Micromechanical thermogravimetry

被引:96
作者
Berger, R
Lang, HP
Gerber, C
Gimzewski, JK
Fabian, JH
Scandella, L
Meyer, E
Guntherodt, HJ
机构
[1] IBM Corp, Div Res, Zurich Res Lab, CH-8803 Ruschlikon, Switzerland
[2] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
[3] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland
关键词
D O I
10.1016/S0009-2614(98)00817-3
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
We demonstrate a new method for thermal analysis of nanogram quantities of material using a micromechanical thermogravimetric technique. The cantilever-type device uses an integrated piezoresistor to sense bending and simultaneously to ramp the temperature and control temperature cycles. It has a mass resolution in the picogram range. A quantitative analysis of the dehydration of copper-sulfate-pentahydrate (CuSO4. 5H(2)O) is presented. The technique outperforms current thermogravimetric approaches by five orders of magnitude. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:363 / 369
页数:7
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