ERDA at the low energy limit

被引：20
作者：
Döbeli, M
Kottler, C
Glaus, F
Suter, M
机构：
[1] ETH Honggerberg, Paul Scherrer Inst, CH-8093 Zurich, Switzerland
[2] Paul Scherrer Inst, Lab Micro & Nanotechnol, CH-5232 Villigen, Switzerland
[3] ETH, Inst Particle Phys, CH-8093 Zurich, Switzerland
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2005年 / 241卷 / 1-4期
关键词：
ERDA; silicon nitride membranes; gas ionization detectors; time-of-flight;
D O I：
10.1016/j.nimb.2005.07.090
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Heavy ion ERDA (HIERDA) has so far been implemented mainly at accelerator facilities with beam energies between 10 and 100 MeV. This is an energy region where gas ionization chambers allow for good resolution and particle identification. Using an ionization chamber with a very thin patterned SiN entrance window heavy ions with an energy of a few hundred keV can be detected. By combining this detector with a time-of-flight spectrometer equipped with an ultra-thin diamond-like-carbon foil it is now possible to perform HIERDA with projectiles (e.g. iodine) of energies down to 1.5 MeV with good resolution. Beams of this type can be produced even with the smallest accelerators used in IBA. Consequences concerning the applicability of ERDA as well as scattering cross-sections, beam damage and multiple scattering will be discussed. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：428 / 435
页数：8
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