Optical Properties of Mg, Fe, Co-Doped Near-Stoichiometric LiTaO3 Single Crystals
Mg, Fe co-doped near-stoichiometric lithium tantalite (SLT) single crystals were grown by employing the zone-leveling Czochralski (ZLCz) technique. The optical properties, holographic parameters, as well as the composition of the grown crystals were measured. It was found that the Li/Ta ratio decrea...
Main Authors: | , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
MDPI AG
2012-01-01
|
Series: | Materials |
Subjects: | |
Online Access: | http://www.mdpi.com/1996-1944/5/2/227/ |
id |
doaj-abb519e8358846b0807d6973d56665a2 |
---|---|
record_format |
Article |
spelling |
doaj-abb519e8358846b0807d6973d56665a22020-11-25T00:18:41ZengMDPI AGMaterials1996-19442012-01-015222723810.3390/ma5020227Optical Properties of Mg, Fe, Co-Doped Near-Stoichiometric LiTaO3 Single CrystalsChung Wen LanWei Tse HsuZhi Bin ChenChien Cheng WuRavi Kant ChoubeyMg, Fe co-doped near-stoichiometric lithium tantalite (SLT) single crystals were grown by employing the zone-leveling Czochralski (ZLCz) technique. The optical properties, holographic parameters, as well as the composition of the grown crystals were measured. It was found that the Li/Ta ratio decreased with the doping of Mg and Fe ions. A red shift was observed in absorption spectrum for the Mg, Fe co-doped crystals compared to the undoped and Mg-doped ones. The effect of the iron ions (Fe2+ and Fe3+) was further discussed based on the specified absorption bands. Moreover, the occupation mechanism for the defects was discussed by using the IR absorption spectrum, which was attributed to the FeTa3− defects in the highly Fe-doped crystal. In addition, the holographic parameters were also found to be improved with a higher Fe/Ta ratio in the crystals.http://www.mdpi.com/1996-1944/5/2/227/LiTaO3 crystalsX-ray diffractionsingle crystal growthholographic properties |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Chung Wen Lan Wei Tse Hsu Zhi Bin Chen Chien Cheng Wu Ravi Kant Choubey |
spellingShingle |
Chung Wen Lan Wei Tse Hsu Zhi Bin Chen Chien Cheng Wu Ravi Kant Choubey Optical Properties of Mg, Fe, Co-Doped Near-Stoichiometric LiTaO3 Single Crystals Materials LiTaO3 crystals X-ray diffraction single crystal growth holographic properties |
author_facet |
Chung Wen Lan Wei Tse Hsu Zhi Bin Chen Chien Cheng Wu Ravi Kant Choubey |
author_sort |
Chung Wen Lan |
title |
Optical Properties of Mg, Fe, Co-Doped Near-Stoichiometric LiTaO3 Single Crystals |
title_short |
Optical Properties of Mg, Fe, Co-Doped Near-Stoichiometric LiTaO3 Single Crystals |
title_full |
Optical Properties of Mg, Fe, Co-Doped Near-Stoichiometric LiTaO3 Single Crystals |
title_fullStr |
Optical Properties of Mg, Fe, Co-Doped Near-Stoichiometric LiTaO3 Single Crystals |
title_full_unstemmed |
Optical Properties of Mg, Fe, Co-Doped Near-Stoichiometric LiTaO3 Single Crystals |
title_sort |
optical properties of mg, fe, co-doped near-stoichiometric litao3 single crystals |
publisher |
MDPI AG |
series |
Materials |
issn |
1996-1944 |
publishDate |
2012-01-01 |
description |
Mg, Fe co-doped near-stoichiometric lithium tantalite (SLT) single crystals were grown by employing the zone-leveling Czochralski (ZLCz) technique. The optical properties, holographic parameters, as well as the composition of the grown crystals were measured. It was found that the Li/Ta ratio decreased with the doping of Mg and Fe ions. A red shift was observed in absorption spectrum for the Mg, Fe co-doped crystals compared to the undoped and Mg-doped ones. The effect of the iron ions (Fe2+ and Fe3+) was further discussed based on the specified absorption bands. Moreover, the occupation mechanism for the defects was discussed by using the IR absorption spectrum, which was attributed to the FeTa3− defects in the highly Fe-doped crystal. In addition, the holographic parameters were also found to be improved with a higher Fe/Ta ratio in the crystals. |
topic |
LiTaO3 crystals X-ray diffraction single crystal growth holographic properties |
url |
http://www.mdpi.com/1996-1944/5/2/227/ |
work_keys_str_mv |
AT chungwenlan opticalpropertiesofmgfecodopednearstoichiometriclitao3singlecrystals AT weitsehsu opticalpropertiesofmgfecodopednearstoichiometriclitao3singlecrystals AT zhibinchen opticalpropertiesofmgfecodopednearstoichiometriclitao3singlecrystals AT chienchengwu opticalpropertiesofmgfecodopednearstoichiometriclitao3singlecrystals AT ravikantchoubey opticalpropertiesofmgfecodopednearstoichiometriclitao3singlecrystals |
_version_ |
1725375209838477312 |