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In compounds La1/3Ca2/3MnO3 and BiMnO3, a calculation of spin-wave dispersion dependences along pseudoperovskite directions of reciprocal space is made. The model includes orbitally dependent superexchange interaction and single-ion anisotropy. Considered compounds present competing exchange...
The Carr–Purcell–Meiboom–Gill (CPMG) pulse sequence is actively used in magnetic resonance to measure the relaxation time T2. The refocusing pulses in this sequence are 180° by default. In this study, numerical calculations of the echo amplitudes were carried out. If T1 > T2, then applying...
We report the high-field magnetization and electron spin resonance (ESR) for the two-dimensional triangular-lattice antiferromagnet Cu2(OH)3Cl. The compound has an antiferromagnetic (AFM) order at TN = 6.8 K and undergoes a field-induced metamagnetic transition at 3 T. The high-field...
This research presents the application and comparison of the most popular machine learning algorithms (multilayer perceptron, ensemble of networks, convolutional neural network) to predict the shape of dynamic EPR signals of pH-sensitive nitroxide radicals (NR) with varying degrees of rotational...
The spin-Hamiltonian parameters (g factors g//, g⊥ and hyperfine structure constants 47Ai, 49Ai, where i = // or ⊥, 47Ai and 49Ai denote the values of isotopes 47Ti3+ and 49Ti3+) of Ti3+ ions at the tetragonal tetrahedral Si4+ sites in ZrSiO4 crystal are computed from the high-order perturbation...
The use of nuclear magnetic resonance (NMR) is an appropriate tool for studying colloids in a non-invasive manner. Droplet size distributions and one-dimensional sample profiles are readily produced to characterize an emulsion, its stability, the size distribution of the dispersed phase, and...
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