Magnetic and microwave properties of ferrimagnetic Zr-substituted Ba 2Zn2Fe12O22 (Zn-Y) single crystals

Jeevan Jalli, Yang Ki Hong, Seok Bae, Jae Jin Lee, Gavin S. Abo, Ji Hoon Park, Byoung Chul Choi, Tim Mewes, Seong Gon Kim, Sung Hoon Gee, In Tak Nam, Terumitsu Tanaka

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Single crystals of Zr-substituted Zn-Y (Zr-ZnY; Ba2Zn 2ZrxFe12-xO22) were grown from the flux system of BaCO3 and B2O3 by a high temperature slow cooling flux method. X-ray diffraction pattern confirmed the crystal structure with Zn-Y composition. The single crystals were characterized for magnetic and microwave properties. The measured anisotropy field (HA) and the in-plane magnetization (σs) are 13 kOe and 52.0 emu/g, respectively. Ferrimagnetic resonance measurements show 18 Oe of linewidth (δH) at 9 GHz. The combination of low δH with a high δHA in Zr-ZnY hexaferrite is suitable for microwave devices, which can operate with low external biasing field.

Original languageEnglish
Article number07A509
JournalJournal of Applied Physics
Issue number7
Publication statusPublished - Apr 1 2011

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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