Rare earth

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

Field Hierarchy

Parent
Chemistry 29.4M papers	Materials science 18.9M papers	Geology 10.5M papers	Metallurgy 4.9M papers
Mineralogy 866k papers		Earth science 212k papers
Current
Rare earth 47.8k papers
Child
Rare-earth element 7,473 papers

Trends

Notes

History