Search Results - "Chinnasamy, C. N."

Synthesis of size-controlled cobalt ferrite particles with high coercivity and squareness ratio by Chinnasamy, C.N, Senoue, M, Jeyadevan, B, Perales-Perez, Oscar, Shinoda, K, Tohji, K

“…Cobalt ferrite particles with diameters ranging from a few micrometer to about 15 nm were synthesized using a modified oxidation process. The fine control of…”
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Unusually high coercivity and critical single-domain size of nearly monodispersed CoFe2O4 nanoparticles by Chinnasamy, C. N., Jeyadevan, B., Shinoda, K., Tohji, K., Djayaprawira, D. J., Takahashi, M., Joseyphus, R. Justin, Narayanasamy, A.

“…Nearly monodispersed CoFe2O4 nanoparticles with average sizes between 8 and 100 nm were synthesized by using seed-mediated growth dominant coprecipitation and…”
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Néel temperature enhancement in nanostructured nickel zinc ferrite by Ponpandian, N., Narayanasamy, A., Chinnasamy, C. N., Sivakumar, N., Greneche, J.-M., Chattopadhyay, K., Shinoda, K., Jeyadevan, B., Tohji, K.

“…The Néel temperature of Ni 0.5 Zn 0.5 Fe 2 O 4 spinel ferrite increases significantly from 538 K in the bulk state to 592 K when the grain size is reduced to…”
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Eddy-current-resistant SmCo5/CaF2 magnets produced via high-energy milling in polar and non-polar liquids by Gabay, A.M., Marinescu-Jasinski, M., Chinnasamy, C.N., Liu, J.F., Hadjipanayis, G.C.

“…Processes of high-energy ball milling of SmCo5 alloys were compared for three single-liquid environments without using additional surfactants. Both coarsely…”
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Textured Sc-Doped Barium-Ferrite Compacts for Microwave Applications Below 20 GHz by Sakai, T., Yajie Chen, Chinnasamy, C.N., Vittoria, C., Harris, V.G.

“…Sc is substituted for Fe in Ba M-type hexaferrite to reduce the anisotropy field and shift the ferromagnetic resonance (FMR) frequency to below 20 GHz. We have…”
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Growth dominant Co-precipitation process to achieve high coercivity at room temperature in CoFe2O4 nanoparticles by CHINNASAMY, C. N, JEYADEVAN, B, PERALES-PEREZ, O, SHINODA, K, TOHJI, K, KASUYA, A

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On the magnetic properties of ultra-fine zinc ferrites by Anantharaman, M.R., Jagatheesan, S., Malini, K.A., Sindhu, S., Narayanasamy, A., Chinnasamy, C.N., Jacobs, J.P., Reijne, S., Seshan, K., Smits, R.H.H., Brongersma, H.H.

“…Zinc ferrite belongs to the class of normal spinels where it is assumed to have a cation distribution of Zn 2+(Fe 3+) 2(O 2−) 4, and it is purported to be…”
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Ferrimagnetic ordering in nanostructured zinc ferrite by CHINNASAMY, C. N, NARAYANASAMY, A, PONPANDIAN, N, CHATTOPADHYAY, K, GUERAULT, H, GRENECHE, J-M

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Effect of cycling on the magnetization of ion exchanged magnetic nanocomposite based on polystyrene by MALINI, K. A, ANANTHARAMAN, M. R, SINDHU, S, CHINNASAMY, C. N, PONPANDIAN, N, NARAYANASAMY, A, BALACHANDRAN, M, SIVASANKARA PILLAI, V. N

“…Magnetic nanocomposites containing iron oxide particles embedded in a polymer matrix have been synthesized using the method of ion exchange. They have been…”
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Enhanced Néel temperature in Mn ferrite nanoparticles linked to growth-rate-induced cation inversion by Yang, Aria, Chinnasamy, C N, Greneche, J M, Chen, Yajie, Yoon, Soack D, Chen, Zhaohui, Hsu, Kailin, Cai, Zhuhua, Ziemer, Kate, Vittoria, C, Harris, V G

“…Mn ferrite (MnFe(2)O(4)) nanoparticles, having diameters from 4 to 50 nm, were synthesized using a modified co-precipitation technique in which mixed metal…”
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Synthesis and magnetic properties of core-shell structured (NiCo)O(AFM)-NiCo(FM) magnetic nanoparticles by Jeyadevan, B., Chinnasamy, C.N., Perales-Perez, O., Iwasaki, Y., Hobo, A., Shinoda, K., Tohji, K., Kasuya, A.

“…We have succeeded in the synthesis of nanometer size monodispersed Ni-Co metal particles through the modified-polyol process. Ni-Co metal particles of about 40…”
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Structure and magnetic properties of nanocrystalline ferrimagnetic CdFe2O4 spinel by CHINNASAMY, C. N, NARAYANASAMY, A, GRENECHE, J-M, PONPANDIAN, N, JOSEYPHUS, R. Justin, CHATTOPADHYAY, K, SHINODA, K, JEYADEVAN, B, TOHJI, K, NAKATSUKA, K, GUERAULT, H

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High Performance Compact Microstripline Phase Shifter at C-Band Using Yttrium Iron Garnet by Viswanathan, I., Yoon, S.D., Sakai, T., Geiler, A.L., Wang, J.W., Chinnasamy, C.N., Vittoria, C., Harris, V.G.

“…We report the fabrication of planar microstripline reciprocal phase shifter using a bulk Yttrium Iron Garnet (YIG) material. The propagation direction of the…”
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Grain size effect on the Néel temperature and magnetic properties of nanocrystalline NiFe2O4 spinel by Chinnasamy, C.N, Narayanasamy, A, Ponpandian, N, Justin Joseyphus, R, Jeyadevan, B, Tohji, K, Chattopadhyay, K

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Synthesis and magnetic properties of Co1-xIrx alloy nanoparticles for high-frequency applications by CHINNASAMY, C. N, OGAWA, T, HASEGAWA, D, YANG, H. T, YOON, S. D, HARRIS, V. G, TAKAHASHI, Migaku

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Synthesis and Magnetic Properties of Co }Ir Alloy Nanoparticles for High-Frequency Applications by Chinnasamy, C.N., Ogawa, T., Hasegawa, D., Yang, H.T., Yoon, S.D., Harris, V.G., Takahashi, M.

“…Co 1-x Ir x (x=10,20,and 30) alloy nanoparticles were prepared using a high-temperature chemical reduction technique in an inert atmosphere for the first time…”
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Direct chemical synthesis of high coercivity air-stable SmCo nanoblades by Chinnasamy, C. N., Huang, J. Y., Lewis, L. H., Latha, B., Vittoria, C., Harris, V. G.

“…Ferromagnetic air-stable SmCo nanoparticles have been produced directly using a one-step chemical synthesis method. X-ray diffraction studies confirmed the…”
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Large tunability of Néel temperature by growth-rate-induced cation inversion in Mn-ferrite nanoparticles by Yang, Aria, Chinnasamy, C. N., Greneche, J. M., Chen, Yajie, Yoon, Soack D., Hsu, Kailin, Vittoria, C., Harris, V. G.

“…The tuning of Néel temperature by greater than 100 K in nanoparticle Mn-ferrite was demonstrated by a growth-rate-induced cation inversion. Mn-ferrite…”
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Erratum: "Direct chemical synthesis of high coercivity SmCo nanoblades" [ Appl. Phys. Lett. 93 , 032505 ( 2008 ) ] by Chinnasamy, C. N., Huang, J. Y., Lewis, L. H., Vittoria, C., Harris, V. G.

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Order–disorder studies and magnetic properties of mechanically alloyed nanocrystalline Ni3Fe alloy by Chinnasamy, C.N., Narayanasamy, A., Ponpandian, N., Chattopadhyay, K., Saravanakumar, M.

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