TY - JOUR
T1 - Light element detection in heavy matrices by high energy backscattering spectroscopy
AU - Markwitz, Andreas
AU - Ruvalcaba-Sil, José-Luis
AU - Demortier, Guy
PY - 1997
Y1 - 1997
N2 - Backscattering spectroscopy using 7.6 MeV 4He ions was performed for depth profiling of light elements in heavy matrices consisting of gold, silver and copper. The specimens were produced and modified with different etching techniques to reproduce in laboratory ancient gilding recipes of mesoamerican goldsmiths. Due to the special etching treatments, different oxygen and carbon contaminations are detected close to the specimens surfaces. In addition, high energy backscattering measurements were performed with 10 and 12 MeV 4He ions in order to investigate further advantages and disadvantages when using ion energies above 9 MeV.
AB - Backscattering spectroscopy using 7.6 MeV 4He ions was performed for depth profiling of light elements in heavy matrices consisting of gold, silver and copper. The specimens were produced and modified with different etching techniques to reproduce in laboratory ancient gilding recipes of mesoamerican goldsmiths. Due to the special etching treatments, different oxygen and carbon contaminations are detected close to the specimens surfaces. In addition, high energy backscattering measurements were performed with 10 and 12 MeV 4He ions in order to investigate further advantages and disadvantages when using ion energies above 9 MeV.
U2 - 10.1016/S0168-583X(97)00060-8
DO - 10.1016/S0168-583X(97)00060-8
M3 - Article
SN - 0168-583X
VL - 122
SP - 685
EP - 688
JO - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
IS - 4
ER -