Electron gas at the interface between two antiferromagnetic insulating manganites

M. J. Calderon; J. Salafranca; L. Brey

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Electron gas at the interface between two antiferromagnetic insulating manganites

机译：两个反铁磁绝缘锰矿之间的界面处的电子气

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We study theoretically the magnetic and electric properties of the interface between two antiferromagnetic and insulating manganites: La_(0.5)Ca_(0.5)MnO_3, a strong correlated insulator, and CaMnO_3, a band insulator. We find that a ferromagnetic and metallic electron gas is formed at the interface between the two layers. We confirm the metallic character of the interface by calculating the in-plane conductance. The possibility of increasing the electron-gas density by selective doping is also discussed.

机译：我们从理论上研究了两种反铁磁和绝缘锰铁矿之间的界面的磁性和电学性质：强相关的绝缘子La_（0.5）Ca_（0.5）MnO_3和带状绝缘子CaMnO_3。我们发现在两层之间的界面处形成了铁磁和金属电子气。我们通过计算面内电导来确认界面的金属特性。还讨论了通过选择性掺杂增加电子气密度的可能性。

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来源
《Physical review》 |2008年第2期|572-577|共6页
作者
M. J. Calderon; J. Salafranca; L. Brey;
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正文语种 eng
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colossal magnetoresistance; general theory and models of magnetic ordering; magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.); antiferromagnetics;

机译：巨大的磁阻电磁订购的一般理论和模型;磁相边界（包括磁跃迁;超磁性等）;反铁磁;

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专利

1. Intrinsic antiferromagnetic/insulating phase at manganite surfaces and interfaces [J] . S Valencia, L Pe?a, Z Konstantinovic, Journal of Physics. Condensed Matter . 2014,第16期

机译：锰矿表面和界面处的本征反铁磁/绝缘相
2. Electronic effects in manganite/insulator interfaces: Interfacial enhancement of the insulating tunneling barriers [J] . Balcells L, Abad L, Rojas H, Small . 2008,第3期

机译：锰/绝缘体界面的电子效应：绝缘隧穿势垒的界面增强
3. Correlating quasiparticle excitations with quantum femtosecond magnetism in photoexcited nonequilibrium states of insulating antiferromagnetic manganites [J] . P. C. Lingos, A. Patz, T. Li, Physical review. B, Condensed Matter And Materals Physics . 2017,第22期

机译：绝缘反铁磁锰矿在光激发非平衡态下将准粒子激发与量子飞秒磁相关
4. Theory of Ultrafast Spin-Charge Quantum Dynamics in Strongly Correlated Systems Controlled by Femtosecond Photoexcitation: an Application to Insulating Antiferromagnetic Manganites [C] . P. C. Lingos, M. D. Kapetanakis, M. Mootz, SPIE Defense + Security Conference . 2018

机译：飞秒光激发控制的强相关系统中超快自旋电荷量子动力学的理论：在绝缘反铁磁锰矿中的应用
5. A study of the rare earth manganites: (1) Doping-induced transition from ferromagnetic conducting to charge-ordered insulating state in La(1-x)Ca(x)MnO(3). (2) Field dependent low temperature specific-heat of rare-earth manganites [D] . Roy, Mallika 2000

机译：稀土锰酸盐的研究：（1）掺杂诱导从铁磁性导电到La（1-x）Ca（x）mnO（3）中电荷有序绝缘状态的过渡。（2）场依赖性低温比稀土锰矿床
6. Interface Engineered Room‐Temperature Ferromagnetic Insulating State in Ultrathin Manganite Films [O] . Weiwei Li, Bonan Zhu, Qian He, 2020

机译：超薄锰矿薄膜中的界面工程室温铁磁绝缘态
7. Electron gas at the interface between two antiferromagnetic insulating manganites [O] . Calderon, M. J., Salafranca, J., Brey, L. 2008

机译：电子气在两个反铁磁绝缘层之间的界面处锰
8. Unidirectional Anisotropy in Manganite Based Ferromagnetic- Antiferromagnetic Multilayers. [R] . Panagiotopoulos, I., Christides, C., Pissas, M., 2000

机译：基于锰铁矿的铁磁 - 反铁磁多层膜的单向各向异性。

Electron gas at the interface between two antiferromagnetic insulating manganites

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