Fundamental studies of the cluster ion bombardment of water ice

Szakal C; Kozole J; Winograd N

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Fundamental studies of the cluster ion bombardment of water ice

机译：水冰簇离子轰击的基础研究

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The fundamental sputtering properties of water ice are of interest for molecular depth profiling of biological samples in their native environment. We report on a method of studying amorphous water ice films of precise thicknesses in which pure water vapor is condensed onto a pre-cooled, silver-coated quartz crystal microbalance (QCM). This scheme allows for the determination of water ice sputter yields for any primary projectile as well as providing a means for studying escape depths of atoms and molecules beneath the deposited water ice layer. Specifically, we find a removal of approximately 2500 water molecule equivalents/20 keV C-60(+) projectile with an underlying silver ion escape depth of 7.0 angstrom. (c) 2006 Elsevier B.V. All rights reserved.

机译：水冰的基本溅射性能对于生物样品在其天然环境中的分子深度分析非常重要。我们报告了一种研究精确厚度的无定形水冰膜的方法，其中纯净的水蒸气被冷凝到预冷的镀银石英晶体微天平（QCM）上。该方案可以确定任何初级弹丸的水冰溅射产量，并提供一种研究沉积的水冰层下方原子和分子逸出深度的方法。具体来说，我们发现去除了大约2500个水分子当量/ 20 keV C-60（+）弹丸，而其潜在的银离子逸出深度为7.0埃。（c）2006 Elsevier B.V.保留所有权利。

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来源
《Applied Surface Science》 |2006年第19期|p. 6526-6528|共3页
作者
Szakal C; Kozole J; Winograd N;
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作者单位

Penn State Univ, Dept Chem, University Pk, PA 16802 USA;

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原文格式 PDF
正文语种 eng
中图分类应用物理学;
关键词
ToF-SIMS; cluster ion; water ice; sputter yield; C60+; C-60; PROJECTILES; SIMS;

机译：ToF-SIMS;簇离子;水冰;溅射产率;C60 +;C-60;项目;SIMS;

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2. Molecular secondary ion formation under cluster bombardment: A fundamental review [J] . Wucher A Applied Surface Science . 2006,第19期

机译：团簇轰击下分子次级离子的形成：基本综述
3. Origin of clusters: IV. Low temperature fast-atom bombardment cluster patterns point to the possible existence of NaCl crystalline hydrates incorporating heavy water [J] . Marina V. Kosevich, Oleg A. Boryak, Vadim S. Shelkovsky European journal of mass spectrometry . 2002,第2期

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4. Molecular dynamics study of surface erosion and defect generation in copper under cluster bombardment: influence of projectile mass and energy [C] . Anton S. Kolesnikov, Evgeni E. Zhurkin Nondestructive Testing and Computer Simulations in Science and Engineering . 2004

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Fundamental studies of the cluster ion bombardment of water ice

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