نتایج جستجو برای: nano ferrites

تعداد نتایج: 51769  

Journal: :Journal of Inorganic and Organometallic Polymers and Materials 2021

Divalent ferrite nano-crystalline materials subjected to shock wave recovery analysis bringing about prolific outcomes have received widespread attention among the scientists due their outstanding contribution that has fueled enrichment of science involving high-pressure ferrites which act as focal-point current research theme. On those lines, we intend provide Raman spectroscopic and electroch...

Journal: :Materials research foundations 2021

The present review highlights the different types of nano ferrites and their surface modified composites as an alternative adsorbent in waste water treatment. In this review, recent progresses potential applications SFNPs/SFNCs for removal organic inorganic contaminants through adsorption routes are critically reviewed. There number purification techniques but is one simplest, effective economi...

Journal: :Nanoscale 2012
Gabriel Caruntu Amin Yourdkhani Marian Vopsaroiu Gopalan Srinivasan

The magnetoelectric effect that occurs in multiferroic materials is fully described by the magnetoelectric coupling coefficient induced either electrically or magnetically. This is rather well understood in bulk multiferroics, but it is not known whether the magnetoelectric coupling properties are retained at nanometre length scales in nanostructured multiferroics. The main challenges are relat...

Journal: :Nanoscale 2012
Junli Zhang Jiecai Fu Guoguo Tan Fashen Li Caiqin Luo Jianguo Zhao Erqing Xie Desheng Xue Haoli Zhang Nigel J Mellors Yong Peng

NiFe(2)O(4) multi-particle-chain nanofibres have been successfully fabricated using electrospinning followed by calcination, and their morphology, chemistry and crystal structure were characterized at the nanoscale. Individual NiFe(2)O(4) nanofibres were found to consist of many nanocrystallites stacked along the nanofibre axis. Chemical analysis shows that the atomic ratio of Ni : Fe is 1 : 2,...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پایه 1390

طراحی و سنتز پلیمر های کئوردینانسیونی متخلخل یا چارچوب های فلز- آلی به علت ساختارهای جالب این ترکیبات و قابلیت های کاربردی آنها برای ذخیره و جداسازی گاز، کاتالیز، تشخیص و جداسازی انانتیومرها، خواص مغناطیسی، تنظیم لومینسانس و غیره توجه زیادی را به خود جلب کرده است. اخیرا مشخص شده است که برخی لیگاندهای آلی مسطح صلب مثل ایمیدازول-5،4-دی کربوکسیلیک اسید (h3idc) برای تشکیل چارچوب های فلز- آلی مناسب ...

2009
Ping Hu Hai-bo Yang De-an Pan Hua Wang Jian-jun Tian Xin-feng Wang Alex A. Volinsky

Mn–Zn ferrite powders (Mn0.5Zn0.5Fe2O4) were prepared by the nitrate–citrate auto-combustion method and subsequently annealed in air or argon. The effects of heat treatment temperature on crystalline phases formation, microstructure and magnetic properties of Mn–Zn ferrite were investigated by X-ray diffraction, thermogravimetric and differential thermal analysis, scanning electron microscopy a...

Journal: :Microscopy and Microanalysis 2021

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2016
S. Kijima K. Arie K. Gotoh S. Nakashima H. Kobiki T. Kawano N. Soga S. Gotoh Arie

A new roller hearth kiln(RHK) has been developed, which satisfies not only the highest quality of Mn-Zn ferrites, but also large quantity of production. Using the RHK (the length is SOm), the total sintering time is reduced to less than 11 hours, that is shorter than the half of the case of pusher kiln. Then the productive capacity of the RHK achieved 100 ton per month. Moreover, the control of...

2017
Waseem S Khan Nawaf N Hamadneh Waqar A Khan

In this study, multilayer perception neural network (MLPNN) was employed to predict thermal conductivity of PVP electrospun nanocomposite fibers with multiwalled carbon nanotubes (MWCNTs) and Nickel Zinc ferrites [(Ni0.6Zn0.4) Fe2O4]. This is the second attempt on the application of MLPNN with prey predator algorithm for the prediction of thermal conductivity of PVP electrospun nanocomposite fi...

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