About Ferrites

solid oxide fuel cell cathode and electrolyte cross section by SEM

Ferrites are iron oxide-based ceramic materials with magnetic properties, useful in many types of electronic devices and building materials. Ferrites are hard, brittle, generally gray or black, and typically have a crystal structure which has more than one type of site for the cations. Usually the magnetic moments of the metal ions on sites of one type are parallel to each other and anti-parallel to the moments on at least one site of another type. Ferrites are produced by sintering finely powdered precursor compounds in molds, milling the resulting material into a fine powder, and then re-sintering, with the second sintering round usually conducted in a magnetic field to ensure that the particles align properly.

Commercial ferrites can be classified as hard or soft.

Soft ferrites are used in transformer or electromagnetic cores. They have low coercivity and high resistivity, and contain iron, oxygen, zinc, or manganese.

Hard ferrites have high coercivity, and therefore are used as permanent magnets. Since ferrite permanent magnets are cheaper, and also weaker, than other available permanent magnets, they are frequently used in household products such as refrigerator magnets, and as mediums for magnetic recording. Strontium ferrite, barium ferrite, and Cobalt Ferritecobalt ferrite are all considered hard ferrites.

Recent Research & Development for Ferrites

Synthesis of Rice-Husk-Carbon-Supported Nickel Ferrite Catalyst for Reduction of Nitrophenols., Han, Fengyan, Xu Xusheng, Fu Yongsheng, and Wang Xin , J Nanosci Nanotechnol, 2019 Sep 01, Volume 19, Issue 9, p.5838-5846, (2019)

A Novel Study: The Effect of Graphene Oxide on the Morphology, Crystal Structure, Optical and Electrical Properties of Lanthanum Ferrite Based Nano Electroceramics Synthesized by Hydrothermal Method., Aydin, Cihat, Aydin Handan, Taskin Mustafa, and Yakuphanoglu Fahrettin , J Nanosci Nanotechnol, 2019 May 01, Volume 19, Issue 5, p.2547-2555, (2019)

Unary and binary adsorption studies of lead and malachite green onto a nanomagnetic copper ferrite/drumstick pod biomass composite., Khan, Moonis Ali, Otero Marta, Kazi Mohsin, Alqadami Ayoub Abdullah, Wabaidur Saikh Mohammad, Siddiqui Masoom Raza, Alothman Zeid Abdullah, and Sumbul Sadia , J Hazard Mater, 2019 Mar 05, Volume 365, p.759-770, (2019)

Electrical and Magnetic Properties of Barium Hexaferrite Modified Barium Zirconium Titanate Lead-Free Ceramics., Jarupoom, Pakpoom, Jaita Pharatree, Manotham Supalak, Phatungthane Thanatep, Chokethawai Komsanti, Randorn Chamnan, and Rujijanagul Gobwute , J Nanosci Nanotechnol, 2019 Mar 01, Volume 19, Issue 3, p.1276-1282, (2019)

Study of structural and magnetic properties and heat induction of gadolinium-substituted manganese zinc ferrite nanoparticles for in vitro magnetic fluid hyperthermia., Jadhav, S V., Shewale P S., Shin B C., Patil M P., Kim G D., Rokade A A., Park S S., Bohara R A., and Yu Y S. , J Colloid Interface Sci, 2019 Jan 17, Volume 541, p.192-203, (2019)

Arsenic surface complexation behavior in aqueous systems onto Al substituted Ni, Co, Mn, and Cu based ferrite nano adsorbents., Penke, Yaswanth K., Tiwari Nidhi, Jha Shambunath, Bhattacharyya Dibyendu, Ramkumar Janakarajan, and Kar Kamal K. , J Hazard Mater, 2019 Jan 05, Volume 361, p.383-393, (2019)

Comparative Heating Efficiency of Cobalt-, Manganese-, and Nickel-Ferrite Nanoparticles for a Hyperthermia Agent in Biomedicines., Dönmez, Çiğdem E. Demirci, Manna Palash K., Nickel Rachel, Aktürk Selçuk, and van Lierop Johan , ACS Appl Mater Interfaces, 2019 Feb 20, Volume 11, Issue 7, p.6858-6866, (2019)

Crystallographic and electronic evolution of lanthanum strontium ferrite (LaSrFeO) thin film and bulk model systems during iron exsolution., Götsch, Thomas, Köpfle Norbert, Grünbacher Matthias, Bernardi Johannes, Carbonio Emilia A., Hävecker Michael, Knop-Gericke Axel, Bekheet Maged F., Schlicker Lukas, Doran Andrew, et al. , Phys Chem Chem Phys, 2019 Feb 13, Volume 21, Issue 7, p.3781-3794, (2019)

Active cobalt induced high catalytic performances of cobalt ferrite nanobrushes for the reduction of p-nitrophenol., Zhang, Yuxi, Fang Hao, Zhang Yanqiao, Wen Ming, Wu Dandan, and Wu Qingsheng , J Colloid Interface Sci, 2019 Feb 01, Volume 535, p.499-504, (2019)

Analysis of grain growth, structural and magnetic properties of Li-Ni-Zn ferrite under the influence of sintering temperature., Islam, M A., M Rahaman Zahidur, Hasan Md Mehedi, and Hossain A K. M. Akther , Heliyon, 2019 Feb, Volume 5, Issue 2, p.e01199, (2019)

Polypropylene Nanocomposite Filled with Spinel Ferrite NiFeO Nanoparticles and In-Situ Thermally-Reduced Graphene Oxide for Electromagnetic Interference Shielding Application., Yadav, Raghvendra Singh, Kuřitka Ivo, Vilčáková Jarmila, Machovský Michal, Škoda David, Urbánek Pavel, Masař Milan, Gořalik Marek, Urbánek Michal, Kalina Lukáš, et al. , Nanomaterials (Basel), 2019 Apr 16, Volume 9, Issue 4, (2019)

Comparison of Fenton and bismuth ferrite Fenton-like pretreatments of sugarcane bagasse to enhance enzymatic saccharification., Zhang, Yuting, Liang Ju, Zhou Wenbing, and Xiao Naidong , Bioresour Technol, 2019 Apr 13, Volume 285, p.121343, (2019)

Catalytic ozonation of di-n-butyl phthalate degradation using manganese ferrite/reduced graphene oxide nanofiber as catalyst in the water., Ren, Yueming, Zhang Huiyu, An Hongze, Zhao Ying, Feng Jing, Xue Lili, Luan Tianzhu, and Fan Zhuangjun , J Colloid Interface Sci, 2018 Sep 15, Volume 526, p.347-355, (2018)

Ultrafine Mn ferrite by anchoring in a cellulose framework for efficient toxic ions capture and fast water/oil separation., Wang, Hanwei, Chen Yipeng, Dang Baokang, Shen Xiaoping, Jin Chunde, Sun Qingfeng, and Pei Jianchuan , Carbohydr Polym, 2018 Sep 15, Volume 196, p.117-125, (2018)

Doxorubicin hydrochloride - Loaded electrospun chitosan/cobalt ferrite/titanium oxide nanofibers for hyperthermic tumor cell treatment and controlled drug release., Radmansouri, Maryam, Bahmani Ehsan, Sarikhani Einollah, Rahmani Keivan, Sharifianjazi Fariborz, and Irani Mohammad , Int J Biol Macromol, 2018 Sep, Volume 116, p.378-384, (2018)