journal article·2025-11

Customized Cr 3+ ‐Doped Disordered Structures Enhance Optical Manometry

Ke Su, Lefu Mei, Zunqi Liu, Xin Pan, Pengfei Shuai, Jiyang Xie, Bin Ma, Qingfeng Guo, Cunjian Lin, Mingxing Chen, Zhijian Peng, Libing Liao, Wanbiao Hu, Guocheng Lv

Advanced Functional Materials· Volume 35· Issue 48
Publisher page

Abstract

Abstract Balancing sensitivity and detection range in dynamic pressure monitoring materials remains challenging, with commercial ruby (Al 2 O 3 :Cr 3+ ) sensors limited by strong crystal fields, restricting performance under extreme conditions. Here, an innovative strategy utilizing an ordered‐to‐disordered structural conversion in Cr 3+ doped Ca(Mg,Sc)(Al,Si)O 6 phosphors is introduced. This approach achieves a remarkable blueshift sensitivity of 15.08 nm GPa −1 –2.8 times higher than ordered structures and 41 times higher than commercial sensors while maintaining a broad detection range up to 7.5 GPa. Moreover, enhanced structural rigidity notably improves luminescence intensity and thermal stability. The findings establish a robust paradigm for designing high‐performance optical pressure sensors, significantly addressing the traditional trade‐off between sensitivity and detection range, showing promising applications in geological exploration and aerospace fields.
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Research context

OpenAlex topics: Thermal properties of materials · Transition Metal Oxide Nanomaterials · Nanopore and Nanochannel Transport Studies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Science China University of Geosciences (Beijing) Beijing 100083 China

Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes National Laboratory of Mineral Materials School of Materials Science and Technology China University of Geosciences (Beijing) Beijing 100083 China

Chemistry and Chemical Engineering College Xinjiang Agricultural University Urumqi 830052 China

Hebei Key Laboratory of Resource Low‐carbon Utilization and New Materials xiong'an Hebei 050031 China

Department of Materials Science and Engineering Southern University of Science and Technology Shenzhen 518055 China

State Key Laboratory of Physical Chemistry of Solid Surfaces Fujian Key Laboratory of Surface and Interface Engineering for High Performance Materials and College of Materials Xiamen University Xiamen 361005 China

Yunnan Key Laboratory of Electromagnetic Materials and Devices Electron Microscopy Center National Center for International Research on Photoelectric and Energy Materials School of Materials and Energy Yunnan University Kunming 650091 China

China School of Mechanical Engineering Qinghai University Xining 810016 China

Jewelry and mineral materials Laboratory of experimental teaching demonstration center Beijing. School of Gemology China University of Geosciences (Beijing) Beijing 100083 China

Graduate School of Advanced Science and Technology Japan Advanced Institute of Science and Technology Nomi 923–1292 Japan

College of Chemistry and Molecular Engineering Analytical Instrumentation Center Peking University Beijing 100871 China

Funding

National Natural Science Foundation of China · China Scholarship Council

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