Evidence map›Paper›PMID 41974690›Full record

ArticleNature communications2026

Thermal-stress enhanced pyroelectricity in piezoelectric bimorphs.

Ching-Min Su, Ching-Che Lin, Yi-Cheng Chen, Cheng-Xiu Liu, Yong-Jyun Wang, Yu Xu, Bobo Tian, Sicheng Lu, Cong Li, Chun-Gang Duan and 8 more

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

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

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

18 authors.

Ching-Min Su *Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan.
Ching-Che Lin *Applied Science and Technology Graduate Group, University of California at Berkeley, Berkeley, CA, USA.ORCID http://orcid.org/0009-0009-7041-4093
Yi-Cheng ChenDepartment of Physics, National Taiwan Normal University, Taipei, Taiwan. yichengchen@ntnu.edu.tw.ORCID http://orcid.org/0009-0008-1594-0579
Cheng-Xiu LiuDepartment of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan.
Yong-Jyun WangDepartment of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan.
Yu XuKey Laboratory of Polar Materials and Devices (MOE), East China Normal University, Shanghai, China.
Bobo TianKey Laboratory of Polar Materials and Devices (MOE), East China Normal University, Shanghai, China.ORCID http://orcid.org/0000-0002-4251-2755
Sicheng LuState Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing, China.
Cong LiState Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics, Tsinghua University, Beijing, China.
Chun-Gang DuanKey Laboratory of Polar Materials and Devices (MOE), East China Normal University, Shanghai, China.ORCID http://orcid.org/0000-0002-5380-4980
Jan-Chi YangDepartment of Physics, National Cheng Kung University, Tainan, Taiwan.ORCID http://orcid.org/0000-0002-3549-4392
Che-Ning YehDepartment of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan.
Jyh-Ming WuDepartment of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan.ORCID http://orcid.org/0000-0001-9244-6621
Pu YuDepartment of Physics, Tsinghua University, Beijing, China.ORCID http://orcid.org/0000-0002-5513-7632
Yi-Chun ChenDepartment of Physics, National Cheng Kung University, Tainan, Taiwan.ORCID http://orcid.org/0000-0001-9435-8596
Nien-Ti TsouDepartment of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan. tsounienti@nycu.edu.tw.
Lane W MartinRice Advanced Materials Institute, Rice University, Houston, TX, USA. lwmartin@rice.edu.ORCID http://orcid.org/0000-0003-1889-2513
Ying-Hao ChuDepartment of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan. yhchu@mx.nthu.edu.tw.ORCID http://orcid.org/0000-0002-3435-9084

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Enhancing pyroelectric performance is essential for advancing thermal sensing and energy-harvesting applications. This study presents an effective strategy to achieve highly enhanced pyroelectricity in a flexible polyvinylidene fluoride/mica bimorph. Unlike conventional approaches that focus on domain-phase engineering to enhance intrinsic pyroelectric contribution, we engineer a more dominant role for the secondary pyroelectric contribution by a stress-induced shape change that couples to a change in the polarization via the piezoelectric effect. This mechanism is enabled by the favorable combination of a large thermal-expansion mismatch between the polymer (polyvinylidene fluoride) and the ceramic (mica), together with the inherent mechanical compliance of mica's flexibility, which allows interfacial thermal stresses to efficiently generate piezoelectricity. By combining experimental characterization with finite element modeling of the heterostructure's temperature-dependent curvature, interfacial thermal stress is identified as the dominant contributor to the large effects. Direct pyroelectric measurements reveal a highly enhanced pyroelectric coefficient ≈ -359 µC/m

Identifiers

PMID41974690
PMCPMC13249933

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

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.