Microwave properties of composite Ba0.5Sr0.5Fe11.7Mn0.15Ti0.15O19/La0.7Ba0.3MnO3 material

Viktor Vekky Ronald Repi, Azwar Manaf, Bambang Soegiono

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

Mn-Ti substituted Barium - Strontium Hexaferrite and Barium - Lanthanum Manganite both well established materials which have been shown poses microwave absorbtion properties. As the properties of composite system are a composition sensitive, composite materials must be properly designed to meet a specific application. In this paper, we report our recent investigation on microwave absorbtion properties of composite Ba0.5Sr0.5Fe11.7Mn0.15Ti0.15O19/La0.7Ba0.3MnO3 system. Composite components respectively Ba0.5Sr0.5Fe11.7Mn0.15Ti0.15O19 and La0.7Ba0.3MnO3were prepared through mechanical alloying route employing a planetary ball mill for 20 hrs. The two milled powders were sintered at a temperature 1100 0C for 10 hours to ensure the crystallization towards fully crystalline materials. Composites with 2 different compositions were studied by FTIR and VNA from which results were compared with that of each component. Results of the investigation concluded that, the composite of Ba0.5Sr0.5Fe11.7Mn0.15Ti0.15O19/La0.7Ba0.3MnO3 system is a good microwave absorbing material in the frequency range 9 GHz-15 GHz, particularly, sample with coded A03B07 has a wide range frequencies absorption.

Original languageEnglish
Title of host publicationAdvanced Materials Science and Technology - ICAMST 2013
PublisherTrans Tech Publications
Pages440-443
Number of pages4
ISBN (Print)9783038350316
DOIs
Publication statusPublished - 1 Jan 2014
Event2013 International Conference on Advanced Materials Science and Technology, ICAMST 2013 - Yogyakarta, Indonesia
Duration: 17 Sep 201318 Sep 2013

Publication series

NameAdvanced Materials Research
Volume896
ISSN (Print)1022-6680

Conference

Conference2013 International Conference on Advanced Materials Science and Technology, ICAMST 2013
CountryIndonesia
CityYogyakarta
Period17/09/1318/09/13

Keywords

  • Absorber material
  • Composite material
  • Magnetic and electric material
  • Mechanical alloying
  • Microwave properties

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