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M. Iakovleva on Muck Rack

M. Iakovleva

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Articles by M. Iakovleva

Ground state and low-temperature magnetism of the quasi-two-dimensional honeycomb compound ${\mathrm{InCu}}_{2/3}{\mathrm{V}}_{1/3}{\mathrm{O}}_{3}$

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By Materials Physics, M. Iakovleva, O. Janson, H.-J. Grafe
| Physical Review B
Abstract We report a combined In115 nuclear quadrupole resonance, V51 nuclear magnetic resonance, and muon spin-relaxation spectroscopic study of the low-temperature magnetic properties of InCu2/3V1/3O3, a quasi-two-dimensional (2D) compound comprising in the spin sector a honeycomb lattice of antiferromagnetically coupled spins S=1/2 associated with Cu2+ ions. Despite substantial experimental and theoretical efforts, the ground state of this material has not been ultimately identified.
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Static and dynamic magnetism of the Ir-based double perovskites La2BIrO6 (B=Co, Zn) probed by magnetic resonance spectroscopies

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By M. Iakovleva, Materials Research Dresden, S. A. Fuchs, Technische Universität Dresden
| tu-dresden.de
We report the La139 nuclear magnetic resonance (NMR), electron spin resonance (ESR), and complementary magnetometry results on the Ir-based double perovskite compounds La2BIrO6 with strongly magnetic Co2+ (3d7, S=3/2) and nonmagnetic Zn2+ (3d10, S=0) ions at the B site. ESR signals from Ir4+ ions in La2ZnIrO6 and a collective ESR mode of coupled Co2+ spins S=3/2 and Ir4+ pseudospins jeff=1/2 were observed and studied as a function of temperature and excitation frequency.
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Signatures of a magnetic field-induced unconventional nematic liquid in the frustrated and anisotropic spin-chain cuprate LiCuSbO4

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By Materials Research Dresden, S. Nishimoto, M. Iakovleva, H. J. Grafe
| tu-dresden.de
Modern theories of quantum magnetism predict exotic multipolar states in weakly interacting strongly frustrated spin-1/2 Heisenberg chains with ferromagnetic nearest neighbor (NN) inchain exchange in high magnetic fields. Experimentally these states remained elusive so far. Here we report strong indications of a magnetic field-induced nematic liquid arising above a field of ~13 T in the edge-sharing chain cuprate LiSbCuO4 = LiCuSbO4.
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