Ba-ferrite films for high density patterned medium prepared by nano-spot crystallization

• Project/Area Number: 19360142
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Electronic materials/Electric materials
• Research Institution: Shinshu University
• Principal Investigator: MORISAKO Akimitsu Shinshu University, 工学部, 教授 (20115380)
• Co-Investigator(Kenkyū-buntansha): LIU Xiaoxi 信州大学, 工学部, 准教授 (10372509) ; TAKEI Shigeto , 太陽誘電
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000); Fiscal Year 2008: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000); Fiscal Year 2007: ¥14,560,000 (Direct Cost: ¥11,200,000、Indirect Cost: ¥3,360,000)
• Keywords: 高密度磁気記録 / バリウムフェライト薄膜 / ナノドット / スパッタ / 自己組織 / スポット結晶化 / パターン媒体 / フェライトナノスポット / 自己組織化下地 / フェライト薄膜 / 高密度記録媒体 / パターン化媒体 / 選択的結晶化 / 磁気記録媒体 / 垂直磁気記録 / 六方晶フェライト薄膜 / スパッタリング / 自己組織化 / ナノスポット

Research Abstract

磁気ディスクの高密度・大容量化はデジタル情報を保存するために必要不可欠な要求である。本研究では、次世代の高密度磁気記録媒体として有望なパターン媒体に関して、化学的に安定な酸化物磁性体(フェライト)を用いて自己組織化的パターン形成法に関する基礎実験を行なった。ここでは相分離型の下地層としてAl-Si薄膜およびナノスポット構造を有する金下地に関して、微小部分の結晶化、すなわち微小部分のみの磁性体化に関する検討を行なっている。

Research Products

• [Journal Article] Properties of Sr Ferrite Thin Films on Al-Si Underlayer (2009)
  • Author(s): Arkom Kaewrawang, Ali Ghasemi, Xiaoxi Liu, Akimitsu Morisako
  • Journal Title: IEEE TRANSACTIONS ONMAGNETICS Vol.45, No.6 Pages: 2587-2589
  • Peer Reviewed
• [Journal Article] Epitaxial Growth of SrM(00l)Film on Au(111) (2008)
  • Author(s): Arkom Kaewrawang, Go Ishida, Xiaoxi Liu, Akimitsu Morisako
  • Journal Title: IEEE TRANSACTIONS ON MAGNETICS Vol.44, No.11 Pages: 2899-2902
  • Peer Reviewed
• [Journal Article] Epitaxial Growth of SrM (001) Film on Au(111) (2008)
  • Author(s): Arkom Kaewrawang, Go Ishida, Xiaoxi Liu, Akimitsu Morisako
  • Journal Title: IEEE TRANSACTIONS ON MAGNETICS 44 Pages: 2899-2902
  • Peer Reviewed
• [Presentation] Properties of Sr ferrite thin films on AlSi underlayer (2008)
  • Author(s): Arkom Kaewrawang, Ali Ghasemi, Xiaoxi Liu, Akimitsu Morisako
  • Organizer: Asia Magnetics Conference 2008
  • Place of Presentation: Paradise Hotel, Busan, Korea
  • Year and Date: 2008-12-11
• [Presentation] Properties of Sr ferrite thin films on AISi underlayer (2008)
  • Author(s): Arkom Kaewrawang, Ali Ghasemi, Xiaoxi Liu, Akimitsu Morisako
  • Organizer: Asia Magnetics Conference 2008
  • Place of Presentation: Paradise Hotel, Busan, Korea
  • Year and Date: 2008-12-11
• [Presentation] Crystallographic and magnetic properties of SrM film on various underlayers and substrates (2008)
  • Author(s): Arkom Kaewrawang, Xiaoxi Liu, Akimitsu Morisako
  • Organizer: 53^<th> Conference on Magnetism and Magnetic Materials
  • Place of Presentation: Austin, Texas
  • Year and Date: 2008-11-11
• [Presentation] Crystallographic and magnetic properties of SrM film on various underlavers and substrates (2008)
  • Author(s): Arkom Kaewrawang, Xiaoxi Liu, Akimitsu Morisako
  • Organizer: 53^<th> Conference on Magnetism and Magnetic Materials
  • Place of Presentation: Austin, Texas
  • Year and Date: 2008-11-11
• [Presentation] The effect of AlSi underlayers on Sr-ferrite sputtered films (2008)
  • Author(s): Arkom Kaewrawang, Ali Ghasemi, Xiaoxi Liu, Akimitsu Morisako
  • Organizer: The 10^<th> International Conference on Ferrites
  • Place of Presentation: Chengdu, China
  • Year and Date: 2008-10-12
• [Presentation] Epitaxial Growth of SrM(00l)Film on Au(111) (2008)
  • Author(s): Arkom Kaewrawang, Go Ishida, Xiaoxi Liu, Akimitsu Morisako
  • Organizer: IEEE International Magnetics Conference, Municipal Conference Center
  • Place of Presentation: Madrid, Spain
  • Year and Date: 2008-05-05
• [Presentation] Epitaxial Growth of SrM(001) Film on Au(111) (2008)
  • Author(s): Arkom Kaewrawang, Go Ishida Xiaoxi Liu, Akimitsu Morisako
  • Organizer: IEEE International Magnetics Conference
  • Place of Presentation: Municipal Conference Center, Madrid, Spain
  • Year and Date: 2008-05-05