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simple method for the preparation of fe3o4/mwcnt nanohybrid as radar absorbing material (ram)
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نویسنده
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alaei mahshad ,torkian shahab ,shams mohammad hossein ,rashidi ali morad
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منبع
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iranian journal of chemistry and chemical engineering - 2018 - دوره : 37 - شماره : 6 - صفحه:9 -14
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چکیده
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We have successfully prepared fe3o4/mwcnt nanohybrid with a very simple and economical method. multi walled carbon nanotubes (mwcnt) encapsulated with fe3o4 nanoparticles were synthesized via pyrolyzing of ferrocene. the sample was characterized with xrd, tem and vibrating sample magnetometer (vsm). also, permeability (μ) and permittivity (ε) were measured. the reflection-loss was measured at 2-18 ghz with a hp8722es vector network analyzer. in 2-18 ghz frequency range (microwave frequency), the dielectric loss (tan δe=ε″ / ε′ with an amount between 0.5-0.6) effectively improves via the addition of fe3o4/mwcnt nanohybrid in the desired composite with paraffin matrix. therefore, it can be concluded that fe3o4/mwcnt nanohybrid has good potential to improve microwave absorption and can be used as radar absorbing material (ram).
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کلیدواژه
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composites ,electronic materials ,magnetic materials ,nanostructures ,magnetic properties ,chemical synthesis ,electrical properties
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آدرس
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research institute of petroleum industry (ripi), catalyst division, iran, malek ashtar university of technology, materials engineering department, iran, malek ashtar university of technology, materials engineering department, iran, research institute of petroleum industry (ripi), nanothechnology research center, iran
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پست الکترونیکی
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rashidiam@ripi.ir
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Authors
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