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REFERENCES Alexeev A.O., Kovalevskaya J.S., Morgun E.G., Somoylova E.M., 1989, Magnitnaya vosprimchivost’ pochv sopriazhennykh landshaftov (Magnetic susceptibility of the soils of associated landscapes; in Russian), Pochvovedeniye , 8, 27 – 36. Babanin V.F., Trukhin V.J., Karpatchevskii L.O., Ivanov A.V., Morozov V.V., 1995, Soil Magnetism , Yaroslavl State University Press, Moskva. Jeleńska M., Hasso-Agopsowicz A., Kopcewicz B., Sukhorada A., Tyamina K., Kądziałko-Hofmokl M., Matviishina Z., 2004, Magnetic properties of the profiles of polluted and non

References Bernstein J, Davis RE, Shimoni L, Chang N-L (1995) Patterns in hydrogen bonding: Functionality and graph set analysis in crystals. Angew. Chem. Int. Ed. Eng. 34: 1555-1573. Bieńko A, Kłak J, Mroziński J, Domagała S, Korybut- Daszkiewicz B, Woźniak K (2007) Magnetism and crystal structures of (CuMnII)-Mn-II and (CuNiII)- Ni-II ordered bimetallic chains. Polyhedron 26: 5030-5038. Brandenburg K (2008) Diamond. Crystal Impact (version 3.1f) GbR, Bonn, Germany. Černák J, Kuchár J, Stolárová M, Kajňaková M, Vavra M, Potočňák I, Falvello LR, Tomás M (2010

transition-metal compounds. Amsterdam: Elsevier. 9. Misra, S. K. (Ed.) (2011). Multifrequency electron paramagnetic resonance. Weinheim: Wiley-VCH. 10. Boča, R. (1999). Theoretical foundations of molecular magnetism. Amsterdam: Elsevier. 11. Buschow, K. H. J., & de Boer, F. R. (2003). Physics of magnetism and magnetic materials . New York: Kluwer Academic. 12. Boča, R. (2006). Magnetic parameters and magnetic functions in mononuclear complexes beyond the spin-Hamiltonian formalism. Struct. Bond ., 117 , 1–264. 13. Gatteschi, D., Sessoli, R., & Villain, J. (2006

50118a006 [42] Boca R., Coord. Chem. Rev., 248 (2004), 757. http://dx.doi.org/10.1016/j.ccr.2004.03.001 [43] Smart J.S., Effective Field Theories of Magnetism, (1966) Saunders W.B. Comp., Philadelphia and London. [44] Hall J.W.A., Ph.D. Dissertation, (1977), University of North Carolina. [45] Bonner J.C., Fisher M.E., Phys. Rev. Sect. A., 135 (1964), 640. [46] O’brien S. Gaura R.M., Landee C.P., Willett R.D., Solid. State Commun., 39 (1981). [47] Mabbs F.E., Machin D.J., Magnetism and Transition Metal Complexes, Chapman and Hall, (1973), London. [48] Kahn O

temperature with concentration x of CoMnYAl 1−x Ga x , CoMnYGa 1−x In x and CoMnYAl 1−x In x Heusler alloys (dotted line is the linear fit). 4 Conclusions In summary, the first-principles FPLAPW method based on DFT within the GGA has been used to investigate the structural, elastic, electronic properties and magnetism of quaternary Heusler alloys of CoMnYZ (Z = Al, Ga, In). In all the compounds, the stable Y-type 1+ FM structure was energetically more favorable than Y-type 2 and Y-type 3 structures. The negative formation energy indicates the thermodynamical stability of

(2016) The rise of 3-d single-ion magnets in molecular magnetism: towards materials from molecules? Chem. Sci. 7: 2470-2491. Gerloch M, Constable EC (1994) Transition metal chemistry. VCH Publishers, New York, 212 pp. Grigoropoulos A, Pissas M, Papatolis P, Psycharis V, Kyritsis P, Sanakis Y (2013) Spin-relaxation properties of a high-spin mononuclear Mn(III)O6-containing complex. Inorg. Chem. 52: 12869-12871. Lin W, Bodenstein T, Mereacre V, Fink K, Eichhofer A (2016) Field-Induced Slow Magnetic Relaxation in the Ni(I) Complexes [NiCl(PPh 3 ) 2 ]·C 4 H 8 O and [Ni

Abstract

Bovine spleen has been used as a sample for deep magnetochemical investigation. Temperature dependence of the magnetic susceptibility and field dependence of the magnetization reveal a paramagnetic behaviour that violates the Curie law. The zero-field cooled magnetization and field cooled magnetization experiments show the bifurcation point at ca T C = 20 K and the blocking temperature T B = 10 K confirming a dominating portion of ferritin along with the organic tissue. There is a remnant magnetization at temperature below 20 K and the search for the magnetic hysteresis was positive.

Abstract

Pincer type ligand 2,6-pyridinedimethanol was used as a useful tool in the preparation of the Co(II) pseudoctahedral complex together with 3,5-dinitrobenzoate counteranion. New complex of the composition [Co(pydm)2](3,5-dnbz)2(pydm = 2,6-pyridinedimethanol, and 3,5-dnbz = 3,5-dinitrobenzoate anion) has been prepared and characterized. Its XRD structure revealed pseudooctahedral {CoN2O4} chromophore around the cobalt atom with Co-N distances significantly shorter (Co-Nav = 2.038 Ǻ) in comparison to the Co-O ones (Co-Oav = 2.142 Ǻ), which was probably the reason of its relatively high zero-field splitting parameter (D/hc = 43.6 cm-1). Positive value of the D parameter causes slow relaxation process typical for Co(II) SMM behavior. The 3,5-dinitrobenzoate counteranions are strongly bonded to the [Co(pydm)2] cation via rather strong hydrogen bonds (O∙∙∙Oav = 2.568 Ǻ) forming “quasi molecular” units. Solid state structure allowed different π-π stacking interactions of neighboring “molecular” unit aromatic rings probally leading to observation of the additional relaxation mode.

, Journal of materials processing technology 166, 330-336. 10. V értesy G. et al . 2005. Nondestructive indication of plastic deformation of cold-rolled stainless steel by magnetic minor hysteresis loop measurement , Journal of Magnetism and Magnetic Materials 285, 335-342. 11. Y ae K ina A. et al . 2008. Microstructure and intergranular corrosion resistance evaluation of AISI 304 steel for high temperature service , Materials characterisation 59, 651-655. 12. Y amasaki T. et al . 1996, Effect of applied stresses on magneto-striction of low carbon stee l, NDT

-field splitting in metal complexes. Coord. Chem. Rev., 248, 2004, 757-815. BOČA, R.: Magnetic function beyond the Spin-Hamiltonian. In : MINGOS, D.M.P. (Ed.), Structure and bonding, Springer Berlin Heidelberg, 2006 1-264. CLARK, R.C., REID, J.S.: The analytical calculation of absorption in multifaceted crystals. Acta Chryst. A, 51, 1995, 887-897. CCDC (Cambridge Crystallographic Data Centre): http://www.ccdc.cam.ac.uk/ . 2016. FROST, J.M., HARRIMAN, K.L.M., MURUGESU, M.: The rise of 3-d single-ion magnets in molecular magnetism: towards materials from molecules. Chem. Sci., 7