Atom Probe Analysis of Nanoparticles Through Pick and Coat Sample Preparation
Atom Probe Analysis of Nanoparticles Through Pick and Coat Sample Preparation
复制标题
通过拾取和涂覆样品制备对纳米粒子进行原子探针分析
DOI:
10.1017/s1431927621000465
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发表时间:
--
影响因子:
2.8
通讯作者:
P.J. Felfer
中科院分区:
文献类型:
--
作者:
J.P. Josten;P.J. Felfer
The ability to analyze nanoparticles in the atom probe has often been limited by the complexity of the sample preparation. In this work, we present a method to lift–out single nanoparticles in the scanning electron microscope. First, nanoparticles are dispersed on a lacey carbon grid, then positioned on a sharp substrate tip and coated on all sides with a metallic matrix by physical vapor deposition. Compositional and structural insights are provided for spherical gold nanoparticles and a segregation of silver and copper in silver copper oxide nanorods is shown in 3D atom maps. Using the standard atom probe reconstruction algorithm, data quality is limited by typical standard reconstruction artifacts for heterogeneous specimens (trajectory aberrations) and the choice of suitable coatings for the particles. This approach can be applied to various unsupported free-standing nanoparticles, enables preselection of particles via correlative techniques, and reliably produces well-defined structured samples. The only prerequisite is that the nanoparticles must be large enough to be manipulated, which was done for sizes down to ~50 nm.
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DOI:
--
发表时间:
2015
期刊:
影响因子:
--
作者:
Qifeng Yang;D. Joyce;S. Saranu;G. Hughes;A. Varambhia;Michael P. Moody;P. Bagot
通讯作者:
P. Bagot
DOI:
--
发表时间:
1998
期刊:
影响因子:
--
作者:
D. Lovall;M. Buss;R. P. Andres;R. Reifenberger
通讯作者:
R. Reifenberger
影响因子:
2.2
作者:
T. Przybilla;B. A. Zubiri;A. Beltrán;B. Butz;A. Machoke;Alexandra Inayat;M. Distaso;W. Peukert;W. Schwieger;E. Spiecker
通讯作者:
T. Przybilla;B. A. Zubiri;A. Beltrán;B. Butz;A. Machoke;Alexandra Inayat;M. Distaso;W. Peukert;W. Schwieger;E. Spiecker
影响因子:
2.2
作者:
Barroo, Cedric;Akey, Austin J.;Bell, David C.
通讯作者:
Bell, David C.
影响因子:
2.2
作者:
Arslan, Ilke;Marquis, Emmanuelle A.;Bartelt, Norman C.
通讯作者:
Bartelt, Norman C.