Ceria-based ceramics surface investigation

被引：2

作者：

Zagaynov, Igor V. ^{[1
]}

Buryak, Aleksey K. ^{[2
]}

机构：

[1] AA Baikov Inst Met & Mat Sci, Leninskii Pr 49, Moscow, Russia

[2] AN Frumkin Inst Phys Chem & Electrochem, Leninskii pr 31 bl 4, Moscow, Russia

来源：

CERAMICS INTERNATIONAL | 2023年 / 49卷 / 23期

关键词：

Ceria; Surface composition; LDI-TOF; SMALL-MOLECULE ANALYSIS; MASS-SPECTROMETRY; SOLID-SOLUTIONS; CU; CO; CATALYSTS; NANOPARTICLES; CHEMISTRY; PR; ZR;

D O I：

10.1016/j.ceramint.2023.09.302

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ceria-based nanopowders and ceramics have been prepared and their surfaces were investigated by a set of methods. Depending on the method used: HRTEM-(HAADF-STEM)-EDS, XPS, ICP-MS, SEM-EDS, LDI-TOF, it is possible to estimate the amount of dopants included in the composition of the ceria-containing sample. The method of laser desorption/ionization time of flight (LDI-TOF) mass spectrometry was used to establish the composition of powders and ceramics. Based on structural cationic fragments in the mass spectra, the surface composition was estimated. It is shown that the surface composition according to XPS and LDI data for powders are in good agreement.

引用

页码：39729 / 39735

页数：7

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