| Charge—Orbital Ordering in Ferromagentic and Charge—Exchange—Type Antiferromagentic Phases for Half—Doped Manganites |
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| 引用本文： | 束正煌,吕文刚,等.Charge—Orbital Ordering in Ferromagentic and Charge—Exchange—Type Antiferromagentic Phases for Half—Doped Manganites[J].中国物理快报,2002,19(10):1528-1530. |
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| 作者姓名： | 束正煌 吕文刚 |
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| 作者单位： | NationalLaboratoryofSolidStateMicrostructuresandDepartmentofPhysice,NanjingUniversity,Nanjing210093 |
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| 摘 要： | Using a two-orbital DE model including the Coulomb interaction,we show that the charge-orbital ordering usually found in the charge-exchange phase may exist in the ferromagnetic phase for half-doped manganits,Thus,two types of phase transitions observed experimentally can be explained by the obtained phase diagram.
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| 关 键 词： | 铁磁相 电荷交换反铁磁相 电荷轨道取向 |
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