DISPLACEMENT AND LUMINESCENCE OF EU3+ IN CAYBO4

dc.contributor.author	Zeng X.Q.
dc.contributor.author	Hong G.Y.
dc.contributor.author	You H.P.
dc.contributor.author	Kim C.H.
dc.contributor.author	Pyun C.H.
dc.date.accessioned	2021-01-28T06:33:13Z
dc.date.available	2021-01-28T06:33:13Z
dc.date.issued	2000
dc.identifier	https://www.elibrary.ru/item.asp?id=12479453
dc.identifier.citation	Journal of Rare Earths, 2000, 18, 3, 184-185
dc.identifier.issn	1002-0721
dc.identifier.uri	https://repository.geologyscience.ru/handle/123456789/23825
dc.description.abstract	CaY1-xBO4: xEu was synthesied by solid state reaction method, and the displacement and luminescence of the Eu3+ in CaYBO4 host were studied. Two luminescent centers could be observed at certain Eu3+ -concentration, indicating that the Eu3+ occupies two different crystallographic sites. This result shows that the Eu3+ occupies two different Y3+ sites in CaYBO4. The investigation on Eu-O charge transfer bands indicates that the larger distortion or the lower symmetry of Eu3+ site is, the shorter wavelength of the Eu-O charge transfer band is. When the Eu3+-concentration is high (x > 0.10), Eu3+ occupies the sites of Ca2+ and is reduced to Eu2+.
dc.title	DISPLACEMENT AND LUMINESCENCE OF EU3+ IN CAYBO4
dc.type	Статья

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