Tunable electrical conductivity of nickel-polypyrrole microparticle suspensions under electric and magnetic fields

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F70883521%3A28110%2F25%3A63596779" target="_blank" >RIV/70883521:28110/25:63596779 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/70883521:28610/25:63596779

Výsledek na webu

<a href="https://pubs.rsc.org/en/content/articlelanding/2025/tc/d5tc01039j" target="_blank" >https://pubs.rsc.org/en/content/articlelanding/2025/tc/d5tc01039j</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1039/d5tc01039j" target="_blank" >10.1039/d5tc01039j</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Tunable electrical conductivity of nickel-polypyrrole microparticle suspensions under electric and magnetic fields

Popis výsledku v původním jazyce

This study presents a new class of low-cost composite materials based on a silicone oil suspension containing nickel-based hybrid microparticles in equal volume fractions. Two types of suspensions were prepared using magnetic particles with different compositions. The nickel content of the hybrid microparticles was 78.3 and 83.4 wt% nickel core, respectively, with the rest being a polypyrrole coating composed of nanoparticles and nanotubes. Utilizing a specialized experimental setup, we investigated the influence of nickel concentrations on the electrical conduction properties of the suspensions. The measurements were performed under electric and combined electric and magnetic fields. Our findings demonstrate that the electrical conductivity has a non-linear response with external fields and it can be effectively tuned through the nickel content and the external fields. A model was developed to understand the observed trends. These findings have significant implications for the design and optimization of advanced materials in applications requiring the precise control of electrical properties under varying field conditions.

Název v anglickém jazyce

Tunable electrical conductivity of nickel-polypyrrole microparticle suspensions under electric and magnetic fields

Popis výsledku anglicky

This study presents a new class of low-cost composite materials based on a silicone oil suspension containing nickel-based hybrid microparticles in equal volume fractions. Two types of suspensions were prepared using magnetic particles with different compositions. The nickel content of the hybrid microparticles was 78.3 and 83.4 wt% nickel core, respectively, with the rest being a polypyrrole coating composed of nanoparticles and nanotubes. Utilizing a specialized experimental setup, we investigated the influence of nickel concentrations on the electrical conduction properties of the suspensions. The measurements were performed under electric and combined electric and magnetic fields. Our findings demonstrate that the electrical conductivity has a non-linear response with external fields and it can be effectively tuned through the nickel content and the external fields. A model was developed to understand the observed trends. These findings have significant implications for the design and optimization of advanced materials in applications requiring the precise control of electrical properties under varying field conditions.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10305 - Fluids and plasma physics (including surface physics)

Projekt

<a href="/cs/project/GA23-07244S" target="_blank" >GA23-07244S: Anizotropní magnetoreologické elastomery s řízenými elektrickými vlastnostmi</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Materials Chemistry C

ISSN

2050-7526

e-ISSN

2050-7534

Svazek periodika

13

Číslo periodika v rámci svazku

31

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

9

Strana od-do

15997-16005

Kód UT WoS článku

001522362100001

EID výsledku v databázi Scopus

2-s2.0-105009812763