The optical properties of La doped BiGaO3 polycrystalline films

Jin Zhong Zhang; Jia Jun Zhu; Qing Lin Deng; Wen Lei Yu; Ya Wei Li; Zhi Gao Hu; Xiang Jian Meng; Jun Hao Chu

doi:10.11972/j.issn.1001-9014.2015.04.012

The optical properties of La doped BiGaO₃ polycrystalline films

Jin Zhong Zhang
, Jia Jun Zhu
, Qing Lin Deng
, Wen Lei Yu
, Ya Wei Li
, Zhi Gao Hu^*
, Xiang Jian Meng
, Jun Hao Chu

^*Corresponding author for this work

School of Physics and Electronic Science

CAS - Shanghai Institute of Technical Physics
East China Normal University
Wenzhou Medical University

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

La doped BiGaO₃ (LxBGO) films were fabricated by the Sol-Gel method on the Pt/Ti/SiO₂/Si substrates. X-ray diffraction analysis shows that the films are polycrystalline with an orthorhombic structure. The atomic force microscopy images of the LxBGO films suggest that the surface morphology is smooth. The optical properties of the samples were investigated by the spectroscopic ellipsometry in detail. The dielectric functions were extracted and in good agreement with the Adachi dispersion function. More one step, the optical band gap tends to increase with increasing La composition, which is consistent with the results of theoretical prediction. These results are helpful for the fabrication of Bi-based opto-electrical devices such as ultraviolet detectors.

Original language	English
Pages (from-to)	447-451
Number of pages	5
Journal	Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves
Volume	34
Issue number	4
DOIs	https://doi.org/10.11972/j.issn.1001-9014.2015.04.012
State	Published - 1 Aug 2015

Keywords

BiGaO
Optical band gap
Optical constants
Optical properties
Spectroscopic ellipsometry

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10.11972/j.issn.1001-9014.2015.04.012

Cite this

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title = "The optical properties of La doped BiGaO3 polycrystalline films",

abstract = "La doped BiGaO3 (LxBGO) films were fabricated by the Sol-Gel method on the Pt/Ti/SiO2/Si substrates. X-ray diffraction analysis shows that the films are polycrystalline with an orthorhombic structure. The atomic force microscopy images of the LxBGO films suggest that the surface morphology is smooth. The optical properties of the samples were investigated by the spectroscopic ellipsometry in detail. The dielectric functions were extracted and in good agreement with the Adachi dispersion function. More one step, the optical band gap tends to increase with increasing La composition, which is consistent with the results of theoretical prediction. These results are helpful for the fabrication of Bi-based opto-electrical devices such as ultraviolet detectors.",

keywords = "BiGaO, Optical band gap, Optical constants, Optical properties, Spectroscopic ellipsometry",

author = "Zhang, \{Jin Zhong\} and Zhu, \{Jia Jun\} and Deng, \{Qing Lin\} and Yu, \{Wen Lei\} and Li, \{Ya Wei\} and Hu, \{Zhi Gao\} and Meng, \{Xiang Jian\} and Chu, \{Jun Hao\}",

year = "2015",

month = aug,

day = "1",

doi = "10.11972/j.issn.1001-9014.2015.04.012",

language = "英语",

volume = "34",

pages = "447--451",

journal = "Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves",

issn = "1001-9014",

publisher = "Chinese Optical Society",

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TY - JOUR

T1 - The optical properties of La doped BiGaO3 polycrystalline films

AU - Zhang, Jin Zhong

AU - Zhu, Jia Jun

AU - Deng, Qing Lin

AU - Yu, Wen Lei

AU - Li, Ya Wei

AU - Hu, Zhi Gao

AU - Meng, Xiang Jian

AU - Chu, Jun Hao

PY - 2015/8/1

Y1 - 2015/8/1

N2 - La doped BiGaO3 (LxBGO) films were fabricated by the Sol-Gel method on the Pt/Ti/SiO2/Si substrates. X-ray diffraction analysis shows that the films are polycrystalline with an orthorhombic structure. The atomic force microscopy images of the LxBGO films suggest that the surface morphology is smooth. The optical properties of the samples were investigated by the spectroscopic ellipsometry in detail. The dielectric functions were extracted and in good agreement with the Adachi dispersion function. More one step, the optical band gap tends to increase with increasing La composition, which is consistent with the results of theoretical prediction. These results are helpful for the fabrication of Bi-based opto-electrical devices such as ultraviolet detectors.

AB - La doped BiGaO3 (LxBGO) films were fabricated by the Sol-Gel method on the Pt/Ti/SiO2/Si substrates. X-ray diffraction analysis shows that the films are polycrystalline with an orthorhombic structure. The atomic force microscopy images of the LxBGO films suggest that the surface morphology is smooth. The optical properties of the samples were investigated by the spectroscopic ellipsometry in detail. The dielectric functions were extracted and in good agreement with the Adachi dispersion function. More one step, the optical band gap tends to increase with increasing La composition, which is consistent with the results of theoretical prediction. These results are helpful for the fabrication of Bi-based opto-electrical devices such as ultraviolet detectors.

KW - BiGaO

KW - Optical band gap

KW - Optical constants

KW - Optical properties

KW - Spectroscopic ellipsometry

UR - https://www.scopus.com/pages/publications/84946038531

U2 - 10.11972/j.issn.1001-9014.2015.04.012

DO - 10.11972/j.issn.1001-9014.2015.04.012

M3 - 文章

AN - SCOPUS:84946038531

SN - 1001-9014

VL - 34

SP - 447

EP - 451

JO - Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves

JF - Hongwai Yu Haomibo Xuebao/Journal of Infrared and Millimeter Waves

IS - 4

ER -

The optical properties of La doped BiGaO₃ polycrystalline films

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Keywords

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