13 Result(s)

Article

Poster contributions

A. Houlton, J. Silver, J. Guillin, M. H. Desbois, M. Lacoste… in Hyperfine Interactions (1989)

Article

YBa₂(Cu_1−x M _x )₃O_7−y (M=⁵⁷Fe,⁵⁷Co) Mössbauer data and clustering

J. Berke, L. Bottyán, J. Dengler, B. Molnár, D. L. Nagy… in Hyperfine Interactions (1989)

Article

Intermediate electronic relaxation betweenS=3/2 andS=1/2 states in Fe(J-mph)NO with a jäger-type ligand J-mph

The incomplete spin transition between the low-spin (LS) (S=1/2) and the intermediate-spin (IS) (S=3/2) states in the iron (III) complex Fe(J-mph)NO (mph=4-methyl-o-phenylene), centered atT _c≈212 K, has been stud...

J. Dengler, E. König, L. F. Larkworthy, G. Ritter, S. K. Sengupta in Hyperfine Interactions (1990)

Article

Fe-induced magnetic transition in YBa₂(Cu_1−x ⁵⁷Fe _x )₃O₆ by NQR and Mössbauer spectroscopy

Nuclear quadrupole resonance spectroscopy (around 30 MHz) on the chain site Cu(1) nuclei in oxygen deficient YBa₂(Cu_1−x Fe _x )₃O₆ doped with different amounts of⁵⁷Fe (x≤0.01) rev...

L. Bottyán, A. Jánossy, A. Barcs, I. Fúró, J. Dengler, D. L. Nagy in Hyperfine Interactions (1990)

Article

A CEMS study of ac-axis oriented thin film of YBa₂(Cu_0.97 ⁵⁷Fe_0.03)₃O₇

⁵⁷Fe Mössbauer spectra of a fullyc-axis oriented epitaxial thin film of YBa₂(Cu_0.97 ⁵⁷Fe_0.03)₃O₇, recorded by CEMS, are reported. Spectra taken at different angles between the normal of the film (i.e. thec-axis)...

J. Dengler, G. Ritter, G. Saemann-Ischenko, B. Roas, L. Schultz… in Hyperfine Interactions (1990)

Article

Mössbauer study of Tl containing highT _c superconductors

Mössbauer spectroscopy, X-ray diffractometry, ESR and electrical resistivity measurements, were used to study highT _c (above 100 K) superconducting materials in order to get information about the effect of the pr...

E. Kuzmann, Z. Homonnay, A. Vértes, L. Bottyán, I. Kirschner… in Hyperfine Interactions (1990)

Article

Variation ofx andy in thin films of YBa₂(Cu_1−x ⁵⁷Fe _x )₃O_7−y studied by conversion electron Mössbauer spectroscopy (CEMS)

Fullyc-axis oriented thin films of YBa₂(Cu_1−x ⁵⁷Fe _x )₃O_7−y were studied by varying the Fe- and O-conten...

J. Dengler, G. Errmann, G. Ritter, O. Bauer, G. Saemann-Ischenko… in Hyperfine Interactions (1991)

Article

Iron inc-axis oriented thin films of YBa₂Cu₃O₇: A combined cems, SEM, EDX and XRD study

Fullyc-axis oriented thin films of YBa₂(Cu_1−x ⁵⁷Fe _x )₃O₇ on 〈100〉 SrTiO₃ substrate (x=0.15%, 1%, 3%, and 6%) were investigated by means of x-ray diffraction (XRD), scanning ele...

J. Dengler, G. Errmann, G. Ritter, J. Markl, G. Saemann-Ischenko… in Hyperfine Interactions (1992)

Article

Heavy ion irradiation effects inc-axis oriented thin films of YBa₂(Cu_0.97 ⁵⁷Fe_0.03)₃O₇ studied by CEMS

Fullyc-axis oriented thin films of YBa₂ (Cu_0.97 ⁵⁷Fe_0.03)₃O₇ on <100> SrTiO₃ substrate were irradiated with different fluences ϕ of 500 MeV¹²⁷I parallel to thec-axis. The samples were investigated by means of x-r...

J. Dengler, G. Errmann, N. Kaner, G. Ritter, B. Hensel, M. Kraus… in Hyperfine Interactions (1992)

Article

A study of a fullyc-axis oriented dc-sputtered thin film of YBa₂(Cu_0.98 ⁵⁷Fe_0.02)₃O_6.8 by means of CEMS, XRD and SEM

A fullyc-axis oriented thin film of YBa₂(Cu_0.98 ⁵⁷Fe_0.02)₃O_6.8 prepared by planar dcsputtering has been investigated by means of Mössbauer spectroscopy. Room temperature⁵⁷Fe conversion electron Mössbauer spectra ...

J. Amon, J. Dengler, G. Ritter, C. Fink, J. Markl… in Hyperfine Interactions (1994)

Article

Evaluation of the low temperature Mössbauer spectra of YBa₂(Cu_0.9Fe_0.1)₃O_6.9 by means of a field distribution model

57Fe Mössbauer spectra of YBa₂(Cu_0.9Fe_0.1)₃O_6.9 measured at low temperatures show spontaneous magnetic ordering combined with broad resonance lines. It is shown that these spectra can be well understood assuming ...

J. Dengler, G. Ritter in Hyperfine Interactions (1994)

Article

EFG determination in magnetic field oriented powders of YBa₂(Cu_1−x ⁵⁷Fe _x )₃O_7−y superconductors: A test of existing models

YBa₂(Cu_1-x ⁵⁷Fe _x )₃O_7−y powder samples withx=0.02 and 0.03 were uniaxiallyc-aligned in epoxy in a magnetic field of 7.5 T. An X-ray map of the distribution of the orientation o...

L. Bottyán, J. Dengler, Gy. Faigel, N. E. Kaner, D. L. Nagy… in Hyperfine Interactions (1994)

Article

A Mössbauer spectroscopy study of antiferromagnetic iron arachidate Langmuir-Blodgett films

Langmuir-Blodgett multilayers of ferric arachidate (abbreviated: FeA) on silicon wafers have been investigated by means of conversion electron Mössbauer spectroscopy (CEMS) and absorption Mössbauer spectroscop...

E. Giesse, J. Dengler, G. Ritter, D. Brandi, H. Voit in Hyperfine Interactions (1994)