Cd2FeReO6:一种高-TC的双矿氧化物,具有显著的道磁阻
Xun Kang1,2, Ryuta Ishikawa3, Alexei A Belik1
1Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
Inorganic chemistry
|October 31, 2023
概括
我们合成了Cd2FeReO6双矿氧化物,实现了显著的道磁阻. 这一发现突显了它对旋转电子学和先进材料科学应用的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 固态物理 固态物理
- 磁力学 磁力学 是一种
背景情况:
- 双矿氧化物对电子应用具有前景.
- 了解结构-属性关系是材料设计的关键.
- Cd2FeReO6是A2FeReO6家族中的一种新型化合物.
研究的目的:
- 合成并描述双倍矿氧化物Cd2FeReO6.6. 的特性.
- 研究其磁性和磁电阻性能.
- 使用第一原则计算来探索潜在的机制.
主要方法:
- 高温和高压合成方法.
- 用于晶体结构分析的X射线衍射.
- 磁化和磁电阻测量. 磁化和磁电阻测量.
- 电子结构分析的第一原则计算.
主要成果:
- 成功合成了Cd2FeReO6与P21/n空间组.
- 观察到大约68%的Fe3+和Re5+离子B点排序.
- 测量了 460 K 的库里温度.
- 在5K的低场蝶式道化磁阻达到-23%的低场蝶式道化磁阻.
- 计算证实了半金属铁磁性质.
结论:
- Cd2FeReO6具有显著的磁电阻,超过了A2FeReO6家族的其他成员.
- 材料的性质受到抗体乱的影响.
- 在Cd2FeReO6中,有潜力用于螺旋电子学和材料科学创新.
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