Secondary electron yield of Au and Al<sub>2</sub>O<sub>3</sub> surfaces from swift heavy ion impact in the 2.5-7.9 MeV/amu energy range期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Secondary electron yield of Au and Al₂O₃ surfaces from swift heavy ion impact in the 2.5-7.9 MeV/amu energy range

Authors:	D. Bisello A. Candelori A. Kaminsky M. Nigro R. Rando M. Tessaro

Affiliation:	^a Dipartimento di Fisica, Università di Padova, and INFN Padova, via Marzolo 8, I-35131 Padova, Italy ^b Dipartimento di Scienze Motorie e della Salute, Università di Cassino, and INFN Pisa, Italy

Abstract:	We report on the secondary electron yields of Au and oxidized aluminum (Al₂O₃) by impact of heavy ions with energies ranging from 7.92 MeV/amu (¹²C₆) to 2.54 MeV/amu (¹⁰⁷Ag₄₇). The obtained results, the first in this energy range using medium-heavy ions, extend the validity of proposed scaling laws obtained with lighter ions. Measurements have been performed using the SIRAD irradiation facility at the 15 MV Tandem of the INFN Laboratory of Legnaro (Italy), to evaluate the performance of ion electron emission microscopy at SIRAD.

Keywords:	34.50.Fa 68.49.&minus h 61.82.Bg 61.82.Fk
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