Cesium deintercalation by Li or Na deposited on 1T-TaSe2 (0001) surfaces
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Kamaratos, M.
Papageorgopoulos, C. A.
Papageorgopoulos, D. C.
Tonti, D.
Pettenkofer, C.
Jaegermann, W.
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peer reviewed
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Applied Surface Science
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The adsorption of Li and Na, separately, on Cs-intercalated TaSe2(0001) was studied in this work. The investigation took place in UHV by soft X-ray photoelectron spectroscopy (XPS) using synchrotron radiation as excitation source. The intercalation occurred across the Van der Waals planes by deposition on the basal plane of the layer compound. Lithium and sodium deposited separately on Cs-intercalated TaSe2, cause a diffusion of Cs towards the surface. The deintercalation of Cs is more drastic by Li than that by Na. This phenomenon is guided by a repulsive alkali-alkali electrostatic interaction and it is related to the thermodynamic and kinetic effects which have been described in this paper. (C) 1999 Elsevier Science B.V. All rights reserved.
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layer compounds, alkali, adsorption, intercalation, sxps, electronic-structure, intercalation, photoemission, adsorption, interface, cs
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<Go to ISI>://000080821900015
http://ac.els-cdn.com/S0169433299000914/1-s2.0-S0169433299000914-main.pdf?_tid=2798ca4401a1a15d0da56532fa8cdf58&acdnat=1334223580_0b0687799b2a70351588e097a4123a98
http://ac.els-cdn.com/S0169433299000914/1-s2.0-S0169433299000914-main.pdf?_tid=2798ca4401a1a15d0da56532fa8cdf58&acdnat=1334223580_0b0687799b2a70351588e097a4123a98
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en
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Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών