Determination of pressure-induced valence changes in YbAl2 by resonant inelastic x-ray emission

@article{ ISI:000188391900037,
Author = {Dallera, C and Annese, E and Rueff, JP and Palenzona, A and Vanko, G and
   Braicovich, L and Shukla, A and Grioni, M},
Title = {{Determination of pressure-induced valence changes in YbAl2 by resonant
   inelastic x-ray emission}},
Journal = {{PHYSICAL REVIEW B}},
Year = {{2003}},
Volume = {{68}},
Number = {{24}},
Month = {{DEC}},
Abstract = {{Novel x-ray spectroscopies such as high-resolution x-ray absorption
   (XAS) performed in the partial fluorescence yield mode (PFY), and
   resonant emission (RXES) offer new opportunities to probe the bulk
   electronic configuration in strongly correlated systems. We performed an
   Yb L-3 PFY-XAS and RXES investigation of the intermediate valence
   compound YbAl2 under external pressure. We found that the Yb valence
   increases from 2.25 at ambient pressure to 2.9 at 385 kbar. This
   experiment has extended the range of pressures explored until now, in
   order to cover the whole valence transition, which we find to be
   completed around 200 kbar. Moreover, the new data considerably reduce
   the experimental error bars on previous estimates and provide the most
   accurate description to date of this transition. We discuss the relative
   merits of various approaches to extract the 4f occupancy from the
   spectroscopic data.}},
Publisher = {{AMERICAN PHYSICAL SOC}},
Address = {{ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA}},
Type = {{Article}},
Language = {{English}},
Affiliation = {{Dallera, C (Corresponding Author), Politecn Milan, INFM, Dipartimento Fis, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy.
   Politecn Milan, INFM, Dipartimento Fis, I-20133 Milan, Italy.
   Univ Modena & Reggio Emilia, INFM, Dipartimento Fis, I-41100 Modena, Italy.
   Univ Paris 06, Lab Chim Phys Mat & Rayonnement, UMR 7614, F-75231 Paris, France.
   Univ Genoa, Dipartimento Chim & Chim Ind, I-16146 Genoa, Italy.
   European Synchrotron Radiat Facil, F-38043 Grenoble, France.
   EPFL, IPN, CH-1015 Lausanne, Switzerland.}},
DOI = {{10.1103/PhysRevB.68.245114}},
Article-Number = {{245114}},
ISSN = {{1098-0121}},
Keywords-Plus = {{MEAN-FIELD THEORY; ABSORPTION-SPECTROSCOPY; RAMAN-SCATTERING;
   PHOTOEMISSION-SPECTROSCOPY; INTERMETALLIC COMPOUNDS;
   TEMPERATURE-DEPENDENCE; ELECTRONIC-STRUCTURE; PSEUDOBINARY ALLOYS; CE
   COMPOUNDS; L(3) EDGE}},
Research-Areas = {{Materials Science; Physics}},
Web-of-Science-Categories  = {{Materials Science, Multidisciplinary; Physics, Applied; Physics,
   Condensed Matter}},
ResearcherID-Numbers = {{Shukla, Abhay/G-6753-2011
   Annese, Emilia/AAM-3070-2020
   Rueff, Jean-Pascal/D-8938-2016
   Vanko, Gyorgy/B-8176-2012
   }},
ORCID-Numbers = {{Rueff, Jean-Pascal/0000-0003-3594-918X
   Vanko, Gyorgy/0000-0002-3095-6551
   Annese, Emilia/0000-0002-4066-697X
   Braicovich, Lucio/0000-0001-6548-9140}},
Number-of-Cited-References = {{56}},
Times-Cited = {{51}},
Usage-Count-Last-180-days = {{0}},
Usage-Count-Since-2013 = {{17}},
Journal-ISO = {{Phys. Rev. B}},
Doc-Delivery-Number = {{766TP}},
Unique-ID = {{ISI:000188391900037}},
DA = {{2020-12-22}},
}