메뉴 건너뛰기




Volumn 64, Issue 8, 2001, Pages

Metallicity and disorder at the alkali-metal/GaAs(001) interface

Author keywords

[No Author keywords available]

Indexed keywords

ALKALI METAL; ARSENIC; GALLIUM; POTASSIUM; SODIUM;

EID: 0035881072     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.64.085310     Document Type: Article
Times cited : (8)

References (59)
  • 1
    • 0004132887 scopus 로고
    • H.P. Bonzel, A.M. Bradshaw, G. Ertl, Elsevier, New York, and, in, edited by, and, and references therein
    • K. Müller, G. Besold, and K. Heinz, in Physics and Chemistry of Alkali Metal Adsorption, edited by H.P. Bonzel, A.M. Bradshaw, and G. Ertl (Elsevier, New York, 1989), pp. 65–90, and references therein.
    • (1989) Physics and Chemistry of Alkali Metal Adsorption , pp. 65-90
    • Müller, K.1    Besold, G.2    Heinz, K.3
  • 28
    • 21544437687 scopus 로고
    • and references therein
    • H. Shen and M. Dutta, J. Appl. Phys.78, 2151 (1995), and references therein;
    • (1995) J. Appl. Phys. , vol.78 , pp. 2151
    • Shen, H.1    Dutta, M.2
  • 29
    • 0002916428 scopus 로고
    • P. Halevi, Elsevier, Amsterdam, in, edited by, p., and references therein
    • F H. Pollak, in Photonic Probes of Surfaces, edited by P. Halevi (Elsevier, Amsterdam, 1995), p. 175, and references therein.
    • (1995) Photonic Probes of Surfaces , pp. 175
    • Pollak, F.H.1
  • 35
    • 85038286634 scopus 로고    scopus 로고
    • For cesium adsorption, the saturation concentration has been estimated as (formula presented) (Ref. For the present case, the microscopic properties of the interfaces have not been investigated and the atomic concentration at saturation is unknown
    • For cesium adsorption, the saturation concentration has been estimated as (formula presented) (Ref. 15). For the present case, the microscopic properties of the interfaces have not been investigated and the atomic concentration at saturation is unknown.
  • 36
    • 85038276227 scopus 로고    scopus 로고
    • As shown in Ref., identification of these breaks as due to a monolayer completion or a change of sticking coefficient cannot be performed using the analysis of the adsorbate signal as a function of the substrate ones, because Auger electrons of the As, Ga, and Na lines have similar energies so that the transmission coefficients for substrate and adsorbate Auger emission are very close
    • As shown in Ref. 34, identification of these breaks as due to a monolayer completion or a change of sticking coefficient cannot be performed using the analysis of the adsorbate signal as a function of the substrate ones, because Auger electrons of the As, Ga, and Na lines have similar energies so that the transmission coefficients for substrate and adsorbate Auger emission are very close.
  • 46
    • 85038347105 scopus 로고    scopus 로고
    • Due to the total resolution equal to 1 eV, it was not possible to measure the onset of the interband transition at 1.4 eV
    • Due to the total resolution equal to 1 eV, it was not possible to measure the onset of the interband transition at 1.4 eV.
  • 47
    • 34250503794 scopus 로고
    • C. Kunz, Z. Phys.196, 311 (1966).
    • (1966) Z. Phys. , vol.196 , pp. 311
    • Kunz, C.1
  • 51
    • 85038290825 scopus 로고    scopus 로고
    • This metastability allows us to discard any interpretation involving a thermally induced change in the surface structure of the substrate, or a decrease of the lattice constant and of the vibrations of the surface atoms
    • This metastability allows us to discard any interpretation involving a thermally induced change in the surface structure of the substrate, or a decrease of the lattice constant and of the vibrations of the surface atoms.
  • 56
    • 85038288556 scopus 로고    scopus 로고
    • If the adsorption site is already occupied by an atom, the fact that the sticking coefficient is found to be independent of coverage up to 1 ML (Fig. 11) suggests that the newly deposited atom will diffuse until it finds a vacant adsorption site. Due to this effect, empty sites situated at the boundary of a cluster have a larger probability of being populated than isolated sites, but this should not strongly affect the geometrical properties of the clusters
    • If the adsorption site is already occupied by an atom, the fact that the sticking coefficient is found to be independent of coverage up to 1 ML (Fig. 11) suggests that the newly deposited atom will diffuse until it finds a vacant adsorption site. Due to this effect, empty sites situated at the boundary of a cluster have a larger probability of being populated than isolated sites, but this should not strongly affect the geometrical properties of the clusters.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.