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对“YTiO中电荷转移触发的Bi近红外发射用于双模式温度传感”的评论

Comment on "Charge Transfer-Triggered Bi Near-Infrared Emission in YTiO for Dual-Mode Temperature Sensing".

作者信息

Kai Hei-Yui, Shang Longbing, Wong Ka-Leung, Duan Chang-Kui, Tanner Peter A

机构信息

Department of Chemistry, Hong Kong Baptist University, Waterloo Road, Kowloon Tong 999077, Hong Kong S. A. R., P. R. China.

CAS Key Laboratory of Microscale Magnetic Resonance, School of Physical Sciences, University of Science and Technology of China, Hefei 230026, P. R. China.

出版信息

ACS Appl Mater Interfaces. 2023 Sep 20;15(37):43226-43233. doi: 10.1021/acsami.3c11758. Epub 2023 Sep 11.

DOI:10.1021/acsami.3c11758
PMID:37695948
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10772939/
Abstract

Undoped YTiO exhibits impurity emission bands at low temperatures due to Mn and Cr, as established by codoping with these ions. Contrary to a recent report by Wang et al., , , 36834-36844, we do not observe Bi emission in this codoped host, as also is the case for Fe. The emission reported in that paper as being due to Bi in fact corresponds to Cr emission. The Cr and Mn emissions are quenched with increasing temperature, so that Mn emission is scarcely observed above 80 K. We present variable temperature optical data for YTiO and this host codoped with Mn, Cr, Fe, and Bi, as well as a theoretical justification of our results.

摘要

未掺杂的YTiO由于锰和铬，在低温下表现出杂质发射带，这是通过与这些离子共掺杂确定的。与Wang等人最近的报告（ ， ，36834 - 36844）相反，我们在这种共掺杂基质中未观察到铋发射，铁的情况也是如此。该论文中报道的归因于铋的发射实际上对应于铬发射。铬和锰的发射随着温度升高而猝灭，因此在80 K以上几乎观察不到锰发射。我们给出了YTiO以及这种与锰、铬、铁和铋共掺杂的基质的变温光学数据，以及我们结果的理论依据。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/2c82990d014f/am3c11758_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/6f08e274e78f/am3c11758_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/779911af773c/am3c11758_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/a222c8298400/am3c11758_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/9a1ad7e6d24a/am3c11758_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/3cbb58c8a24b/am3c11758_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/38fceb760030/am3c11758_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/2c82990d014f/am3c11758_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/6f08e274e78f/am3c11758_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/779911af773c/am3c11758_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/a222c8298400/am3c11758_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/9a1ad7e6d24a/am3c11758_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/3cbb58c8a24b/am3c11758_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/38fceb760030/am3c11758_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/addc/10772939/2c82990d014f/am3c11758_0007.jpg

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本文引用的文献

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Phys Chem Chem Phys. 2023 Feb 8;25(6):5082-5094. doi: 10.1039/d2cp04350e.
2
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