{"topic":{"id":15118,"title":"Scientists Find That Ice Generates Electricity When Bent","slug":"topic","categoryId":4,"createdAt":"2025-09-17 13:59:29.039299","bumpedAt":"2025-09-17 13:59:29.191815","views":114,"postsCount":1,"highestPostNumber":1,"likeCount":0,"closed":false,"pinned":false,"pinnedGlobally":false,"pinnedAt":null,"pinnedUntil":null,"isBanner":false,"excerpt":"https://m.slashdot.org/story/446812 Scientists Find That Ice Generates Electricity When Bent from the shocking-discoveries dept. \"Phys.org is reporting on a study published in Nature Physics involving ICN2 at the UAB cam…","deletedAt":null,"isAnonymous":false,"category":{"id":4,"name":"谈笑风生","slug":"general","color":"25AAE2"},"author":{"id":4668,"username":"IO","name":null,"avatarUrl":"/uploads/image/86/f2/86f267c0aaa73835a999b7cc3a7e7a701605574eda9a2c2a56f5ddbbba64d1a9.avif"},"tags":[]},"posts":[{"id":65952,"postNumber":1,"raw":"https://m.slashdot.org/story/446812\n\n# Scientists Find That Ice Generates Electricity When Bent\n\nfrom the shocking-discoveries dept.\n\n\"Phys.org is reporting on a study [published in Nature Physics](https://www.nature.com/articles/s41567-025-02995-6?error=cookies_not_supported&code=31c732b4-dc6e-4134-a8bc-8c3d78d48499) involving ICN2 at the UAB campus, Xi'an Jiaotong University (Xi'an) and Stony Brook University (New York), showing for the first time that ordinary ice is a flexoelectric material -- meaning it [can generate electricity when subjected to mechanical deformation](https://phys.org/news/2025-09-scientists-ice-generates-electricity-bent.html),\" writes longtime Slashdot reader [fahrbot-bot](https://m.slashdot.org/~fahrbot-bot). From the report: *\"We discovered that ice generates electric charge in response to mechanical stress at all temperatures. In addition, we identified a thin 'ferroelectric' layer at the surface at temperatures below -113C (160K),\" explains Dr. Xin Wen, a member of the ICN2 Oxide Nanophysics Group and one of the study's lead researchers. \"This means that the ice surface can develop a natural electric polarization, which can be reversed when an external electric field is applied -- similar to how the poles of a magnet can be flipped. The surface ferroelectricity is a cool discovery in its own right, as it means that ice may have not just one way to generate electricity, but two: ferroelectricity at very low temperatures, and flexoelectricity at higher temperatures all the way to 0 C.\" This property places ice on a par with electroceramic materials such as titanium dioxide, which are currently used in advanced technologies like sensors and capacitors.*","cooked":"

Scientists Find That Ice Generates Electricity When Bent

from the shocking-discoveries dept.

\"Phys.org is reporting on a study published in Nature Physics involving ICN2 at the UAB campus, Xi'an Jiaotong University (Xi'an) and Stony Brook University (New York), showing for the first time that ordinary ice is a flexoelectric material -- meaning it can generate electricity when subjected to mechanical deformation,\" writes longtime Slashdot reader fahrbot-bot. From the report: \"We discovered that ice generates electric charge in response to mechanical stress at all temperatures. In addition, we identified a thin 'ferroelectric' layer at the surface at temperatures below -113C (160K),\" explains Dr. Xin Wen, a member of the ICN2 Oxide Nanophysics Group and one of the study's lead researchers. \"This means that the ice surface can develop a natural electric polarization, which can be reversed when an external electric field is applied -- similar to how the poles of a magnet can be flipped. The surface ferroelectricity is a cool discovery in its own right, as it means that ice may have not just one way to generate electricity, but two: ferroelectricity at very low temperatures, and flexoelectricity at higher temperatures all the way to 0 C.\" This property places ice on a par with electroceramic materials such as titanium dioxide, which are currently used in advanced technologies like sensors and capacitors.

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