Spin-peierls transition
WebAbstract We study the spin-Peierls (SP) transition of one-dimensional chain polymeric complexes coupled to lattice by means of many-body Green’s function theory. The chain effective elastic constant is an intrinsic factor that determines the order of SP transition. WebJan 21, 2014 · The compound exhibited the synergy between a spin-crossover transition and a spin-Peierls-like singlet formation. The halogen-bond interactions between the iodine and the sulfur atoms stabilized the paramagnetic state of π-spins and played a crucial role in the synergistic magnetic transition between d- and π-spins.
Spin-peierls transition
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WebThis communication reports the first spin-Peierls transition in metal complexes in which pure d electrons contribute to the magnetism. In addition, we demonstrated a new experimental method for studying a spin-Peierls system. * WebSpin Peierls transition (8). In such a theory the chains are thought to progressively tetramerize as the temperature is lowered, opening a BCS like gap (2A(T)) *) J is defined by the Hamiltonian II = 2J EiSiSi+ 1 . 47 in the magnetic excitation spectrum (9, 10). In this way an alternation of the exchange isobtained: J(T) = J (I + ~ (T~ and we ...
WebJan 15, 2024 · The spin-Peierls transition at of spin- chains with isotropic exchange interactions has previously been modeled as correlated for and mean field for . We use correlated states throughout in the model with antiferromagnetic exchange and between first and second neighbors, respectively, and variable frustration . WebJul 1, 1997 · Spin-Peierls transition; CuGeO3; Effects of substitution; Antiferromagnetic order 1. Introduction Hase et al. [1] have discovered the spin-Peierls (SP) transition in CuGeO3, which is the first inorganic SP compound. After this discovery, the SP transi- tion and CuGeO3 have attracted much attention. The 1 one-dimensional SP transition may …
http://web.mit.edu/ceder/publications/prb-67-02045-2003.pdf WebJun 7, 1993 · The magnetic-field dependence of the transition temperature quantitatively agrees with both theoretical predictions and experimental results for organic spin-Peierls systems. This Letter is the first report of an unambiguous determination of the existence of the spin-Peierls transition in an inorganic compound. Received 4 January 1993
WebAbstract. Exact diagonalizations are done to calculate the energy gain from bond alternation in finite spin chains as a function of chain length. Calculations are done for S=1/2, 1, 3/2, and 2. Qualitative differences are found between half-integer and interger spins. Our results (i) indicate the absence of the spin-Peierls transition in ...
WebMar 1, 1987 · Spin-Peierls transition, where the lattice dimerizes due to its coupling to the spin system, is the result of particular quantum mechanical nature of quasi-one-dimensional antiferromagnets. skyscanner edinburgh to palmaWebAbstract. We present an organic compound exhibiting spin-Peierls (SP) transition to an effective spin-1 antiferromagnetic uniform chain, that is, the Haldane chain. The clear disappearance of magnetization, accompanied by a structural phase transition, is well explained by the deformation to an effective spin-1 Haldane chain. swedbank visa business cardWebThe Peierls Transition: how Cooling a Conductor Can Give an Insulator As mentioned in the Introduction, substances very close to monovalent one-dimensional crystals have been … swedbank tanumshedeWebAbstract. We study the spin-Peierls (SP) transition of one-dimensional chain polymeric complexes coupled to lattice by means of many-body Green’s function theory. The chain … skyscanner fjljights form shannon to dubaiWebof the spin-Peierls transition, we need to evaluate the mean field displacement hui, or equivalently, the parameter δ in a self- consistent manner i.e., the value of δwhich … swedberg carpentryWebAt TCO=103K a charge ordering (CO) occurs, and at TSP (B=9T)=11K the material undergoes a spin-Peierls transition. Within the intermediate, CO … swedberg constructionWebCalculations are done for S=1/2, 1, 3/2, and 2. Qualitative differences are found between half-integer and interger spins. Our results (i) indicate the absence of the spin-Peierls … swedberg cabinets alexandria minnesota