Anomalous ferroelectricity in nanocomposites from hydrogen-bonded ferroelectrics with oxidized MWCNT

The present work reports anomalous ferroelectric properties of two nanocomposites containing oxidized multiwalled carbon nanotubes (ox-MWCNT) as an electrically conductive filler combined with each of hydrogen-bonded ferroelectrics of potassium dihydrogen phosphate (KDP) and triglycine sulfate (TGS)...

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Bibliographic Details
Published inApplied physics. A, Materials science & processing Vol. 128; no. 11
Main Author Nguyen, Hoai Thuong
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.11.2022
Springer Nature B.V
Subjects
Anomalies
Applied physics
Characterization and Evaluation of Materials
Coercivity
Condensed Matter Physics
Domain walls
Ferroelectric materials
Ferroelectricity
Freezing
Hydrogen bonding
KDP crystals
Machines
Manufacturing
Materials science
Multi wall carbon nanotubes
Nanocomposites
Nanotechnology
Optical and Electronic Materials
Oxidation
Phase transitions
Physics
Physics and Astronomy
Potassium phosphates
Processes
Surfaces and Interfaces
Thin Films
Triglycine sulfate
TGS
Oxidized MWCNT
Dielectric permittivity
Domain-wall freezing
KDP
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Summary:The present work reports anomalous ferroelectric properties of two nanocomposites containing oxidized multiwalled carbon nanotubes (ox-MWCNT) as an electrically conductive filler combined with each of hydrogen-bonded ferroelectrics of potassium dihydrogen phosphate (KDP) and triglycine sulfate (TGS). It was shown that the influence of ox-MWCNT led to the anomalous increase in a phase transition point, domain-wall freezing temperatures and coercive fields in ferroelectric parts of the composites. The OH radicals equipped on the carbon nanotube surface after oxidation were responsible for the observed anomalies.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-022-06172-x