115 Flanders Road, Suite 135 • Westborough, MA 01581-1087 • Tel. 781.562.0756 • Technical Inquiries 781.562.1157

Published Research

Published Research by Metamagnetics Staff and Affiliates

Chen, A. Daigle, T. Fitchorov, B. Hu, M. Geiler, A. Geiler, C. Vittoria, and V. G. Harris, “Electronic tuning of magnetic permeability in oriented Co2Z hexaferrite for application of high frequency electromagnetic devices,”Appl. Phys. Lett.98, 202502 (2011); doi: 10.1063/1.3590771.


Chen, A.L. Geiler, T. Chen, T. Sakai, C. Vittoria, and V. G. Harris, “Low-loss barium ferrite quasi-single-crystals for microwave application,” J. Appl. Phys., 101, 09M501 (2007); doi: 10.1063/1.2709726.


Chen, S. M. Gillette, T. Fitchorov, L. Jiang, H. Hao, J. Li, X. Gao, A. Geiler, C. Vittoria, and V.G. Harris, “Quasi-one-dimensional miniature multiferroic magnetic field sensor with high sensitivity at zero bias field,” Appl. Phys. Lett99, 042505 (2011); doi: 10.1063/1.3617434.


Chen and V.G. Harris, “Ferrite film growth on semiconductor substrates towards microwave and millimeter wave integrated circuits,” J. Appl. Phys, Applied Phys. Reviews112, 081101 (2012); dii: 10.1063/1.4739219.


Daigle, E. DuPre, A.L. Geiler, Y. Chen, P.V. Parimi, C. Vittoria, V.G. Harris, “Preparation and Characterization of Pure Phase Co2Y Ferrite Powders via a Scalable Aqueous Co-precipitation Method,” J. Am. Ceram. Soc., 93, 2994 (2010); doi: 10.1111/j.1551-2916.2010.03958.x.


Daigle, A.L. Geiler, E. DuPre, Y. Chen, P.V. Parimi, C.V. Parimi, C. Vittoria, V.G. Harris, “Numeric simulations of a novel wideband electromagnetic band gap metamaterial utilizing oriented cobalt-substituted Z-type barium hexaferrites,” IEEE Magn. Lett., 2, 0500104 (2011); doi: 10.1109/LMAG.2011.2129554.


Daigle, M. Geiler, A.L. Geiler, E. DuPre, J. Modest, Y. Chen, C. Vittoria, V.G. Harris, “Permeability spectra of Co2Z hexaferrite compacts produced via a modified aqueous co-precipitation technique,” J. Magn. Magn. Mater., 324, 3719 (2012); doi: 10.1016/j.jmmm.2012.06.002.


Daigle, J. Modest, A.L. Geiler, S. Gillette, Y. Chen, M. Geiler, B. Hu, K. Sophor, C. Vittoria, V.G. Harris, “Structure, morphology and magnetic properties of Mg(x)Zn(1-x)Fe2O4 ferrites prepared by Polyol and aqueous co-precipitation methods: A low-toxicity alternative to Ni(x)Zn(1-x)Fe2O4 ferrites,” Nanotechnology22, 305708 (2011); doi: 10.1088/0957-4484/22/30/305708.


L. Geiler, A. Daigle, J. Wang, Y. Chen, C. Vittoria, and V. G. Harris, “Consequences of magnetic anisotropy in realizing practical microwave hexaferrite devices (invented),” J. Magn. Magn. Mater., 324, 3393 (2012).


L. Geiler, S. M. Gillette, Y. Chen, J. Wang, Z. Chen, S. D. Yoon, P. He, J. Gao, C. Vittoria, and V. G. Harris, “Multiferroic heterostructure fringe field tuning of meander line microstrip ferrite phase shifter,” Appl. Phys. Lett., 96, 053508 (2010); doi: 10.1063/1.3309592.


L. Geiler, A. Yang, X. Zuo, S. D. Yoon, Y. Chen, V. G. Harris, and C. Vittoria, “Atomic scale design and control of cation distribution in hexagonal ferrites,” Phys. Rev. Lett., 101, 067201 (2008); doi: 10.1103/PhysRevLett.101.067201.


L. Geiler, J. Wang, J. S. Gao, S. D. Yoon, Y. Chen, V. G. Harris, and C. Vittoria, “Low bias field hexagonal Y-type ferrite phase shifters at KU band,” IEEE Trans. Magn., 45, 4179 (2009); doi: 10.1109/TMAG.2009.2023881.


M. Gillette, A. L. Geiler, Z. Chen, Y. Chen, T. Arruda, C. Xie, L. Wang, X. Zhu, M. Liu, S. Mukerjee, C. Vittoria, and V. G. Harris, “Active tuning of a microstrip hairpin-line microwave bandpass filter on a polycrystalline yttrium iron garnet substrate using small magnetic fields,” J. Appl. Phys., 109, 07A513 (2011); doi: 10.1063/1.3556696.


S.M. Gillette, A.L. Geiler, D. Gray, D. Viehland, C. Vittoria, V.G. Harris, “Improved sensitivity and noise in magneto-electric magnetic field sensors by use of modulated AC magnetostriction,” IEEE Magn. Lett., 2, 2500104 (2011); doi: 10.1109/LMAG.2011.2151178.


V.G. Harris, “Modern microwave ferrites,” IEEE Trans. on Magn., 48, 1075 (2012); doi: 10.1109/TMAG.2011.2180732.


G. Harris, Z. Chen, Y. Chen, S. Yoon, T. Sakai, A. Geiler, A. Yang, Y. He, K. S. Ziemer, N. X. Sun and C. Vittoria, “Ba-hexaferrite films for next generation microwave devices,” J. Appl. Phys., 99, 08M911 (2006); doi: 10.1063/1.2165145.


G. Harris, A. L. Geiler, Y. Chen, S. D. Yoon, M. Wu, A. Yang, Z. Chen, P. He, P. V. Parimi,  X. Zuo, C. E. Patton, M. Abe, O. Acher, and C. Vittoria, “Recent advances in processing and applications of microwave ferrites,” J. Magn. Magn. Mater., 321, 2035 (2009) – #1 most downloaded article from Journal of Magnetism and Magnetic Materials, October 2009; doi: 10.1016/j.jmmm.2009.01.004.


J. Wang, A. Yang, A.L. Geiler, C. Vittoria, V.G. Harris, “Self biased Y-junction circulator at Ku band,” IEEE Microwave and Wireless Components Lett.,21, 292-294 (2011); doi: 10.1109/LMWC.2011.2142297.

Essential Readings

D. Adam, L. E. Davis, G. F. Dionne, E. F. Schloemann, and S. N. Stitzer, “Ferrite devices and materials, “ IEEE Trans. Microwave Theory Tech.,50, 721 (2002).


Akaiwa and T. Okazaki, “An application of a hexagonal ferrite to a millimeter-wave Y circulator,” IEEE Trans. Magn., 10, 374 (1974).


Bosma “A general model for junction circulators; choice of magnetization and bias field,” IEEE Trans. Mag.4, 587 (1968).


G.F. Dionne, Magnetic Oxides. New York: Springer, 2009.


Dionne, “A review of ferrites for microwave applications,” IEEE Proceedings63, 777 (1975).


W. Gorter, “Saturation magnetization and crystal chemistry of ferromagnetic oxides,” Philips Res. Rep., 9,295 (1954).


R. Harrison, G. H. Robinson, B. R. Savage, and D. R. Taft, “Ferrimagnetic parts for microwave integrated circuits,” IEEE Trans. Microwave Theory Tech., 7, 577 (1971).


W. Nielsen, “Growth of Magnetic Garnet Crystals” J. Appl. Phys.29, 390 (1958).


Pardavi-Hovath, “Microwave applications of soft ferrites,” J. Magn. Magn. Mater.,  215,  171 (2000).


Patton, “Hexagonal ferrite materials for phase shifter applications at millimeter wave frequencies,” IEEE Trans. Mag.24, 2024 (1988).


Polder, “On the theory of ferromagnetic resonance,” Phil. Mag.40,  99 (1949).


P. Rodrigue, “A generation of microwave ferrite devices,” Proc. IEEE76, 121 (1988).


T. Roome and H. A. Hair, “Thin ferrite devices for microwave integrated circuits,” IEEE Trans. Microwave Theory Tech., 16, 411 (1968).


F. Schloemann, “Circulators for microwave and millimeter-wave integrated circuits,” Proc. IEEE76, 188 (1988).


Smit and H.P.J. Wijn, Ferrites. New York, Wiley (1959).


J. A. Weiss, N. G. Watson, and G. F. Dionne, “New uniaxial-ferrite millimeter-wave junction circulators,” IEEE MTT-S Digest1, 145 (1989).