updated band gap

band gap is an energy + example given

Author: thnlrd

src/ontology/components/pmdco-materials.owl

@@ -131,6 +131,7 @@ Declaration(Class(<https://w3id.org/pmd/co/PMD_0020131>))
 Declaration(Class(<https://w3id.org/pmd/co/PMD_0020136>))
 Declaration(Class(<https://w3id.org/pmd/co/PMD_0020137>))
 Declaration(Class(<https://w3id.org/pmd/co/PMD_0020140>))
+Declaration(Class(<https://w3id.org/pmd/co/PMD_0020142>))
 Declaration(Class(<https://w3id.org/pmd/co/PMD_0020147>))
 Declaration(Class(<https://w3id.org/pmd/co/PMD_0020148>))
 Declaration(Class(<https://w3id.org/pmd/co/PMD_0020149>))
@@ -2108,8 +2109,9 @@ SubClassOf(<https://w3id.org/pmd/co/PMD_0090001> <http://purl.obolibrary.org/obo
 AnnotationAssertion(rdfs:label <https://w3id.org/pmd/co/PMD_0090002> "band gap"@en)
 AnnotationAssertion(<http://www.w3.org/2004/02/skos/core#altLabel> <https://w3id.org/pmd/co/PMD_0090002> "bandgap"@en)
 AnnotationAssertion(<http://www.w3.org/2004/02/skos/core#altLabel> <https://w3id.org/pmd/co/PMD_0090002> "energy gap"@en)
-AnnotationAssertion(<http://www.w3.org/2004/02/skos/core#definition> <https://w3id.org/pmd/co/PMD_0090002> "A bandgap is an energy range in a solid where no electronic states exist.")
-SubClassOf(<https://w3id.org/pmd/co/PMD_0090002> <https://w3id.org/pmd/co/PMD_0000619>)
+AnnotationAssertion(<http://www.w3.org/2004/02/skos/core#definition> <https://w3id.org/pmd/co/PMD_0090002> "A bandgap is an energy range between the valence band and the conduction band in a solid where no electronic states exist.")
+AnnotationAssertion(<http://www.w3.org/2004/02/skos/core#example> <https://w3id.org/pmd/co/PMD_0090002> "Silicon has a band gap of 1.107 eV at room temperature."@en)
+SubClassOf(<https://w3id.org/pmd/co/PMD_0090002> <https://w3id.org/pmd/co/PMD_0020142>)
 
 # Class: <https://w3id.org/pmd/co/PMD_0200001> (biodegradability)