Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Ewa Huskowska"'
Publikováno v:
Journal of Luminescence. 169:454-457
This work reports on the influence of structural distortions on 4f–4f intensity parameters. These distortions in the first coordination sphere were applied to two complexes with similar structures, Ln(bpyO2)4(ClO4)3 (Ln=Pr3+, Nd3+ ions and bpyO2=2,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5f0c096dd06f576347f0f1041df1708
https://doi.org/10.1016/j.jlumin.2015.02.028
https://doi.org/10.1016/j.jlumin.2015.02.028
Publikováno v:
Journal of Alloys and Compounds. 341:187-192
This paper is a continuation of our earlier studies on the excited state dynamics of high symmetry [Ln(2,2′-bipyridine-1,1′-dioxide) 4 ](ClO 4 ) 3 systems. It was shown that all RE ions form, with the title ligand (bpyO 2 ), complexes of formula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::460bcf7115c2a88721c053cfe02ffbf6
https://doi.org/10.1016/s0925-8388(02)00069-5
https://doi.org/10.1016/s0925-8388(02)00069-5
Publikováno v:
New J. Chem.. 26:1461-1467
Single crystals of [Ln(2,2′-bipyridine-1,1′-dioxide)4](ClO4)3 (Ln = Nd, Lu) have been obtained and the crystal structures determined. By comparison with previous structural determinations, it is demonstrated that steric crowding associated with t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99fa20998aab26363fd83bdd399ff287
https://doi.org/10.1039/b201846m
https://doi.org/10.1039/b201846m
Autor:
Ewa Huskowska, Ilona Turowska-Tyrk, F.R.G. e Silva, Oscar L. Malta, Janina Legendziewicz, Rodrigo Q. Albuquerque, C. de Mello Donegá
Publikováno v:
Journal of Alloys and Compounds. :654-660
The high resolution emission spectrum of the Eu 3+ ion in the compound Eu(bpyO 2 ) 4 (ClO 4 ) 3 , where bpyO 2 =2,2'-bipyridine-1,1'-dioxide, has been previously studied in solid state and frozen solution. The compound crystallizes in the monoclinic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6da590dfee60cea76316c120dc5d6fd
https://doi.org/10.1016/s0925-8388(01)01027-1
https://doi.org/10.1016/s0925-8388(01)01027-1
Publikováno v:
Journal of Alloys and Compounds. :325-330
Circularly polarized luminescence (CPL) has been measured from rigid sol-gels containing racemic D 3 complexes of Eu(III) with 2,6-pyridine-dicarboxylate (DPA) and oxydiacetate (ODA). These complexes occur in solution and sol-gels as racemic mixtures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7580e092eb5c8d921230eeaf4a2d339
https://doi.org/10.1016/s0925-8388(00)00600-9
https://doi.org/10.1016/s0925-8388(00)00600-9
Autor:
Ewa Huskowska, Janina Legendziewicz
Publikováno v:
Journal of Alloys and Compounds. :303-309
Polynuclear Nd and heteronuclear Cu:Nd squarate complexes of the formulae [Nd 2 (C 4 O 4 ) 3 (H 2 O) 11 ].2H 2 O and [Nd 2 Cu(C 4 O 4 ) 4 (H 2 O) 16 ].2H 2 O were characterised in the 4.2 to 293 K temperature range by absorption spectroscopy. Electro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::669a3413052fd1e02a1906bee9d2695f
https://doi.org/10.1016/s0925-8388(99)00729-x
https://doi.org/10.1016/s0925-8388(99)00729-x
Autor:
Ewa Huskowska, James P. Riehl
Publikováno v:
Journal of Luminescence. 86:137-146
Previous studies on the crystal structure of a complex formed with 2,2′-bipyridine-1,1′-dioxide (bpyO2) and La(III) ions have shown the existence of an tetrakis eight coordinate complex in which the metal ion sits in a site of approximate D4 symm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d855d7cd7d63d9599492e149ef70fec7
https://doi.org/10.1016/s0022-2313(99)00200-8
https://doi.org/10.1016/s0022-2313(99)00200-8
Autor:
Janina Legendziewicz, Ewa Huskowska, Yu. V. Yablokov, Violeta K. Voronkova, M. Borzechowska, Grażyna Oczko
Publikováno v:
Applied Magnetic Resonance. 18:165-176
Electron paramagnetic resonance (EPR) of the systems of exchange-coupled ions differing strongly by spin-lattice relaxation times are discussed. The physical description of a rapid process which modulates and averages out the other, more slow one, is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a20c1a657532b07f37008bbe85551a8e
https://doi.org/10.1007/bf03162108
https://doi.org/10.1007/bf03162108
Publikováno v:
Journal of Alloys and Compounds. :852-858
Lanthanide ions are widely applied as spectroscopic probes in studies of biomolecular structures. However, in all known crystal structures of lanthanide complexes with amino acids and peptides, dimers and polymers are formed with one or more symmetry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cab7349b38f282e5822fa702da5d86d
https://doi.org/10.1016/s0925-8388(98)00471-x
https://doi.org/10.1016/s0925-8388(98)00471-x
Publikováno v:
Physics of the Solid State. 39:1838-1842
Crystalline [CuNd2(C4O4)4(H2O)16]·2H2O constructed of complexes of trivalent neodymium and divalent copper, has been synthesized and studied by EPR. The square anion groups (C4O4) enter as bridge ligands, forming chains of neodymium ions interconnec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9543d7d07386f626417aa53b807038bd
https://doi.org/10.1134/1.1130185
https://doi.org/10.1134/1.1130185