Precise measurement of diamagnetic susceptibility by using a magnetic levitation technique

• Project/Area Number: 19760043
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Applied physics, general
• Research Institution: Tohoku University
• Principal Investigator: TAKAHASHI Kohki Tohoku University, 金属材料研究所, 助教 (60321981)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥2,790,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥390,000); Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2007: ¥1,100,000 (Direct Cost: ¥1,100,000)
• Keywords: 磁気浮上 / 反磁性化率 / 非接触測定 / 精密測定 / 無容器溶融凝固 / 反磁性磁化率

Research Abstract

反磁性物質に働く磁気力と重力が釣り合った磁気浮上状態を利用し,反磁性磁化率の微小な温度変化の測定に成功した.ベンゾフェノンやパラフィンなどの有機物質を試料とした測定を行い,固体から溶融状態までの磁化率の温度変化を非接触で連続的に測定できることを示した.この技術は磁気浮上を利用した無容器での材料作製にとって非常に有用であると考えられる.

Research Products

• [Journal Article] Precise measurements of diamagnetic susceptibility of benzophenone and paraffin by using a magnetic levitation technique (2009)
  • Author(s): K. Takahashi, I. Mogi, S. Awaji, K. Watanabe
  • Journal Title: Journal of Physics : Conference Series 156
  • Peer Reviewed
• [Journal Article] Application of magnetic levitation to materials processing (2009)
  • Author(s): K. Takahashi, I. Mogi, S. Awaji, M. Motokawa, K. Watanabe
  • Journal Title: Proceedings of the 3rd Asian Workshop and Summer School on Electromagnetic Processing of Materials Pages: 187-190
• [Journal Article] Application of magnetic levitation to materials processing (2009)
  • Author(s): K. Takahashi, 他
  • Journal Title: Proceedings of the 3rd Asian Workshop and Summer School on Electromagnetic Processing of Materials Pages: 187-190
• [Presentation] 磁気浮上を利用したn-alkaneの精密磁化率測定 (2009)
  • Author(s): 高橋弘紀,他
  • Organizer: 第56回応用物理学関係連合講演会
  • Place of Presentation: 茨城県つくば市
  • Year and Date: 2009-03-30
• [Presentation] 磁気浮上を利用して測定した反磁性磁化率の温度変化 (2008)
  • Author(s): 高橋弘紀,他
  • Organizer: 日本マイクログラビティ応用学会第23回学術講演会
  • Place of Presentation: 京都府京都市
  • Year and Date: 2008-11-26
• [Presentation] Application of magnetic levitation to materials processing (2008)
  • Author(s): K. Takahashi, 他
  • Organizer: The 3rd Asian Workshop and Summer School on Electromagnetic Processing of Materials (Asian-EPM 2008)
  • Place of Presentation: 中国,上海市
  • Year and Date: 2008-10-15
• [Presentation] Application of magnetic levitation to materials processing (2008)
  • Author(s): K. Takahashi, 他
  • Organizer: The 3rd Asian Workshop and Summer School on Electromagnetic Processing of Materials(Asian-EPM 2008)
  • Place of Presentation: 中国, 上海市
  • Year and Date: 2008-10-15
• [Presentation] 磁気浮上を利用したパラフィンの反磁性磁化率測定 (2008)
  • Author(s): 高橋弘紀,他
  • Organizer: 第3回日本磁気科学会年次大会
  • Place of Presentation: 青森県弘前市
  • Year and Date: 2008-10-01
• [Presentation] Magnetic levitation of diamagnetic materials and its application (2008)
  • Author(s): 高橋弘紀,他
  • Organizer: 第32回日本磁気学会学術講演会
  • Place of Presentation: 宮城県多賀城市
  • Year and Date: 2008-09-13
• [Presentation] 磁気浮上を利用したパラフィンの精密磁化率測定 (2008)
  • Author(s): 高橋弘紀,他
  • Organizer: 第69回応用物理学会学術講演会
  • Place of Presentation: 愛知県春日井市
  • Year and Date: 2008-09-05
• [Presentation] Precise Measurement of Diamagnetic Susceptibility of Benzophenone and Paraffin by Using a Magnetic Levitation Technique (2008)
  • Author(s): K. Takahashi, 他
  • Organizer: 3rd International Workshop on Materials Analysis and Processing in Magnetic Fields (MAP3)
  • Place of Presentation: 東京都文京区
  • Year and Date: 2008-05-15
• [Presentation] Precise Measurement of Diamagnetic Susceptibility of Benzophenone and Paraffin by Using a Magnetic Levitation Technique (2008)
  • Author(s): K. Takahashi, 他
  • Organizer: 3rd International Workshop on Materials Analysis and Processing in Magnetic Fields(MAP3)
  • Place of Presentation: 東京都文京区
  • Year and Date: 2008-05-15
• [Presentation] Sensitive measurements of diamagnetic susceptibility under magnetic levitation conditions (2007)
  • Author(s): K. Takahashi, 他
  • Organizer: International Conference on Magneto-Science (ICMS2007)
  • Place of Presentation: 広島県広島市
  • Year and Date: 2007-11-14
• [Presentation] Sensitive measurements of diamagnetic susceptibility under magnetic levitation conditions (2007)
  • Author(s): K. Takahashi, 他
  • Organizer: International Conference on Magneto-Science (ICMS2007)
  • Place of Presentation: 広島市
  • Year and Date: 2007-11-14
• [Presentation] 磁気浮上を利用した反磁性磁化率の精密測定II (2007)
  • Author(s): 高橋弘紀,他
  • Organizer: 第68回応用物理学会学術講演会
  • Place of Presentation: 北海道札幌市
  • Year and Date: 2007-09-05
• [Presentation] 磁気浮上を利用した反磁性磁化率の精密測定II (2007)
  • Author(s): 高橋弘紀, 他
  • Organizer: 第68回応用物理学会学術講演会
  • Place of Presentation: 札幌市
  • Year and Date: 2007-09-05