by VAVASSORI, P, DUO, L, BRAICOVICH, L and OLCESE, G
Abstract:
We present a He II (hnu = 40.8 eV) investigation on Lu and on a variety of Lu compounds (LuCo2, LuRh2, LuRh and Lu7Rh3). Due to the closed 4f shell and the large (greater-than-or-equal-to 0.7 eV) surface core shifts (SCS) the bulk and surface components in the spectra can be disentangled accurately. In elemental Lu the SCS is 0.72 eV, a value slightly smaller than that estimated from less surface sensitive data [1]. The SCS increases with dilution (0.95 eV in LuCo2) with a strong enhancement of the surface component (a factor of approximately 4.4 greater in LuRh2 than in Lu). The results are discussed in terms of cohesion energy and atomic coordination.
Reference:
4F SURFACE COMPONENTS IN LU COMPOUNDS BY UV PHOTOEMISSION (VAVASSORI, P, DUO, L, BRAICOVICH, L and OLCESE, G), In SURFACE SCIENCE, ELSEVIER SCIENCE BV, volume 307, 1994.
Bibtex Entry:
@article{ ISI:A1994NH82300041, Author = {VAVASSORI, P and DUO, L and BRAICOVICH, L and OLCESE, G}, Title = {{4F SURFACE COMPONENTS IN LU COMPOUNDS BY UV PHOTOEMISSION}}, Journal = {{SURFACE SCIENCE}}, Year = {{1994}}, Volume = {{307}}, Number = {{B}}, Pages = {{863-867}}, Month = {{APR 20}}, Note = {{13th European Conference on Surface Science (ECOSS-13), UNIV WARWICK, ARTS CTR, WARWICK, ENGLAND, AUG 30-SEP 04, 1993}}, Organization = {{BRIT VACUUM COUNCIL; EUROPEAN PHYS SOC; INT UNION VACUUM SCI TECH & APPL; INST PHYS, THIN FILMS & SURFACES GRP}}, Abstract = {{We present a He II (hnu = 40.8 eV) investigation on Lu and on a variety of Lu compounds (LuCo2, LuRh2, LuRh and Lu7Rh3). Due to the closed 4f shell and the large (greater-than-or-equal-to 0.7 eV) surface core shifts (SCS) the bulk and surface components in the spectra can be disentangled accurately. In elemental Lu the SCS is 0.72 eV, a value slightly smaller than that estimated from less surface sensitive data {[}1]. The SCS increases with dilution (0.95 eV in LuCo2) with a strong enhancement of the surface component (a factor of approximately 4.4 greater in LuRh2 than in Lu). The results are discussed in terms of cohesion energy and atomic coordination.}}, Publisher = {{ELSEVIER SCIENCE BV}}, Address = {{PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS}}, Type = {{Article; Proceedings Paper}}, Language = {{English}}, Affiliation = {{VAVASSORI, P (Corresponding Author), POLITECN MILAN, DIPARTIMENTO FIS, PIAZZA LEONARDO DAVINCI 32, I-20133 MILAN, ITALY. UNIV GENOA, INST CHIM FIS, I-16132 GENOA, ITALY.}}, DOI = {{10.1016/0039-6028(94)91505-9}}, ISSN = {{0039-6028}}, Keywords-Plus = {{X-RAY PHOTOEMISSION; METALS; SHIFTS}}, Research-Areas = {{Chemistry; Physics}}, Web-of-Science-Categories = {{Chemistry, Physical; Physics, Condensed Matter}}, ResearcherID-Numbers = {{Vavassori, Paolo/B-4299-2014 Duo, Lamberto/N-9311-2014 }}, ORCID-Numbers = {{Vavassori, Paolo/0000-0002-4735-6640 Braicovich, Lucio/0000-0001-6548-9140}}, Number-of-Cited-References = {{14}}, Times-Cited = {{8}}, Usage-Count-Last-180-days = {{0}}, Usage-Count-Since-2013 = {{0}}, Journal-ISO = {{Surf. Sci.}}, Doc-Delivery-Number = {{NH823}}, Unique-ID = {{ISI:A1994NH82300041}}, DA = {{2020-12-22}}, }
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