https://doi.org/10.1351/goldbook.S05591
Material whose @[email protected], due to charges of both signs, is normally in the range between that of metals and insulators and in which the @[email protected] @[email protected] density can be changed by external means.
Source:
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1552 [Terms] [Paper]