Optical properties of Nd^(3+) ions doped GdTaO_(4) for pressure and temperature sensing  

作　　者：Pengyu Zhou Qingli Zhang Fang Peng Baoquan Sun Xiuming Dou Bao Liu Dandan Han Yongzhou Xue Kun Ding 

机构地区：[1]School of Science,Northeast Electric Power University,Jilin 132012,China [2]Key Laboratory of Photonic Devices and Materials,Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Hefei 230031,China [3]State Key Laboratory of Superlattices and Microstructures,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China

出　　处：《Journal of Rare Earths》2022年第6期870-877,I0001,共9页稀土学报（英文版）

基　　金：Project supported by the National Natural Science Foundation of China(11804047);Science and Technology Development Program of Jilin City(201831733);Development Program of Education Department of Jilin Province(JJKH20180425KJ)。

摘　　要：Pressure-and temperature-dependent luminescence properties of ^(3)F_(3/2)→^(4)I9/2 transition of Nd^(3+):GdTaO_(4) were studied for potential applications in optical sensing.Two isolated emission lines corresponding to^(3)F_(3/2)(R2,1)→^(4)I_(9/2)(Z5)transitions,located at 920 and 927 nm under ambient condition,are very sensitive to pressure with coefficients of-15.6 and-14.5 cm^(-1)/GPa determined in a pressure range up to about 9 GPa.The luminescence intensity ratio between the two emission lines exhibits a large dependence with temperature in a range from 80 to 620 K,the corresponding temperature sensitivity at room temperature is similar to that of Nd^(3+):YAG.These advantages,together with the other observed features of high stable position relationship under pressure and low thermal shifts for the two emission lines indicate that Nd^(3+):GdTaO_(4) is a promising candidate to be used as pressure and temperature sensors in the near-infrared spectral range.

关 键 词：Trivalent neodymium ion Rare-earth tantalate Near-infrared luminescence Pressure sensing Temperature sensing 

分 类 号：TP212.11[自动化与计算机技术—检测技术与自动化装置] TB30[自动化与计算机技术—控制科学与工程]