Results 291 to 300 of about 298,276 (333)

Slow magnetic relaxation in Cu(ii)–Eu(iii) and Cu(ii)–La(iii) complexes

New Journal of Chemistry, 2019
A dinuclear [(H2O)Cu(HLN2O2)Eu(NO3)3] complex exhibits paramagnetic behaviour with S = 1/2 ground state. At low temperature it displays slow magnetic relaxation that is supported by a small external magnetic field.
M. Dolai, M. Ali, C. Rajnák, J. Titiš, R. Boča   +4 more
semanticscholar   +1 more source

Exceptionally slow magnetic relaxation in a mononuclear hexacoordinate Ni(ii) complex.

Dalton Transactions, 2019
A hexacoordinate mononuclear [Ni(pydm)2](dnbz)2 complex shows field-induced slow magnetic relaxation with two or three relaxation channels that are strongly supported by an external magnetic field.
J. Titiš, Veronika Chrenková, C. Rajnák, J. Moncol’, D. Valigura, R. Boča   +5 more
semanticscholar   +1 more source

Slow Magnetic Relaxation in Dysprosium Based Single-Ion Magnets

2016
The experimental and theoretical study of two mononuclear dysprosium-based complexes is reported. Both complexes demonstrate slow relaxation of magnetization at low temperatures. The Hamiltonian for explanation of the magnetic behavior (the magnetic susceptibility as a function of temperature and magnetization as a function of the applied magnetic ...
K. Preuss, R. Clerac, O. Reu, S. Ostrovsky, A. Palii, S. Klokishner   +5 more
openaire   +1 more source

Trigonal Bipyramidal Dy₅ Cluster Exhibiting Slow Magnetic Relaxation

Inorganic Chemistry, 2012
A pentanuclear dysprosium cluster, [Dy(5)(μ(3)-OH)(6)(Acc)(6)(H(2)O)(10)]·Cl(9)·24H(2)O (1), has been synthesized through the reaction of 1-amino-cyclohexanel-carboxylic acid (Acc) and DyCl(3)·5H(2)O. Crystal structural analysis reveals that the metal core of cluster 1 shows an unprecedented trigonal bipyramidal (TBP) geometry.
Peng, Jun-Bo, Kong, Xiang-Jian, Ren, Yan-Ping, Long, La-Sheng, Huang, Rong-Bin, Zheng, Lan-Sun   +5 more
openaire   +3 more sources

Hydrogen-Bonded Framework of a Cobalt(II) Complex Showing Superior Stability and Field-Induced Slow Magnetic Relaxation.

Inorganic Chemistry, 2022
Dong Shao, Peng Peng, Maolin You, L. Shen, Shi-Yuan She, Yiquan Zhang, Z. Tian   +6 more
semanticscholar   +1 more source

Slow Magnetic Relaxation in Cobalt(II) Field-Induced Single-Ion Magnets with Positive Large Anisotropy.

Inorganic Chemistry, 2018
Three pentacoordinate complexes of the type [Co( pypz)X2], where pypz is a tridentate ligand 2,6-bis(pyrazol-1-yl)pyridine and X = Cl- (1), NCS- (2), and NCO- (3), have been synthesized, and their structures have been determined by X-ray analysis. The DC
A. Świtlicka, B. Machura, Mateusz Penkala, A. Bieńko, D. Bieńko, J. Titiš, C. Rajnák, R. Boča, A. Ozarowski, M. Ozerov   +9 more
semanticscholar   +1 more source

Slow Magnetic Relaxation from Hard‐Axis Metal Ions in Tetranuclear Single‐Molecule Magnets

Chemistry – A European Journal, 2010
AbstractWe report the synthesis of the novel heterometallic complex [Fe3Cr(L)2(dpm)6]⋅Et2O (Fe3CrPh) (Hdpm=dipivaloylmethane, H3L=2‐hydroxymethyl‐2‐phenylpropane‐1,3‐diol), obtained by replacing the central iron(III) atom by a chromium(III) ion in an Fe4 propeller‐like single‐molecule magnet (SMM). Structural and analytical data, high‐frequency EPR (HF‐
Tancini E, Rodriguez Douton MJ, SORACE, LORENZO, Barra AL, SESSOLI, ROBERTA, Cornia A.   +5 more
openaire   +3 more sources

Slow relaxation effects in magnetically nonuniform materials

IEEE Transactions on Magnetics, 1966
The nonstationary magnetization reversal was investigated as a function of frequency f and amplitude H_{\max} of the magnetizing field in samples made of magnetite or iron powders, in cold rolled strips of nickel, as well as in multiple films in which nickel laminations are separated by nonmagnetic materials.
openaire   +1 more source

Slow quantum relaxation in a tetrairon(III) single-molecule magnet

Inorganica Chimica Acta, 2008
Abstract Monoethers of pentaerythritol, R′O–CH2C(CH2OH)3, are convenient site-specific ligands for the design and preparation of functionalized Fe4 single-molecule magnets. Herein, we describe the synthesis, crystal and molecular structure and magnetic properties of a novel Fe4 derivatives with R′ = phenyl, obtained by site-specific ligand ...
A. Cornia, L. Gregoli, C. Danieli, CANESCHI, ANDREA, SESSOLI, ROBERTA, SORACE, LORENZO, A. L. Barra, W. Wernsdorfer   +7 more
openaire   +3 more sources

Slow Magnetic Relaxation in a High-Spin Iron(II) Complex

Journal of the American Chemical Society, 2010
Slow magnetic relaxation is observed for [(tpa(Mes))Fe](-), a trigonal pyramidal complex of high-spin iron(II), providing the first example of a mononuclear transition metal complex that behaves as a single-molecule magnet. Dc magnetic susceptibility and magnetization measurements reveal a strong uniaxial magnetic anisotropy (D = -39.6 cm(-1)) acting ...
Danna E, Freedman, W Hill, Harman, T David, Harris, Gary J, Long, Christopher J, Chang, Jeffrey R, Long   +5 more
openaire   +2 more sources