In situ monitoring of the NaCl + HNO3 surface reaction: The observation of mobile surface strings

Christopher D. Zangmeister; Jeanne E. Pemberton

doi:10.1021/jp982910x

In situ monitoring of the NaCl + HNO₃ surface reaction: The observation of mobile surface strings

Christopher D. Zangmeister, Jeanne E. Pemberton

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29 Scopus citations

Abstract

The reaction of single-crystal NaCl(100) with dry HNO₃ was monitored using atomic force microscopy in contact mode. Initial exposure to dry HNO₃ results in the growth of a two-dimensional metastable layer of NaNO₃ to nearly complete surface coverage. Exposure of this metastable NaNO₃ layer to small amounts of H₂O produces deliquescence of the surface with concomitant rearrangement of the NaNO₃ adlayer to form unusual mobile "strings" presumed to contain NaNO₃. These strings are transient and eventually crystallize to form rhombohedral NaNO₃ crystals sitting on top of the NaCl surface.

Original language	English (US)
Pages (from-to)	8950-8953
Number of pages	4
Journal	Journal of Physical Chemistry B
Volume	102
Issue number	45
DOIs	https://doi.org/10.1021/jp982910x
State	Published - Nov 5 1998

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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10.1021/jp982910x

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title = "In situ monitoring of the NaCl + HNO3 surface reaction: The observation of mobile surface strings",

abstract = "The reaction of single-crystal NaCl(100) with dry HNO3 was monitored using atomic force microscopy in contact mode. Initial exposure to dry HNO3 results in the growth of a two-dimensional metastable layer of NaNO3 to nearly complete surface coverage. Exposure of this metastable NaNO3 layer to small amounts of H2O produces deliquescence of the surface with concomitant rearrangement of the NaNO3 adlayer to form unusual mobile {"}strings{"} presumed to contain NaNO3. These strings are transient and eventually crystallize to form rhombohedral NaNO3 crystals sitting on top of the NaCl surface.",

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T1 - In situ monitoring of the NaCl + HNO3 surface reaction

T2 - The observation of mobile surface strings

AU - Zangmeister, Christopher D.

AU - Pemberton, Jeanne E.

PY - 1998/11/5

Y1 - 1998/11/5

N2 - The reaction of single-crystal NaCl(100) with dry HNO3 was monitored using atomic force microscopy in contact mode. Initial exposure to dry HNO3 results in the growth of a two-dimensional metastable layer of NaNO3 to nearly complete surface coverage. Exposure of this metastable NaNO3 layer to small amounts of H2O produces deliquescence of the surface with concomitant rearrangement of the NaNO3 adlayer to form unusual mobile "strings" presumed to contain NaNO3. These strings are transient and eventually crystallize to form rhombohedral NaNO3 crystals sitting on top of the NaCl surface.

AB - The reaction of single-crystal NaCl(100) with dry HNO3 was monitored using atomic force microscopy in contact mode. Initial exposure to dry HNO3 results in the growth of a two-dimensional metastable layer of NaNO3 to nearly complete surface coverage. Exposure of this metastable NaNO3 layer to small amounts of H2O produces deliquescence of the surface with concomitant rearrangement of the NaNO3 adlayer to form unusual mobile "strings" presumed to contain NaNO3. These strings are transient and eventually crystallize to form rhombohedral NaNO3 crystals sitting on top of the NaCl surface.

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JO - Journal of Physical Chemistry B

JF - Journal of Physical Chemistry B

IS - 45

ER -

In situ monitoring of the NaCl + HNO₃ surface reaction: The observation of mobile surface strings

Abstract

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