Zobrazeno 1 - 9 of 9 pro vyhledávání: '"J C Verstelle"'
1
Semi-spin-glass and spin-glass behaviour in EuxSr1-xSe with x=0.5 and 0.7
Autor: J. A. Mydosh, J C Verstelle, Bekir Özçelik, A J van Duyneveldt, Kerim Kiymaç
Publikováno v: Journal of Physics: Condensed Matter. 5:5667-5674
WOS: A1993LQ91400028 We have investigated the linear and, in detail, the non-linear AC susceptibilities of two insulating spin glasses obtained from the dilution of the antiferromagnetic EuSe with diamagnetic SrSe. The systems studied are the mixed c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de61fa6fd01d805e775e57b07891da59
https://doi.org/10.1088/0953-8984/5/31/028
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2
Dynamic magnetic behaviour of some diluted EuS and EuSe compounds
Autor: J C Verstelle, J. J. Baalbergen, A.J. Van Duyneveldt
Publikováno v: Physica B: Condensed Matter. 164:353-361
AC susceptibility measurements over a wide frequency range (1–10 8 Hz) on some Eu x Sr 1− x S ( x = 0.40 and 0.55) and Eu x Sr − x Se ( x = 0.50 and 0.70) compounds are reported. The analysis of the experimental data is concerned on the complex
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59b7587df12ab70126b0546f1fa0bb63
https://doi.org/10.1016/0921-4526(90)90824-e
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3
Non-linear AC susceptibility of a spin glass Pd-5.5 at.% Mn
Autor: Bekir Özçelik, Kerim Kiymaç, A J van Duyneveldt, J. A. Mydosh, J C Verstelle
The authors have investigated the linear and the non-linear AC susceptibilities of a Pd-Mn spin glass with 5.5 at.% Mn around its transition temperature Tf, as a function of temperature, frequency and amplitude of the AC driving field. Through linear
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e9029539b3c7b3c1247a333514a161b
https://hdl.handle.net/20.500.12605/17971
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4
LINEAR AND NONLINEAR AC SUSCEPTIBILITIES OF THE SPIN-GLASS EU0.4SR0.6S
Autor: J. A. Mydosh, Kerim Kiymaç, Bekir Özçelik, J C Verstelle, A J van Duyneveldt
WOS: A1992JG75000015 The linear and non-linear susceptibilities of a spin-glass Eu0.4Sr0.6S system have been measured in the temperature range from 1.2 to 4.2 K, for frequencies between 1 and 234 Hz. The freezing temperature T(f)(omega --> 0) of the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0575b01a101a1b8905ea2c6fe98710d
https://hdl.handle.net/20.500.12605/7176
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6
CONSEQUENCES OF COLE-COLE RELAXATION IN SPIN GLASSES
Autor: J. J. Baalbergen, J C Verstelle, A.J. Van Duyneveldt, T. S. Ong
Publikováno v: Le Journal de Physique Colloques. 49:C8-1065
Ac susceptibility measurements in spin glasses over an extended frequency range indicate a Cole-Cole behaviour at temperatures from well above to far below the freezing temperature. The consequences of this kind of relaxation are discussed.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c34594af777e5659f9af01d067b97213
https://doi.org/10.1051/jphyscol:19888487
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7
On Spin‐Spin Relaxation Effects
Autor: J. C. Verstelle, C. J. Gorter
Publikováno v: Journal of Applied Physics. 39:834-836
Results of different series of observations recently carried out in Leiden on spin‐spin relaxation effects in paramagnetic salts of the iron group are reported and discussed. The character of the frequency‐zero band and the resonance bands in par
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::86d8e2310395fb5d1caded07a8d6b256
https://doi.org/10.1063/1.2163635
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8
Critical and High-Temperature Spin Dynamics in Two 3-D and Two 2-D Ferromagnets
Autor: J. C. Verstelle, W. L. C. Rutten
Publikováno v: Magnetic Resonance and Related Phenomena ISBN: 9783642813467
The uniform relaxation rate for H=0 in 2-dim. Cu(CnH2n+1NH3)2Cl4 (n=1,2) and 3-dim. CuX2Br4.2H2O (X=Rb,NH4) has been measured from Tc-room temperature and compared with theory in the oritical region.The agreement is satisfactory if antisymmetric exch
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8124bac88ad5a1e9ff603f051f9d0fa0
https://doi.org/10.1007/978-3-642-81344-3_304
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