@article{051095a8b2ce41618e9f263d187771fc,
title = "Valence state of europium in CaS: Eu phosphor",
abstract = "Valence state of europium in CaS: Eu phosphor has been studied through PL, EPR and XPS techniques. The obtained results show that the valence state of europium is Eu3+ instead of Eu2+, which has been misinterpreted in the past due to a broad band emission in CaS: Eu phosphor.",
author = "Park, {H. L.} and Kim, {H. K.} and Chung, {C. H.} and Chang, {S. K.} and Yu, {Jiang Tsu}",
note = "Funding Information: Acknowledgement -This work has been fully supported by Korean Sciencea nd Engineering Foundation in 1988.",
year = "1989",
month = feb,
doi = "10.1016/0038-1098(89)90827-2",
language = "English",
volume = "69",
pages = "765--767",
journal = "Solid State Communications",
issn = "0038-1098",
publisher = "Elsevier Limited",
number = "7",
}