Pressure-induced valence change in YbAl3: A combined high-pressure inelastic x-ray scattering and theoretical investigation

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Fältnamn	Indikatorer	Metadata
000		02751naa a2200409 4500
001		oai:DiVA.org:kth-36307
003		SwePub
008		110711s2008 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-363072 URI
024	7	a https://doi.org/10.1103/PhysRevB.78.0751172 DOI
040		a (SwePub)kth
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Kumar, Ravhi S.4 aut
245	1 0	a Pressure-induced valence change in YbAl3 :b A combined high-pressure inelastic x-ray scattering and theoretical investigation
264	1	c 2008
338		a print2 rdacarrier
500		a QC 20110711
520		a High-resolution x-ray-absorption (XAS) experiments in the partial fluorescence yield mode (PFY) and resonant inelastic x-ray emission (RXES) measurements were performed on the intermediate-valence compound YbAl3 under pressure of up to 38 GPa. The results of the YbAl3 PFY-XAS and RXES studies show that the valence of Yb increases smoothly from 2.75 at ambient pressure to 2.93 at 38 GPa. In situ angle-dispersive synchrotron high-pressure x-ray-diffraction experiments carried out using a diamond cell at room temperature show that the ambient pressure cubic phase is stable up to 40 GPa. The results obtained from self-interaction corrected local spin density-functional calculations to understand the pressure effect on the Yb valence and compressibility are in good agreement with the experimental results.
650	7	a TEKNIK OCH TEKNOLOGIERx Annan teknikx Övrig annan teknik0 (SwePub)211992 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Other Engineering and Technologiesx Other Engineering and Technologies not elsewhere specified0 (SwePub)211992 hsv//eng
653		a SPIN-DENSITY APPROXIMATION; ELECTRONIC-STRUCTURE; YB COMPOUNDS; TEMPERATURE-DEPENDENCE; PHOTOELECTRON-SPECTROSCOPY; SYSTEMS; INSTABILITIES; TRANSPORT; CERIUM; CE
653		a Material physics with surface physics
653		a Materialfysik med ytfysik
700	1	a Svane, Axel4 aut
700	1	a Vaitheeswaran, Ganapathyu KTH,Tillämpad materialfysik4 aut0 (Swepub:kth)u17pa60w
700	1	a Kanchana, Venkatakrishnanu KTH,Tillämpad materialfysik4 aut0 (Swepub:kth)u1232rlz
700	1	a Bauer, Eric D.4 aut
700	1	a Hu, Michael4 aut
700	1	a Nicol, Malcolm F.4 aut
700	1	a Cornelius, Andrew L.4 aut
710	2	a KTHb Tillämpad materialfysik4 org
773	0	t Physical Review B. Condensed Matter and Materials Physicsg 78:7, s. 075117-q 78:7<075117-x 1098-0121x 1550-235X
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-36307
856	4 8	u https://doi.org/10.1103/PhysRevB.78.075117

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Av författaren/redakt...: Kumar, Ravhi S.; Svane, Axel; Vaitheeswaran, G ...; Kanchana, Venkat ...; Bauer, Eric D.; Hu, Michael; visa fler...; Nicol, Malcolm F ...; Cornelius, Andre ...; visa färre...

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Av lärosätet: Kungliga Tekniska Högskolan

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