Surface positron and positronium states in real ionic crystals

K. P. Aref'ev, S. A. Vorob'ev, E. P. Prokop'ev, V. G. Starodubov

Отделение математики и информатики

Результат исследований: Материалы для журнала › Статья › рецензирование

Аннотация

Positron annihilation has been used to examine the positron and positronium states at the surfaces of (100) and (110) faces of KCl and KCl-5% AgCl single crystals. The measured and theoretical parameters differ from the analogous bulk values; exposure of KCl to Ps atoms produces mainly A₊′, F₊′, and D₊′ centers. It is shown that this method can be used to examine surface states and surface electron-density distributions.

Язык оригинала	Английский
Страницы (с-по)	61-65
Число страниц	5
Журнал	Soviet Physics Journal
Том	21
Номер выпуска	1
DOI	https://doi.org/10.1007/BF00896297
Состояние	Опубликовано - янв 1978

ASJC Scopus subject areas

Physics and Astronomy(all)

Доступ к документу

10.1007/BF00896297

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