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Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections

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Zeitschriftentitel: Crystal Research and Technology
Personen und Körperschaften: Arnold, H.
In: Crystal Research and Technology, 24, 1989, 10, S. 959-964
Format: E-Article
Sprache: Englisch
veröffentlicht:
Wiley
Schlagwörter:
Condensed Matter Physics
General Materials Science
General Chemistry
author_facet Arnold, H.
Arnold, H.
author Arnold, H.
spellingShingle Arnold, H.
Crystal Research and Technology
Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
Condensed Matter Physics
General Materials Science
General Chemistry
author_sort arnold, h.
spelling Arnold, H. 0232-1300 1521-4079 Wiley Condensed Matter Physics General Materials Science General Chemistry http://dx.doi.org/10.1002/crat.2170241003 <jats:title>Abstract</jats:title><jats:p>Starting with a quasichemical treatment, simple model calculations are given for the equilibrium composition in surface steps containing A and B kinks, the amount and ratio of which is varied by changing the adjacent gas composition. In connection with deviations from step stoichiometry, the total amount of kinks increases strongly.</jats:p><jats:p>A nearest neighbour approximation has been applied to the attachment of A or B atoms at kinks from the gas phase, and also from the bulk by formation of vacancies V<jats:sub>A</jats:sub> or V<jats:sub>B</jats:sub>. These processes can be formulated separately for the two elements, taking into account the effective formation of bulk atoms of the other kind (B<jats:sub>B</jats:sub> or B<jats:sub>A</jats:sub>).</jats:p> Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections Crystal Research and Technology
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title Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_unstemmed Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_full Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_fullStr Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_full_unstemmed Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_short Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_sort nonstoichiometry in steps on ab crystals (i). general aspects, including bulk imperfections
topic Condensed Matter Physics
General Materials Science
General Chemistry
url http://dx.doi.org/10.1002/crat.2170241003
publishDate 1989
physical 959-964
description <jats:title>Abstract</jats:title><jats:p>Starting with a quasichemical treatment, simple model calculations are given for the equilibrium composition in surface steps containing A and B kinks, the amount and ratio of which is varied by changing the adjacent gas composition. In connection with deviations from step stoichiometry, the total amount of kinks increases strongly.</jats:p><jats:p>A nearest neighbour approximation has been applied to the attachment of A or B atoms at kinks from the gas phase, and also from the bulk by formation of vacancies V<jats:sub>A</jats:sub> or V<jats:sub>B</jats:sub>. These processes can be formulated separately for the two elements, taking into account the effective formation of bulk atoms of the other kind (B<jats:sub>B</jats:sub> or B<jats:sub>A</jats:sub>).</jats:p>
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author Arnold, H.
author_facet Arnold, H., Arnold, H.
author_sort arnold, h.
container_issue 10
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container_title Crystal Research and Technology
container_volume 24
description <jats:title>Abstract</jats:title><jats:p>Starting with a quasichemical treatment, simple model calculations are given for the equilibrium composition in surface steps containing A and B kinks, the amount and ratio of which is varied by changing the adjacent gas composition. In connection with deviations from step stoichiometry, the total amount of kinks increases strongly.</jats:p><jats:p>A nearest neighbour approximation has been applied to the attachment of A or B atoms at kinks from the gas phase, and also from the bulk by formation of vacancies V<jats:sub>A</jats:sub> or V<jats:sub>B</jats:sub>. These processes can be formulated separately for the two elements, taking into account the effective formation of bulk atoms of the other kind (B<jats:sub>B</jats:sub> or B<jats:sub>A</jats:sub>).</jats:p>
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imprint Wiley, 1989
imprint_str_mv Wiley, 1989
institution DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229
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publishDate 1989
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publisher Wiley
record_format ai
recordtype ai
series Crystal Research and Technology
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spelling Arnold, H. 0232-1300 1521-4079 Wiley Condensed Matter Physics General Materials Science General Chemistry http://dx.doi.org/10.1002/crat.2170241003 <jats:title>Abstract</jats:title><jats:p>Starting with a quasichemical treatment, simple model calculations are given for the equilibrium composition in surface steps containing A and B kinks, the amount and ratio of which is varied by changing the adjacent gas composition. In connection with deviations from step stoichiometry, the total amount of kinks increases strongly.</jats:p><jats:p>A nearest neighbour approximation has been applied to the attachment of A or B atoms at kinks from the gas phase, and also from the bulk by formation of vacancies V<jats:sub>A</jats:sub> or V<jats:sub>B</jats:sub>. These processes can be formulated separately for the two elements, taking into account the effective formation of bulk atoms of the other kind (B<jats:sub>B</jats:sub> or B<jats:sub>A</jats:sub>).</jats:p> Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections Crystal Research and Technology
spellingShingle Arnold, H., Crystal Research and Technology, Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections, Condensed Matter Physics, General Materials Science, General Chemistry
title Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_full Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_fullStr Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_full_unstemmed Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_short Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
title_sort nonstoichiometry in steps on ab crystals (i). general aspects, including bulk imperfections
title_unstemmed Nonstoichiometry in steps on AB crystals (I). General aspects, including bulk imperfections
topic Condensed Matter Physics, General Materials Science, General Chemistry
url http://dx.doi.org/10.1002/crat.2170241003