Excellent Hole Mobility and Out-of-Plane Piezoelectricity in X-Penta-Graphene (X = Si or Ge) with Poisson's Ratio Inversion.

Sitong Liu, Xiao Shang, Xizhe Liu, Xiaochun Wang, Fuchun Liu, Jun Zhang

Abstract read

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Article in Nanomaterials (Basel, Switzerland), 2024. 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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5 · Who and what money

Authors and funding

6 authors.

Sitong LiuInstitute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China.ORCID 0009-0002-4434-027X

Xiao ShangInstitute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China.ORCID 0000-0002-7260-7018

Xizhe LiuInstitute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China.

Xiaochun WangSchool of Physics Science and Information Technology, Liaocheng University, Liaocheng 252000, China.

Fuchun LiuInstitute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China.

Jun ZhangInstitute of Atomic and Molecular Physics, Jilin University, Changchun 130012, China.

Funding

National Natural Science Foundation of China No. 11474123, No. 12374265 No. 11574116Natural Science Foundation of Jilin Province of China No. 20230101014JC No. 20220101015JC

6 · The paper itself

Abstract

Recently, the application of two-dimensional (2D) piezoelectric materials has been seriously hindered because most of them possess only in-plane piezoelectricity but lack out-of-plane piezoelectricity. In this work, using first-principles calculation, by atomic substitution of penta-graphene (PG) with tiny out-of-plane piezoelectricity, we design and predict stable 2D X-PG (X = Si or Ge) semiconductors with excellent in-plane and out-of-plane piezoelectricity and extremely high in-plane hole mobility. Among them, Ge-PG exhibits better performance in all aspects with an in-plane strain piezoelectric coefficient

Indexed as

2D materialscarrier mobilityfirst–principles calculationnegative Poisson’s ratiopiezoelectricity

Identifiers

PMID39195396

DOI10.3390/nano14161358

PMCPMC11357275

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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.