Observation of small gas-phase metal-oxygen dianions

被引：6

作者：

Franzreb, K ^{[1
]}

Williams, P ^{[1
]}

机构：

[1] Arizona State Univ, Dept Chem & Biochem, Tempe, AZ 85287 USA

来源：

CHEMICAL PHYSICS LETTERS | 2006年 / 419卷 / 4-6期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/j.cplett.2005.11.106

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Novel small metal-oxygen dianions have been produced in the gas phase by sputtering of metallic targets with simultaneous oxygen flooding. These exotic species were observed in a mass spectrometer for ion flight times of > 10 mu s. Both Cs+ bombardment of an elemental Be metal surface and of a copper-based Cu(Be) alloy foil, with exposure of these sputtered surfaces to 02 gas, produced the novel dianions of Ben-1 O-n(2-) with n = 4, 6. Be3O42- at m/z 45.5 and 46.5 was unambiguously identified by its isotopic abundance. In addition, n 4 CuBe2 O-4(2-) at m/z 72.5 and 73.5 was detected for O-2 flooding of Cs+ sputtered Cu(Be).(c) 2005 Elsevier B.V. All rights reserved.

引用

页码：379 / 384

页数：6

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