Exceptional point-enhanced piezoelectric thermometry via anti-parity-time symmetry.

Jiajun Wang, Jie Li, Bei Wu, Xiwei Huang, Wenjun Li, Jikui Luo, Minye Yang, Shurong Dong, Weipeng Xuan

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Article in Microsystems & nanoengineering, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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9 authors.

Jiajun Wang *College of Electronics and Information, Ministry of Education Key Laboratory of RF Circuits and System, Hangzhou Dianzi University, Hangzhou, China.

Jie Li *College of Electronics and Information, Ministry of Education Key Laboratory of RF Circuits and System, Hangzhou Dianzi University, Hangzhou, China.

Bei WuCollege of Electronics and Information, Ministry of Education Key Laboratory of RF Circuits and System, Hangzhou Dianzi University, Hangzhou, China.

Xiwei HuangCollege of Electronics and Information, Ministry of Education Key Laboratory of RF Circuits and System, Hangzhou Dianzi University, Hangzhou, China.ORCID http://orcid.org/0000-0002-2364-0479

Wenjun LiCollege of Electronics and Information, Ministry of Education Key Laboratory of RF Circuits and System, Hangzhou Dianzi University, Hangzhou, China.

Jikui LuoCollege of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, 310027, China.ORCID http://orcid.org/0000-0003-0310-2443

Minye YangSchool of Artificial Intelligence, Optics and Electronics, Northwestern Polytechnical University, Xi'an, 710072, Shaanxi, China. myang@nwpu.edu.cn.ORCID http://orcid.org/0000-0002-4659-7063

Shurong DongCollege of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, 310027, China. dongshurong@zju.edu.cn.ORCID http://orcid.org/0000-0002-8715-7072

Weipeng XuanCollege of Electronics and Information, Ministry of Education Key Laboratory of RF Circuits and System, Hangzhou Dianzi University, Hangzhou, China. xuanweipeng@hdu.edu.cn.ORCID http://orcid.org/0000-0002-4818-2881

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Temperature monitoring underpins critical processes in electronics, energy systems, and biomedical applications. Piezoelectric resonant temperature sensors based on lead zirconate titanate (PZT) are widely favored for their rapid thermal response and compact size, yet their linear temperature dependence severely limits the sensitivity. Here, we introduce a novel approach to piezoelectric thermometry by applying non-Hermitian physics and anti-parity-time (APT) symmetry to PZT resonators. The system couples two PZT resonators through energy interactions with gain/loss, forming an APT-symmetric architecture that operates at an exceptional point (EP). This configuration dramatically amplifies minute temperature-induced perturbations, achieving an ultrahigh temperature coefficient of frequency (TCF) of -1500 ppm·K

Identifiers

PMID42289402

DOI10.1038/s41378-026-01353-7

PMCPMC13265762

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.