@article{20181219113550-048770,
author={{en-px-E002-b(Px@783)}},
title={Fraction at \nolinkurl{/ISEI/main/1270/Hayabusa 1/mount-E002-b/}},
journal={\href{http://dream.misasa.okayama-u.ac.jp/?q=20181219113550-048770}{DREAM}},
volume={20},
pages={20181219113550-048770},
year={2018},
url={http://dream.misasa.okayama-u.ac.jp/?q=20181219113550-048770},
}
<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
<acquisition>
<global_id>20110524103255-303-452</global_id>
<name>in-situ O isotope for low-Ca Px@783</name>
<device>SIMS Cameca ims-1270</device>
<technique>SIMS</technique>
<operator>tk</operator>
<sample_global_id>20181219113550-048770</sample_global_id>
<sample_name>en-px-E002-b(Px@783)</sample_name>
<description>primary impact energy 20 keV
gold coat (50+)200 × 3 °A
secondary accelerating voltage −10 kV
primary beam current 200 pA (4H × 3V μm)
primary beam raster 5 × 5 μm (7 × 7 μm for first 140 s)
entrance slit width 80 μm
field aperture dimension 800 × 800 μm (20 × 20 μm on sample)
energy band pass from −10 to +30 (40 eV width)
exit slit width 200 μm for 17O− and 400 μm for 16O− and 18O−
mass resolution (m/�m) 8,000 for 17O− and 2,400 for 16O− and 18O−
detectors FC (L’2), EM (axial), and EM (H1) for 16O−, 17O−, and 18O−
peam optimization automatic FA centering at beginning (30 s)
mass calibration automatic mass centering at beginning (15 s)
pre-sputter duration 3 min 10 s including beam optimization and mass calibration
secondary ion integration 14.5 s × 40 cycles
contribution of 16OH− to 17O− less than 0.1h
background estimation every 1 hour</description>
<spot>
<global_id>20120224172026-053-377</global_id>
<attachment_file_global_id>20110516174859-671-420</attachment_file_global_id>
<attachment_file_path>/pub/system/attachment_files/0003/2809/en-px-E002-b-BSE.jpg?1305568139</attachment_file_path>
<x_image>-10.0</x_image>
<y_image>-8.699999999999996</y_image>
<x_overpic>40.0</x_overpic>
<y_overpic>31.300000000000004</y_overpic>
<x_vs>-3.210737</x_vs>
<y_vs>20.997960000000006</y_vs>
</spot>
<chemistries>
<analysis>
<nickname>d18O</nickname>
<value>1.7</value>
<unit>permil</unit>
<uncertainty>0.5</uncertainty>
<label></label>
<info></info>
</analysis>
<analysis>
<nickname>d17O</nickname>
<value>1.7</value>
<unit>permil</unit>
<uncertainty>0.5</uncertainty>
<label></label>
<info></info>
</analysis>
<analysis>
<nickname>D17O</nickname>
<value>0.8</value>
<unit>permil</unit>
<uncertainty>0.5</uncertainty>
<label/>
<info/>
</analysis>
</chemistries>
</acquisition>
</acquisitions>