Analisis Penambahan Fe Terhadap Sifat Listrik Dan Magnet Komposit Mwcnt-Fe
P. Purwanto, Salim Mustofa
Jurnal Kimia dan Kemasan · 2014
doi:10.24817/jkk.v36i2.1890 (opens in a new tab)
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Abstract
<div class="page" title="Page 77"><div class="layoutArea"><div class="column"><p><span>Bahan komposit </span><span>MWCNT-Fe </span><span>dibuat dengan mencampurkan serbuk </span><span>MWCNT </span><span>dan </span><span>Fe </span><span>dengan variasi kandungan </span><span>Fe </span><span>mulai dari 1% sampai 5%. Selanjutnya bahan komposit diproses </span><span>milling </span><span>selama 3 jam memakai teknik </span><span>High Energy Milling </span><span>(HEM). Hasil pola difraksi sinar- x komposit </span><span>MWCNT-Fe </span><span>menunjukkan adanya puncak </span><span>MWCNT </span><span>dan </span><span>Fe </span><span>dengan pola yang sama. Spektroskopi Raman menunjukkan puncak </span><span>D band </span><span>muncul pada 1310- 1320 cm</span><span>-1</span><span>, puncak harmonik kedua </span><span>G band </span><span>(</span><span>G’ band</span><span>) muncul pada Raman </span><span>shift </span><span>1605 cm</span><span>-1 </span><span>sampai dengan 1615 cm</span><span>-1</span><span>, dan puncak tangensial </span><span>G band </span><span>muncul pada 1580 cm</span><span>-1 </span><span>sampai dengan 1595 cm</span><span>-1</span><span>. Hasil pengukuran konduktivitas </span><span>MWCNT-Fe </span><span>dengan alat ukur LCR, menunjukkan bahwa nilai konduktivitas mengalami kenaikan sebanding dengan kenaikan berat </span><span>Fe</span><span>. Hasil parameter magnetik dengan metode VSM (</span><span>Vibrating Sample Magnetometer</span><span>) menunjukkan Magnetik Rimanen (</span><span>Mr</span><span>), Magnetik Jenuh (</span><span>Ms</span><span>) mengalami kenaikan, sedangkan Medan Koersif (</span><span>Hc</span><span>) mengalami penurunan sebanding dengan kenaikan berat Fe. </span></p></div></div></div>
Abstract licence: CC BY-SA
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