Gold;manganese | 12006-65-4

• 分子结构分类: 无机化合物 - 均相金属化合物 - 均相过渡金属化合物
• 英文名称: Gold;manganese
• 英文别名: gold;manganese
• CAS: 12006-65-4
• 化学式: Au₂Mn
• 分子量: 448.871
• InChiKey: QXFWCDMQPYLZIH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.01
• 重原子数：
  3
• 可旋转键数：
  0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为产物：
  描述：

  锰 、 金 以 neat (no solvent) 为溶剂， 生成 Gold;manganese
  参考文献：
  名称：

  Magnetism and transport properties of metamagnetic Mn1−Cr Au2

  摘要：

  Crystallographic, magnetic and electric properties of metamagnetic Mn1-xCrxAu2 were studied. Pure MnAu2 has a helical-spin structure and the structure changes to a ferromagnetic state below the Neel temperature T-N (similar to 360 K) and above a threshold magnetic field H-th (similar to 10 kOe at 300 K). The T-N, H-th for the metamagnetic transition, and the helical angle of the helical-spin configuration decreases as the Cr content x increases. The Cr substitution seems to dilute the magnetism of MnAu2 and to weaken the interlayer magnetic coupling between the Mn spins. A significant magnetoresistance as large as 3.5% was observed at room temperature in magnetic fields below 10 kOe. The metamagnetic transition seems to give rise to the magnetoresistance via s-d scattering. (C) 1999 Elsevier Science S.A. All rights reserved.

  DOI：

  10.1016/s0925-8388(98)00938-4

文献信息

• Magnetism and transport properties of metamagnetic Mn1−Cr Au2
  作者：Yujiro Nagata、Toshiharu Hagii、Hiroaki Samata、Takayuki Uchida、Susumu Abe、Chung Fan Sung、Ming Der Lan

  DOI：10.1016/s0925-8388(98)00938-4

  日期：1999.3

  Crystallographic, magnetic and electric properties of metamagnetic Mn1-xCrxAu2 were studied. Pure MnAu2 has a helical-spin structure and the structure changes to a ferromagnetic state below the Neel temperature T-N (similar to 360 K) and above a threshold magnetic field H-th (similar to 10 kOe at 300 K). The T-N, H-th for the metamagnetic transition, and the helical angle of the helical-spin configuration decreases as the Cr content x increases. The Cr substitution seems to dilute the magnetism of MnAu2 and to weaken the interlayer magnetic coupling between the Mn spins. A significant magnetoresistance as large as 3.5% was observed at room temperature in magnetic fields below 10 kOe. The metamagnetic transition seems to give rise to the magnetoresistance via s-d scattering. (C) 1999 Elsevier Science S.A. All rights reserved.
• Giant magnetoresistance observed in metamagnetic bulk-MnAu2
  作者：Hiroaki Samata、Noboru Sekiguchi、Atsuhito Sawabe、Yujiro Nagata、Takayuki Uchida、Ming Der Lan

  DOI：10.1016/s0022-3697(97)00198-4

  日期：1998.3

  Giant magnetoresistance (GMR) Delta rho/rho of about 10% was observed in bulk-MnAu2 at 300 K in a field of 70 kOe. MnAu2 is a tetragonal material with a spiral spin structure of Mn and shows a metamagnetic transition from a spiral to a ferromagnetic structure at an applied field of about 10 kOe at 300 K. Significant GMR was observed simultaneously with the metamagnetic transition. (C) 1997 Elsevier Science Ltd.