currentRevision <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/1/revisions/1> ;
  dcterms:hasVersion <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/1/revisions/1> ;
  dcterms:created "2025-09-04T15:37:36.091Z"^^xsd:dateTime .

<https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/1/revisions/1> a matsci:DefinitionRevision ;
  rdf:value "The energy it takes to excite an electron from the top of the valence band to the bottom of the conduction band. Among other things, this dictates what wavelengths of light are absorbed by a material."@en ;
  skos:example "The band gap of Si is 1.1 eV, so it starts absorbing in the infrared spectrum but also absorbs higher-energy visible and UV light."@en ;
  dcterms:isVersionOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/1> ;
  prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/1> ;
  dcterms:creator "Colton Gerber" ;
  matsci:version "1"^^xsd:positiveInteger ;
  matsci:status "community-reviewed" ;
  dcterms:created "2025-09-04T15:37:36.091Z"^^xsd:dateTime .

<https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/2> a matsci:Definition ;
  dcterms:isPartOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap> ;
  matsci:definitionNumber "2"^^xsd:positiveInteger ;
  matsci:currentRevision <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/2/revisions/1> ;
  dcterms:hasVersion <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/2/revisions/1> ;
  dcterms:created "2025-09-04T15:37:45.217Z"^^xsd:dateTime .

<https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/2/revisions/1> a matsci:DefinitionRevision ;
  rdf:value "The energy difference between the valence band and the conduction band in a semiconductor material."@en ;
  skos:example "Gallium Arsenide (GaAs) has a relatively small band gap of 1.4 eV, making it suitable for high-frequency electronic devices."@en ;
  dcterms:isVersionOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/2> ;
  prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/2> ;
  dcterms:creator "gemma3" ;
  matsci:version "1"^^xsd:positiveInteger ;
  matsci:status "proposed" ;
  dcterms:created "2025-09-04T15:37:45.217Z"^^xsd:dateTime .

<https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/3> a matsci:Definition ;
  dcterms:isPartOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap> ;
  matsci:definitionNumber "3"^^xsd:positiveInteger ;
  matsci:currentRevision <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/3/revisions/1> ;
  dcterms:hasVersion <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/3/revisions/1> ;
  dcterms:created "2026-09-03T19:24:15.751Z"^^xsd:dateTime .

<https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/3/revisions/1> a matsci:DefinitionRevision ;
  rdf:value "The energy difference between the top of the valence band and the bottom of the conduction band in a semiconductor or insulator, determining the material's electrical conductivity."@en ;
  dcterms:isVersionOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/3> ;
  prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/3> ;
  dcterms:creator "Christopher Rauch" ;
  matsci:version "1"^^xsd:positiveInteger ;
  matsci:status "proposed" ;
  dcterms:created "2026-09-03T19:24:15.751Z"^^xsd:dateTime .

<https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/4> a matsci:Definition ;
  dcterms:isPartOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap> ;
  matsci:definitionNumber "4"^^xsd:positiveInteger ;
  matsci:currentRevision <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/4/revisions/1> ;
  dcterms:hasVersion <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/4/revisions/1> ;
  dcterms:created "2026-09-08T19:26:27.901Z"^^xsd:dateTime .

<https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/4/revisions/1> a matsci:DefinitionRevision ;
  rdf:value "The energy difference between the valence band and the conduction band in a material, representing the minimum energy required to excite an electron to a conductive state."@en ;
  dcterms:isVersionOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/4> ;
  prov:specializationOf <https://w3id.org/matsci-sam/vocabulary/id4/band_gap/definitions/4> ;
  dcterms:creator "Colton Gerber" ;
  matsci:version "1"^^xsd:positiveInteger ;
  matsci:status "proposed" ;
  dcterms:created "2026-09-08T19:26:27.901Z"^^xsd:dateTime .