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Stopping-cross-section additivity for 1-2-MeV 4He+ in solid oxides

Feng, J. S.-Y. and Chu, W. K. and Nicolet, M-A. (1974) Stopping-cross-section additivity for 1-2-MeV 4He+ in solid oxides. Physical Review B, 10 (9). pp. 3781-3789. ISSN 0556-2805. doi:10.1103/PhysRevB.10.3781.

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The stopping of 1-2-MeV α particles in five solid oxides, MgO, Al2O3, SiO2, α-Fe2O3, and Fe3O4, has been investigated by measuring the ratios of the elastically-back-scattered-particle yields from two-layered metal-oxide and metal-metal targets. By applying a self-consistent analytical procedure, it is demonstrated that within the 2% sensitivity of the experiment, there is a unique set of five elemental stopping cross sections that is applicable to the pure metals and their oxides. When the effective stopping cross section of oxygen in these solid oxides is calculated using the reported Mg, Al, Si, and Fe stopping cross sections, the resulting values are systematically (6-22)% lower than the value reported for gaseous O2.

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Additional Information:©1974 The American Physical Society Received 7 February 1974; revised 2 May 1974
Issue or Number:9
Record Number:CaltechAUTHORS:FENprb74
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:6274
Deposited By: Archive Administrator
Deposited On:30 Nov 2006
Last Modified:08 Nov 2021 20:32

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