Enhanced strain gradient in structural wood for high flexoelectricity.

Ying Gao, Chen Cao, Qi Xu, Qiangqiang Zhang, Jie Ji, Weihao Gao, Jingxiang Zhang, Jizeng Wang, Shuhai Liu

Abstract read

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.

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0citing papers in PubMed

–field-weighted citation impact

1 · What the graph read from it

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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

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3 · Its place in the literature

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No citing paper in PubMed yet.

4 · The record

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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

9 authors.

Ying Gao *School of Materials and Energy, Lanzhou University, Lanzhou, China.ORCID http://orcid.org/0000-0003-2716-2723

Chen Cao *School of Materials and Energy, Lanzhou University, Lanzhou, China.

Qi XuSchool of Materials and Energy, Lanzhou University, Lanzhou, China.ORCID http://orcid.org/0000-0003-0546-5360

Qiangqiang ZhangKey Laboratory of Mechanics on Disaster and Environment in Western China and the Ministry of Education of China, Lanzhou University, Lanzhou, China.ORCID http://orcid.org/0000-0002-6082-6782

Jie JiKey Laboratory of Mechanics on Disaster and Environment in Western China and the Ministry of Education of China, Lanzhou University, Lanzhou, China.

Weihao GaoMIIT Key Laboratory of Complex-field Intelligent Exploration, Beijing Institute of Technology, Beijing, China. gaowh@bit.edu.cn.ORCID http://orcid.org/0009-0005-8692-8663

Jingxiang ZhangSchool/Hospital of Stomatology, Lanzhou University, Lanzhou, China. zhangjingxiang@lzu.edu.cn.

Jizeng WangKey Laboratory of Mechanics on Disaster and Environment in Western China and the Ministry of Education of China, Lanzhou University, Lanzhou, China. jzwang@lzu.edu.cn.ORCID http://orcid.org/0000-0002-8383-5868

Shuhai LiuSchool of Materials and Energy, Lanzhou University, Lanzhou, China. liushuhai1991@live.cn.ORCID http://orcid.org/0000-0003-2459-3616

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Unlike piezoelectricity, flexoelectricity is not limited by crystalline symmetry and is therefore a more widespread electromechanical property of solids, inspiring applications in flexoelectronics, sensing, actuating and energy harvesting. It has been widely investigated in synthetic materials such as crystals, ceramics and metals, but remains unexplored in natural biomaterials like wood. Here, we report the observation of high flexoelectricity in wood, achieved through structural modification via delignification combined with compression. The structural wood exhibits a high flexoelectric coefficient (36.72 nC·m

Identifiers

PMID42020435

DOI10.1038/s41467-026-72374-z

PMCPMC13315938

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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.