Fluorine depth profiling based on the 19F(p,p'γ)19F excitation function

被引：3

作者：

Cruz, J. ^{[1
,2
]}

Fonseca, M. ^{[1
,2
,3
]}

Galaviz, D. ^{[4
,5
]}

Henriques, A. ^{[4
]}

Luis, H. ^{[6
]}

Machado, J. ^{[1
,2
]}

Teubig, P. ^{[4
,5
]}

Velho, P. ^{[4
]}

Manteigas, V ^{[1
]}

Jesus, A. P. ^{[1
,2
]}

机构：

[1] Lab Instrumentacao Engn Biomed & Fis Radiacao LIB, Caparica, Portugal

[2] Univ Nova Lisboa, Dept Fis, Fac Ciencias & Tecnol, P-2892516 Caparica, Portugal

[3] Lusofona Univ, HEI Lab Digital Human Environm Interact Lab, Lisbon, Portugal

[4] Lab Instrumentacao & Fis Expt Particulas, P-1649016 Lisbon, Portugal

[5] Univ Lisbon, Dept Fis, Fac Ciencias, P-1749003 Lisbon, Portugal

[6] Campus Tecnol & Nucl Inst Super Tecn CTN IST, Estr Nacl 10,Km 139 7, P-2695066 Lrs Bobadela, Loures, Portugal

来源：

EUROPEAN PHYSICAL JOURNAL PLUS | 2021年 / 136卷 / 09期

关键词：

QUANTITATIVE-ANALYSIS; LIGHT-ELEMENTS; CROSS-SECTIONS; PIGE ANALYSIS; THICK SAMPLES; PROTONS; CODE; LI;

D O I：

10.1140/epjp/s13360-021-01954-3

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Ion beam analysis of fluorine has applications in research on teeth and bones, materials science, geochemistry and archaeometry. A novel PIGE (particle induced gamma-ray emission) standard free methodology for fluorine content determination for in-depth heterogeneous samples based on the excitation function of the F-19(p,p'gamma)F-19 nuclear reaction is presented. New precise cross section measurements of this reaction in the proton energy range 2.1 to 4.1 MeV have been performed. In addition, the ERYA-Profiling code, a computer program specially developed for PIGE analysis of in-depth heterogeneous samples, employed this new excitation function in a case study where different fluorine simulated depth profiles probed the capability of insight into fluorine distributions in a given sample, showing the potential of PIGE analysis.

引用

页数：12

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