• 제목/요약/키워드: Soft magnetics

검색결과 290건 처리시간 0.035초

Soft Magnetic Applications for RF IT devices

  • Masahiro Yamaguchi;Kim, Ki-Hyeon;Seok Bae;Shinji Ikeda;Arai, Ken-Ichi
    • 한국자기학회:학술대회 개요집
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    • 한국자기학회 2002년도 동계연구발표회 논문개요집
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    • pp.11-11
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    • 2002

  • Huge applications of soft magnetic films can be expected as integrated passives in the infest IT devices, including CMOS compatible RF integrated inductors and transformers, transmission line devices, electromagnetic noise countermeasure, sensors, etc. A new 1MHz-9GHz permeameter has been completed and clarified the possibility of modern magnetic films for applications in integrated passives. The films evaluated include CoNbZr, CoZro, CoAlPdO, electroplated NiZn(Co) ferrite, etc. (omitted)

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Magnetic Properties of FeCuNbSiB Nanocrystalline Alloy Powder Cores Using Ball-milled Powder

  • Kim, G. H.;T. H. Noh;Park, G. B.;Kim, K. Y.
    • 한국자기학회:학술대회 개요집
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    • 한국자기학회 2002년도 동계연구발표회 논문개요집
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    • pp.202-203
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    • 2002

  • Ribbon type nanocrystalline alloy cores have shown excellent soft magnetic properties in the high frequency range because of small crystalline anisotropy and nearly zero magnetostriction[1]. In present, however ribbon alloys gives some limit in applications such as a large inductor and reactors of PFC circuit, which are required good DC bias property and low loss in the high frequency. Powder alloys with ultra fine grain structure can be an important way to overcome this kind of disadvantage, and to improve the high frequency soft magnetic properties in conventional metallic powder cores[2]. (omitted)

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Modified Magnetism at Buried Co/Pd Interface: Depth-Resolved Magnetic Circular Dichroism Study using Soft X-ray Standing Waves

  • Kim, Sang-Koog;J. B. Kortright
    • 한국자기학회:학술대회 개요집
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    • 한국자기학회 2000년도 International Symposium on Magnetics The 2000 Fall Conference
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    • pp.207-216
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    • 2000

  • Soft x-ray standing waves produced by a multilayer interference substrate add depth-sensitivity to magnetic circular dichroism to resolve changes in Co magnetism across a 10 ${\AA}$ distance from the Co center to the Co-Pd interface of a Pd/Co/Pd trilayer having in-plane magnetization. Large enhancements of in-plane orbital and spin magnetic moments, as well as the number of d holes, are strongly localized in thin interface layer. These results provide new insight into the phenomenon of magnetic anisotropy at buried interfaces, and suggest a broad applicability of such standing wave measurements to interface magnetism studies.

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