Rare earth

https://www.wikidata.org/wiki/Q7294540

Field Hierarchy

Parent
Chemistry 28.4M papers	Materials science 18.2M papers	Geology 9.1M papers	Metallurgy 4.7M papers
Mineralogy 815k papers		Earth science 185k papers
Current
Rare earth 45k papers
Child
Rare-earth element 7,030 papers

Trends

Notes

History