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1. Single crystal neutron and magnetic measurements of Rb ₂ Mn ₃ (VO ₄ ) ₂ CO ₃ and K ₂ Co ₃ (VO ₄ ) ₂ CO ₃ with mixed honeycomb and triangular magnetic lattices

   https://doi.org/10.1039/C9DT03389K  

   Smith Pellizzeri, Tiffany M. ; Sanjeewa, Liurukara D. ; Pellizzeri, Steven ; McMillen, Colin D. ; Garlea, V. Ovidiu ; Ye, Feng ; Sefat, Athena S. ; Kolis, Joseph W. ( April 2020 , Dalton Transactions)

   Two new alkali vanadate carbonates with divalent transition metals have been synthesized as large single crystals via a high-temperature (600 °C) hydrothermal technique. Compound I , Rb 2 Mn 3 (VO 4 ) 2 CO 3 , crystallizes in the trigonal crystal system in the space group P 3̄1 c , and compound II , K 2 Co 3 (VO 4 ) 2 CO 3 , crystallizes in the hexagonal space group P 6 3 / m . Both structures contain honeycomb layers and triangular lattices made from edge-sharing MO 6 octahedra and MO 5 trigonal bipyramids, respectively. The honeycomb and triangular layers are connected along the c -axis through tetrahedral [VO 4 ] groups. The MO 5 units are connected with each other by carbonate groups in the ab -plane by forming a triangular magnetic lattice. The difference in space groups between I and II was also investigated with Density Functional Theory (DFT) calculations. Single crystal magnetic characterization of I indicates three magnetic transitions at 77 K, 2.3 K, and 1.5 K. The corresponding magnetic structures for each magnetic transition of I were determined using single crystal neutron diffraction. At 77 K the compound orders in the MnO 6more »-honeycomb layer in a Néel-type antiferromagnetic orientation while the MnO 5 triangular lattice ordered below 2.3 K in a colinear ‘up–up–down’ fashion, followed by a planar ‘Y’ type magnetic structure. K 2 Co 3 (VO 4 ) 2 CO 3 ( II ) exhibits a canted antiferromagnetic ordering below T N = 8 K. The Curie–Weiss fit (200–350 K) gives a Curie–Weiss temperature of −42 K suggesting a dominant antiferromagnetic coupling in the Co 2+ magnetic sublattices.« less
2. Spin dynamics and relaxation in 7.6 nm thin film of La _0.7 Sr _0.3 MnO ₃ /SrTiO ₃ : ac magnetic susceptibility and magnetic viscosity investigations

   https://doi.org/10.1063/5.0017765  

   Mottaghi, Navid ; Seehra, Mohindar S. ; Shi, Jianhang ; Jain, Menka ; Holcomb, Mikel B. ( August 2020 , Journal of Applied Physics)
3. Expansion of Magnetic Aromaticity Criteria to Multilayer Structures: Magnetic Response and Spherical Aromaticity of Matryoshka‐Like Cluster [Sn@Cu ₁₂ @Sn ₂₀ ] ¹²⁻

   https://doi.org/10.1002/chem.201905088  

   Kulichenko, Maksim ; Fedik, Nikita ; Boldyrev, Alexander ; Muñoz‐Castro, Alvaro ( January 2020 , Chemistry – A European Journal)
4. Magnetic properties of the layered III-VI diluted magnetic semiconductor Ga _1−x Fe _x Te

   https://doi.org/10.1063/1.4945335  

   Pekarek, T. M. ; Edwards, P. S. ; Olejniczak, T. L. ; Lampropoulos, C. ; Miotkowski, I. ; Ramdas, A. K. ( May 2016 , AIP Advances)
5. Structural, magnetic and ferroelectric properties of lead free piezoelectric 0.9(0.45Ba _0.7 Ca _0.3 TiO ₃ -0.55BaTi _0.8 Zr _0.2 O ₃ ) and magnetostrictive 0.1(Co _0.7 Mn _0.3 Fe _1.95 Dy _0.05 O ₄ ) magnetoelectric particulate composite

   https://doi.org/10.1063/1.5124159  

   Keswani, Bhavna C. ; Patil, S. I. ; James, A. R. ; Nath, R. C. ; Boomishankar, R. ; Kolekar, Y. D. ; Ramana, C. V. ( December 2019 , Journal of Applied Physics)