Zobrazeno 1 - 10
of 23
pro vyhledávání: '"G. van Kalkeren"'
Publikováno v:
Physica B+C. 97:315-337
A comparison is made between different methods of describing superexchange involving paramagnetic cations in non-conducting solids and molecular complexes. A description is given of the methods of Kramers (section 2), Anderson (section 4), Jansen and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48a1bb2564371187334f859e6b43c91f
https://doi.org/10.1016/0378-4363(79)90085-8
https://doi.org/10.1016/0378-4363(79)90085-8
Publikováno v:
Molecular Physics. 48:1-11
Semi-dilute 10 per cent 63Cu : Zn(pyO)6 X 2 (pyO = C5H5NO, pyridine-N-oxide], with X - = ClO- - or BF4 -, has been studied by X- and Q-band E.P.R.. Below the transition from dynamic to static Jahn-Teller distortion (at ∼ 60 K), pairs of Cu(pyO)6 2+
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3340a6d0656f26dbe27bf669a732f902
https://doi.org/10.1080/00268978300100011
https://doi.org/10.1080/00268978300100011
Autor:
J.L. Smith, Hans Rudolf Ott, D. E. MacLaughlin, W.H. Wong, W. G. Clark, M. D. Lan, G. van Kalkeren, Z. Fisk, Cheng Tien
Publikováno v:
Journal of Magnetism and Magnetic Materials. :396-399
9 Be NMR spectra have been studied in the heavy-fermion compound UBe 13 as functions of spectrometer frequency, crystal orientation, and temperature. Be I -site isotropic Knight shift and Be II -site anisotropic shifts, corresponding hyperfine fields
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f7ce034bb7d61ebb5caf87c5d3b9a34
https://doi.org/10.1016/0304-8853(87)90620-2
https://doi.org/10.1016/0304-8853(87)90620-2
Publikováno v:
Molecular Physics. 49:1187-1197
The Jahn-Teller (JT) and the E.P.R. parameters of the trigonal, JT-active hexakispyridine-N-oxide complex Cu(C5H5NO)6 2- are calculated from the results of extended Huckel molecular orbital calculations on a series of distorted geometries of this com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33aae2031e9c43f72a2cfd8748390233
https://doi.org/10.1080/00268978300101861
https://doi.org/10.1080/00268978300101861
Publikováno v:
Journal of Magnetic Resonance (1969). 52:211-220
The CU(IM)62+ (Im = imidazole) ion doped into the triclinic zinc host crystal Zn(Im)6Cl2 · 4H2O was reexamined with X- and Q-band single-crystal EPR spectroscopy over the temperature range 4 to 300 K. Contrary to the earlier study, which characteriz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93284d90cfddfd69130de58ebccdfd0b
https://doi.org/10.1016/0022-2364(83)90189-0
https://doi.org/10.1016/0022-2364(83)90189-0
Publikováno v:
Inorganic Chemistry. 21:4275-4284
The hexakis(pyridine N-oxide)copper fluoborate and perchlorate complexes have been examined by single-crystal neutron diffraction, electron paramagnetic resonance, and magnetic susceptibility measurements, in order to elucidate the nature of the coop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e18763a4909be432718fd6842f6d5252
https://doi.org/10.1021/ic00142a032
https://doi.org/10.1021/ic00142a032
Publikováno v:
Journal of Applied Physics. 61:3186-3188
The quadrupole splitting of the 27Al NMR spectrum in the intermediate‐valent (IV) compound YbCuAl has been measured as a function of temperature between 2 and 300 K. The splitting HQ between maxima of ±3/2⇄±1/2 powder‐pattern satellites varie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1968758404bc749c63a98609129c0c8
https://doi.org/10.1063/1.338922
https://doi.org/10.1063/1.338922
Publikováno v:
Journal of Magnetism and Magnetic Materials. :105-107
Earlier magnetisation and susceptibility measurements on the Yb 1- x Y x CuAl system have shown that up to x = 0.7 the intermediate valence state of Yb in this quasi-ternary compound remains unchanged by Y substitution. By means of a modified way of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcc48a79e51202d0e2cd778e8049546b
https://doi.org/10.1016/0304-8853(85)90371-3
https://doi.org/10.1016/0304-8853(85)90371-3
Publikováno v:
Solid State Communications. 44:1285-1287
Semi-dilute 10% 63 Cu : Zn(pyO) 6 (ClO 4 ) 2 [ pyO = C 5 H 5 NO , pyridine-N-oxide] has been studied by EPR. Spectra of pairs of Cu(pyO) 2+ 6 ions are observed below the transition from dynamic to static Jahn-Teller distortion. Most of these pairs ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec621112c8564634643226fd96da80ab
https://doi.org/10.1016/0038-1098(82)91105-x
https://doi.org/10.1016/0038-1098(82)91105-x
Autor:
A.A. Menovsky, J.C.P. Klaasse, F.R. de Boer, P.A. Veenhuizen, A.C. Moleman, G. van Kalkeren, Jan Aarts
Publikováno v:
Journal of Magnetism and Magnetic Materials. :425-427
Due to the presence of magnetic impurities in compounds containing intermediate valent Ce there is much confusion about the intrinsic susceptibility at low temperatures. In this paper high-field magnetization and suceptibility measurements are presen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97e21510232d25a012cc4233035700b7
https://doi.org/10.1016/0304-8853(86)90650-5
https://doi.org/10.1016/0304-8853(86)90650-5