Hysteresis in phase transitions at clean and Au-covered Si(111) surfaces

Shuji Hasegawa, Yasuyoshi Nagai, Toshio Ohnishi, Shozo Ino

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

By measuring the temperature dependence of the superlattice-spot intensity in reflection high-energy electron diffraction from a clean Si(111) surface during the phase transition between 7×7 and 1×1 structures, a hysteresis was found with a temperature difference of 5°C between heating and cooling processes. We conclude that a first-order phase transition is present. Hysteresis was barely observed for the (5×2 or 3 × 3) -1×1 phase transitions of Au-induced superstructures.

Original languageEnglish
Pages (from-to)9903-9906
Number of pages4
JournalPhysical Review B
Volume47
Issue number15
DOIs
Publication statusPublished - Jan 1 1993

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hysteresis
high energy electrons
temperature gradients
electron diffraction
cooling
temperature dependence
heating

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Hysteresis in phase transitions at clean and Au-covered Si(111) surfaces. / Hasegawa, Shuji; Nagai, Yasuyoshi; Ohnishi, Toshio; Ino, Shozo.

In: Physical Review B, Vol. 47, No. 15, 01.01.1993, p. 9903-9906.

Research output: Contribution to journalArticle

Hasegawa, Shuji ; Nagai, Yasuyoshi ; Ohnishi, Toshio ; Ino, Shozo. / Hysteresis in phase transitions at clean and Au-covered Si(111) surfaces. In: Physical Review B. 1993 ; Vol. 47, No. 15. pp. 9903-9906.
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