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1

Digitale Medien

Thermal decomposition of native oxide on Si(100) (1993)

Miyata, N. ; Shigeno, M. ; Arimoto, Y. ; [weitere]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 74 (1993), S. 5275-5276

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ISSN: 1089-7550

Quelle: AIP Digital Archive

Thema: Physik

Notizen: We investigated the thermal decomposition of native oxide on Si(100) under ultrahigh vacuum using high-resolution x-ray photoelectron spectroscopy (XPS). The native oxide was formed by wet chemical treatment (HCl/H2O2/H2O), a widely employed procedure for preparing atomically clean surfaces. XPS measurements revealed that high temperature heating ((approximately-greater-than)700 °C) leads to a remarkable alteration in Si 2p and O 1s spectra. After heating to 700 °C, the Si3+ structure increases and the O 1s full-width-at-half-maximum decreases. After heating to 800 °C, the Si4+ and O 1s intensity decreases but the Si2+ intensity remains almost unchanged. We suggest that the formation of volatile SiO is related to the Si3+ structure produced by high temperature annealing.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.354271

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2

Digitale Medien

Voltage-dependent scanning tunneling microscopy images of liquid crystals on graphite (1990)

Mizutani, W. ; Shigeno, M. ; Ono, M. ; [weitere]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 56 (1990), S. 1974-1976

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ISSN: 1077-3118

Quelle: AIP Digital Archive

Thema: Physik

Notizen: Voltage-dependent images of liquid crystals on graphite were observed in air by scanning tunneling microscopy (STM). Molecular rows of liquid crystals and the atomic pattern of the graphite substrate were imaged with high (above 1 V) and low (below 0.1 V) bias voltages, respectively. Patterns of molecules, grain boundaries, and distinguishable defects of the liquid crystal arrangement were reproduced even after imaging the substrate in the same area. This indicates that the graphite lattice can be seen by STM without touching or disturbing the adsorbed molecules on it. A resonant tunneling model is proposed to explain the phenomenon.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.103015

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3

Digitale Medien

Tunneling through a deformed potential

Mizutani, W. ; Shigeno, M. ; Kajimura, K. ; [weitere]

Amsterdam : Elsevier

Ultramicroscopy 42-44 (1992), S. 236-241

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ISSN: 0304-3991

Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Allgemeine Naturwissenschaft , Physik

Materialart: Digitale Medien

URL: http://linkinghub.elsevier.com/retrieve/pii/0304-3991(92)90273-M

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