Impact of particle sizes on the microwave absorption properties of nano-sized Carbon black/epoxy composites

Sandeep Kumar Singh; Amit Kumar Yadav; Ranu Pal; M. J. Akhtar; Kamal K. Kar

Volume 3, Issue 8 , 2018, , Pages 497-500

https://doi.org/10.5185/amp.2018/7008

Abstract
  The nano-sized carbon black (NCB) with particle sizes of 15, 25, 55 and 65 nm are added in epoxy matrix in order to investigate the impact of particle sizes on the microwave absorption properties of the nano composites. The NCB powders were characterized by X-ray diffraction and Scanning electron microscopy ...  Read More

Microwave absorption properties of Fe-Co oxide - thermally exfoliated graphene oxide composite

Avanish K. Srivastava; Bhumika Samaria; Smita Soni; Virendra S Chauhan; Jitendra Singh; Rajesh K Shukla; Anuj Shukla; Narendra Kumar

Volume 3, Issue 2 , 2018, , Pages 85-92

https://doi.org/10.5185/amp.2018/836

Abstract
  In the ongoing search for newer materials for microwave absorption applications, the graphene merits a special consideration owing to its outstanding mechanical, thermal and electrical properties. Here, we report investigation on microwave absorption properties of Fe-Co oxide- thermally exfoliated graphene ...  Read More

Dielectric properties of epoxy based composites containing graphite, graphite oxide and thermally exfoliated graphene oxide

Bhumika Samaria; Avanish K. Srivastava; Virendra S Chauhan; Jitendra Singh; Smita Soni; Manoj K Dhaka; Rajesh K Shukla; Anuj Shukla; Narendra Kumar

Volume 3, Issue 2 , 2018, , Pages 93-98

https://doi.org/10.5185/amp.2018/838

Abstract
  The discovery of graphene and subsequent development of graphene-based nanocomposites in different matrices including that in polymer is an important addition in the area of nanoscience and technology. This work deals with the studies on the dielectric properties of the nanocomposites of graphite, graphite ...  Read More

Study of polyvinylalcohol/polyionic organic semiconductor as thermistor

Anandraj J; Girish M. Joshi; Mayank Pandey

Volume 2, Issue 4 , 2017, , Pages 228-230

https://doi.org/10.5185/amp.2017/405

Abstract
  We have demonstrated the successful preparation of polyvinyl alcohol (PVA) composed CuBi2S3 polyionic (PI) composites. Polymer composites were sensitive to the external stimuli, the modified PVA moiety exhibits excellent electrical property as a function of temperature. The volume resistance measured ...  Read More

Synthesis and characterization of nickel coated exfoliated graphite for microwave absorber applications

Sandeep Kumar Singh; Amit Kumar Yadav; M. J. Akhtar; K. K. Kar

Volume 2, Issue 1 , 2017, , Pages 2-5

https://doi.org/10.5185/amp.2017/102

Abstract
  Microwave absorbing material of nickel coated exfoliated graphite (Ni-EG) was prepared by electroless deposition in alkaline coating bath.  The coating time, which is an important factor to achieve good coverage of Ni particles over exfoliated graphite (EG), was properly controlled during the process. ...  Read More