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Single-Crystal Growth of Trigonal DyFe3(BO3)(4) and Study of Magnetic Properties

机译:三角形DyFe3(BO3)(4)的单晶生长及其磁性能的研究

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Fluxes with a wide stability range of trigonal DyFe3(BO3)(4) were selected by the successive-approximation method using direct phase probing in the Bi2Mo3O12-B2O3-Dy2O3-Fe2O3 system. Crystallization parameters of the fluxes were determined. The conditions for single-crystal growth were recommended using both spontaneous crystal nucleation and seeded growth according to the Kyropoulos method. An analysis of the measured temperature and field dependences of magnetization of crystals in fields parallel or perpendicular to the threefold axis led to the conclusion that DyFe3(BO3)(4) undergoes a phase transition to an ordered easy-axis state and is characterized by a field-induced spin-reorientation transition with the predominant alignment of Dy3+ spins along the applied field.
机译:在Bi2Mo3O12-B2O3-Dy2O3-Fe2O3系统中采用直接相探查,通过逐次逼近法选择了具有稳定度范围为三角形DyFe3(BO3)(4)的助焊剂。确定了助焊剂的结晶参数。根据Kyropoulos方法,建议同时使用自发晶体成核和种子生长来生长单晶。对与三重轴平行或垂直的场中晶体磁化强度的温度和场依赖性的分析得出结论:DyFe3(BO3)(4)经历了相变,转变为有序易轴状态,并具有以下特征:磁场诱导的自旋重取向转变,其中Dy3 +自旋主要沿外加磁场取向。

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