A photoemission spectroscopy and X-ray absorption study of Bi(2)Sr(2)CaCu(2)O(8) single crystal with adsorbed Cs: On the origin of states affected by electron doping and evidence for spatially resolved electron doping

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Fältnamn	Indikatorer	Metadata
000		03866naa a2200385 4500
001		oai:lup.lub.lu.se:d1195761-7736-4a89-a00c-88981e064be1
003		SwePub
008		160401s1996 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://lup.lub.lu.se/record/298592 URI
024	7	a https://doi.org/10.1088/0953-8984/8/9/0212 DOI
040		a (SwePub)lu
041		a engb eng
042		9 SwePub
072	7	a art2 swepub-publicationtype
072	7	a ref2 swepub-contenttype
100	1	a Söderholm, S4 aut
245	1 0	a A photoemission spectroscopy and X-ray absorption study of Bi(2)Sr(2)CaCu(2)O(8) single crystal with adsorbed Cs: On the origin of states affected by electron doping and evidence for spatially resolved electron doping
264		c 1999-01-01
264	1	b IOP Publishing,c 1996
520		a The influence of electron doping, via deposition of small amounts of Cs, on the electronic structure of has been studied by high-resolution photoelectron spectroscopy (PES) and x-ray absorption spectroscopy (XAS), utilizing synchrotron radiation. The changes in the electronic structure were monitored by PES of the valence band and of the O 1s, Bi 4f, Bi 5d, Ca 2p and Sr 3d core levels, and by XAS at the O 1s, Cu 2p and Ca 2p edges. The experimental data suggest that the loss of the Fermi edge and the loss of spectral intensity down to about 2 eV below the Fermi level, and the substantial loss of spectral intensity of the pre-edge structure in the O 1s XAS spectrum are mainly due to annihilation of states with O 2p character in the Cu - O layer. It is evident from bulk- and surface-sensitive XAS spectra that the electron doping by Cs affects the electronic structure more strongly close to the surface. This implies that the doping occurs locally and that the charge transfer between the different layers in the unit cell is not uniform. Thus it seems possible to alter the electronic properties of locally through spatially resolved electron doping. When larger amounts of Cs are deposited, a chemical reaction occurs which causes a disruption of the Bi - O layer. This deposition regime is characterized by the presence of caesium oxide and reduced (metallic) Bi.
650	7	a NATURVETENSKAPx Fysikx Atom- och molekylfysik och optik0 (SwePub)103022 hsv//swe
650	7	a NATURAL SCIENCESx Physical Sciencesx Atom and Molecular Physics and Optics0 (SwePub)103022 hsv//eng
700	1	a Qvarford, M4 aut
700	1	a Bernhoff, H4 aut
700	1	a Andersen, Jesper Nu Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)slju-jan
700	1	a Lundgren, Edvinu Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)slju-elu
700	1	a Nyholm, Ralfu Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory4 aut0 (Swepub:lu)maxl-rny
700	1	a Karlsson, U.O.4 aut
700	1	a Lindau, Ingolfu Lund University,Lunds universitet,Synkrotronljusfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Synchrotron Radiation Research,Department of Physics,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)slju-ili
700	1	a Flodström, S.A.4 aut
710	2	a Synkrotronljusfysikb Fysiska institutionen4 org
773	0	t Journal of Physics: Condensed Matterd : IOP Publishingg 8, s. 1307-1320q 8<1307-1320x 1361-648Xx 0953-8984
856	4	u http://dx.doi.org/10.1088/0953-8984/8/9/021y FULLTEXT
856	4 8	u https://lup.lub.lu.se/record/29859
856	4 8	u https://doi.org/10.1088/0953-8984/8/9/021

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Av författaren/redakt...: Söderholm, S; Qvarford, M; Bernhoff, H; Andersen, Jesper ...; Lundgren, Edvin; Nyholm, Ralf; visa fler...; Karlsson, U.O.; Lindau, Ingolf; Flodström, S.A.; visa färre...

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