Flexible bacterial cellulose / permalloy nanocomposite xerogel sheets – Size scalable magnetic actuator-cum-electrical conductor | Zendy

V. Thiruvengadam | Zendy; Satish Vitta | Zendy

Open Access

Flexible bacterial cellulose / permalloy nanocomposite xerogel sheets – Size scalable magnetic actuator-cum-electrical conductor

Author(s) -

V. Thiruvengadam,

Satish Vitta

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4977558

Subject(s) - permalloy , materials science , coercivity , superparamagnetism , nanocomposite , nanoparticle , composite material , ferromagnetism , hot pressing , carboxymethyl cellulose , pressing , magnetization , electrical resistivity and conductivity , nanotechnology , metallurgy , condensed matter physics , magnetic field , physics , engineering , quantum mechanics , electrical engineering , sodium

Permalloy nanoparticles containing bacterial cellulose hydrogel obtained afterreduction was compressed into a xerogel flexible sheet by hot pressing at 60 ° C atdifferent pressures. The permalloy nanoparticles with an ordered structure have a bimodal sizedistribution centered around 25 nm and 190 nm. The smaller nanoparticles aresuperparamagnetic while the larger particles are ferromagnetic at roomtemperature. The sheets have a room temperature magnetisation of 20 emug-1 anda coercivity of 32Oe. The electricalconductivity of the flexible sheets increases with hot pressing pressure from 7Scm-1 to 40 Scm-1 at room temperature

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