Structure analysis of 1×1 Cu layer formed on Mo(110) surface

Kawanowa, H.; Suzuki, J.; Mahara, Y.; Gotoh, Y.; Souda, Ryūtarō

doi:10.1016/j.jcrysgro.2004.11.191

Cited by 6 publications

(4 citation statements)

References 15 publications

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“…The normalized He desorption spectra of the Cu films (10-100 Å) deposited on the well annealed Mo(1 1 0) substrate at 300 K and implanted with 1000 eV He + of fluence 2.0×10 14 He + cm −2 are shown in figures 1(a) and (b). The calculated [23] radial range and straggle of 1000 eV He in Cu are 74 Å and 38 Å, respectively.…”

Section: Effect Of Film Thickness Probed By 1000 Ev He +mentioning

confidence: 99%

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Defects of ultrathin Cu films on Mo(1 1 0) studied by thermal helium desorption spectrometry

Venugopal¹,

Thijsse²

2009

J. Phys. D: Appl. Phys.

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Defects of ultrathin Cu films (3-200 Å) deposited on Mo(1 1 0) at room temperature by e-beam evaporation in ultra-high vacuum are investigated using thermal helium desorption spectrometry. The samples are analysed with both 75 and 1000 eV He + implantation. Cu films transform into islands on annealing and the temperature of this transformation is strongly thickness dependent. Helium release from defects close to the surface of the Cu films (∼450 K), from monovacancies in as-deposited Cu film (50-200 Å), and from defects close to the interface (800-1050 K) are identified. Annealing of monovacancies is mainly responsible for reduction in helium trapping in a 20 Å Cu film prior to film islanding. There is an indication of retrapping of helium released from the first 5 Å layer of the film in the defects located in the overlayers (5-95 Å). Helium in the Cu films survives until the desorption temperature of the film (1200-1300 K).

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Section: Effect Of Film Thickness Probed By 1000 Ev He +mentioning

confidence: 99%

“…Cu growth on Mo(1 1 0) has been investigated by several surface analytical techniques [1,3,[11][12][13][14]. At room temperature (RT), the first monolayer (ML) is pseudomorphic and the second ML is distorted Cu(1 1 1).…”

Section: Introductionmentioning

confidence: 99%

Defects of ultrathin Cu films on Mo(1 1 0) studied by thermal helium desorption spectrometry

Venugopal¹,

Thijsse²

2009

J. Phys. D: Appl. Phys.

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show abstract

Section: Introductionmentioning

confidence: 99%

“…Until now, the surface structures and growth modes of various adsorbate metals (e.g. Cu [3], Co [4], Fe [5], Ni [6], Mg [7], Ba [8], K [9], S [10], In [11], Ag [12][13][14][15][16][17], Au [18,19], Sn [20,21], Pb [22][23][24][25], etc) on Mo (110) substrates have been investigated by a variety of experimental and theoretical methods in a number of works. Recently, the formation of oxide layers on transition metal (TM) surfaces has also received considerable attention [26][27][28][29], including the Mo (110) surface [30,31].…”

Section: Introductionmentioning

confidence: 99%

Growth morphology of thin films on metallic and oxide surfaces

Krupski¹

2014

J. Phys.: Condens. Matter

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In this work we briefly review recent investigations concerning the growth morphology of thin metallic films on the Mo(110) and Ni3Al(111) surfaces, and Fe and copper phthalocyanine (C32H16N8Cu) on the Al2O3/Ni3Al(111) surface. Comparison of Ag, Au, Sn, and Pb growth on the Mo(110) surface has shown a number of similarities between these adsorption systems, except that surface alloy formation has only been observed in the case of Sn and Au. In the Pb/Mo(110) and Pb/Ni3Al(111) adsorption systems selective formation of uniform Pb island heights during metal thin film growth has been observed and interpreted in terms of quantum size effects. Furthermore, our studies showed that Al2O3 on Ni3Al(111) exhibits a large superstructure in which the unit cell has a commensurate relation with the substrate lattice. In addition, copper phthalocyanine chemisorbed weakly onto an ultra-thin Al2O3 film on Ni3Al(111) and showed a poor template effect of the Al2O3/Ni3Al(111) system. In the case of iron cluster growth on Al2O3/Ni3Al(111) the nucleation sites were independent of deposition temperature, yet the cluster shape showed a dependence. In this system, Fe clusters formed a regular hexagonal lattice on the Al2O3/Ni3Al(111).

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Ag on Mo(110) studied by AES and STM

Krupski

2010

Surface Science

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Structure analysis of 1×1 Cu layer formed on Mo(110) surface

Cited by 6 publications

References 15 publications

Defects of ultrathin Cu films on Mo(1 1 0) studied by thermal helium desorption spectrometry

Defects of ultrathin Cu films on Mo(1 1 0) studied by thermal helium desorption spectrometry

Growth morphology of thin films on metallic and oxide surfaces

Ag on Mo(110) studied by AES and STM

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