Effect of high-energy heavy-ion irradiation in 57Co-doped CuO

被引：3

作者：

Shah, P

Gupta, A

Avasthi, DK

机构：

[1] Inter Univ Consortium DAE Facil, Indore 452017, India

[2] Ctr Nucl Sci, New Delhi 110067, India

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1999年 / 152卷 / 2-3期

关键词：

CuO; heavy ion irradiation; Mossbauer spectroscopy; magnetic properties;

D O I：

10.1016/S0168-583X(98)00968-9

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Effect of 100 MeV Ag ion irradiation on Co-57-doped CuO has been studied using X-ray diffraction, Mossbauer spectroscopy and elastic recoil detection analysis. Irradiation leads to a substantial oxygen loss in the sample. X-ray diffraction measurements show a considerable damage production in the CuO lattice up to a depth much larger than the range of the bombarding ions. The sample gets amorphized up to the penetration depth of Ag ions. The Neel temperature of the damaged portion of the sample is considerably decreased. The annealing behaviour of the amorphized region is characterized by a broad distribution of activation energies. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：343 / 348

页数：6

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