Polarized High-Energy-Resolution Fluorescence Detection-X-ray Absorption Near-Edge Structure of the (La,Sr)(Al,Ta)O3 Single Crystal at the La L1-Edge

被引：1

作者：

Asakura, Hiroyuki ^{[1
,3
]}

Konno, Miyu ^{[1
]}

Kawamura, Naomi ^{[2
]}

Hosokawa, Saburo ^{[3
,4
]}

Teramura, Kentaro ^{[3
,5
]}

Tanaka, Tsunehiro ^{[3
,5
]}

机构：

[1] Kindai Univ, Dept Appl Chem, Fac Sci & Engn, Osaka 5778502, Japan

[2] Japan Synchrotron Radiat Res Inst JASRI, Sayo, Hyogo 6795198, Japan

[3] Kyoto Univ, Elements Strategy Initiat Catalysts & Batteries ES, Kyoto 6158245, Japan

[4] Kyoto Inst Technol, Fac Mat Sci & Engn, Kyoto 6068585, Japan

[5] Kyoto Univ, Grad Sch Engn, Dept Mol Engn, Kyoto 6158510, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2023年 / 127卷 / 50期

关键词：

LOCAL-STRUCTURE; WIDTHS;

D O I：

10.1021/acs.jpcc.3c04033

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

High-energy resolution La L1-edge X-ray absorption near-edge structure (XANES) spectra of LaAlO3 and a La-containing cubic perovskite oxide were obtained by using the high-energy-resolution fluorescence detection (HERFD) method. In the pre-edge region, two new peaks, which were not observed with the conventional measurement method, were found in the high-resolution XANES spectra and identified as dz(2) and dx 2 -y(2) final states and dxy, dyz, and dzx final states, respectively, from XANES simulations and theoretical investigations.

引用

页码：24192 / 24199

页数：8

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