Articles with "negative longitudinal" as a keyword



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Ferroelectric Polymers Exhibiting Negative Longitudinal Piezoelectric Coefficient: Progress and Prospects

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Published in 2020 at "Advanced Science"

DOI: 10.1002/advs.201902468

Abstract: Abstract Piezoelectric polymers are well‐recognized to hold great promise for a wide range of flexible, wearable, and biocompatible applications. Among the known piezoelectric polymers, ferroelectric polymers represented by poly(vinylidene fluoride) and its copolymer poly(vinylidene fluoride‐co‐trifluoroethylene)… read more here.

Keywords: piezoelectric coefficients; longitudinal piezoelectric; ferroelectric polymers; negative longitudinal ... See more keywords
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Negative Longitudinal Piezoelectricity Coexisting with both Negative and Positive Transverse Piezoelectricity in a Hybrid Formate Perovskite.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c09828

Abstract: Negative longitudinal piezoelectric response is a rare property, which has been found mostly in inorganic materials. We use first-principles density functional theory simulations to predict such an unusual response in [NH2NH3]Co(HCOO)3 ─a representative of a large… read more here.

Keywords: response; positive transverse; piezoelectricity; negative positive ... See more keywords
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Negative longitudinal magnetoresistance in gallium arsenide quantum wells

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Published in 2019 at "Nature Communications"

DOI: 10.1038/s41467-018-08199-2

Abstract: Negative longitudinal magnetoresistances (NLMRs) have been recently observed in a variety of topological materials and often considered to be associated with Weyl fermions that have a defined chirality. Here we report NLMRs in non-Weyl GaAs… read more here.

Keywords: quantum; disorder; longitudinal magnetoresistance; negative longitudinal ... See more keywords