Chemical control of spin chirality in(Nd1−xDyx)2Mo2O7
نویسندگان
چکیده
منابع مشابه
Chemical Control of Spin Chirality in (Nd1−xDyx)2Mo2O7
Magnetization and Hall resistivity have been investigated for single crystals of Dy-doped Nd2Mo2O7. A sharp decrease of the Hall resistivity upon a metamagnetic transition, perhaps associated with magnetic-field (H) induced flop of Dy moments, has been observed in the Dy-doped crystals only for H ‖ [111] direction. In addition, the sign of the Hall resistivity at a high field, both for H ‖ [100...
متن کاملChirality ordering of chiral spin liquids.
We study the effect of introducing a weak antiferromagnetic interplanar exchange coupling in the two dimensional frustrated Heisenberg model. We show that a ferromagnetic(FM) ordering of chirality i.e., same chirality on adjacent planes is energetically favoured, thus leading to bulk violation of the discrete symmetries parity(P ) and time reversal(T ). PACS Nos. 75.10J, 74.90, 12.90. Prefitem ...
متن کاملControl of molecular chirality
We present a theoretical study of controlling molecular chirality in chemical reactions by circularly polarized fields. A theory of absolute asymmetric synthesis is formulated by standard perturbation theory. An estimation of the chiral polarization of the product is provided. We show that an unstable chiral configuration can be described as a spin one-half particle. The circularly polarized fi...
متن کاملEmerging chirality in artificial spin ice.
Artificial spin ice, made up of planar nanostructured arrays of simple ferromagnetic bars, is a playground for rich physics associated with the spin alignment of the bars and spin texture associated with the magnetic frustration at the bar vertices. The phase diagram is exotic, showing magnetic monopole-like defects and liquid and solid phases of spins arranged in loop states with predicted chi...
متن کاملA Spin Model for Investigating Chirality
Spin chirality has generated great interest recently both from possible applications to flux phases and intrinsically, as an example of a several-site magnetic order parameter that can be long-ranged even where simpler order parameters are not. Previous work (motivated by the flux phases) has focused on antiferromagnetic chiral order; we construct a model in which the chirality orders ferromagn...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review B
سال: 2004
ISSN: 1098-0121,1550-235X
DOI: 10.1103/physrevb.69.220401