R.N. West
University of Texas at Arlington
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Featured researches published by R.N. West.
Physica B-condensed Matter | 1995
Maurizio Biasini; H. Harima; Yoshichika Onuki; H. M. Fretwell; Stephen B Dugdale; M A Alam; R.N. West
Abstract The two-dimensional angular correlation of electron-positron annihilation eradiation (2D-ACAR) from the heavy-fermion dense Kondo system CeB6 was measured. The use of a recently developed filter procedure, designed to remove characteristic positron-induced long range distortions that are frequently superimposed on the Fermi breaks, provided a good description of the Fermi surface features. Further, the results of a preliminary 2D ACAR study of the electronic structure of the heavy-fermion system CeCu6 are shown and compared with those obtained for the reference non-f-electron material LaCu6.
Materials Science Forum | 1995
Maurizio Biasini; H. Harima; H. M. Fretwell; M A Alam; Stephen B Dugdale; R.N. West; Y. Onuki
SummaryThe results of a prelimianry study of the electronic structure of the heavy-fermion system CeCu6 via the two-dimensional angular correlation of electron-positron annihilation radiation (2D ACAR) technique were compared with those obtained for the isostructural reference non-f-electron material LaCu6. The spectra relating to the 2 compounds displayed extremely similar anisotropic structures, with features related to the symmetry of the Brillouin zone. At present, these structures cannot however be attributed to Fermi-surface or positron wave function effects or to anisotropies of some full valence band. In the case of LaCu6, data processing prior to the LCW procedure via new filtering techniques revealed a reasonably good agreement between the LCW data and LAPW Fermi-surface calculations while in the case of CeCu6 it appeared difficult to relate the results, still of controversial interpretation, to any theoretical model.
Il Nuovo Cimento D | 1995
Maurizio Biasini; H. Harima; H. M. Fretwell; M A Alam; Stephen B Dugdale; R.N. West; Y. Onuki
SummaryThe results of a prelimianry study of the electronic structure of the heavy-fermion system CeCu6 via the two-dimensional angular correlation of electron-positron annihilation radiation (2D ACAR) technique were compared with those obtained for the isostructural reference non-f-electron material LaCu6. The spectra relating to the 2 compounds displayed extremely similar anisotropic structures, with features related to the symmetry of the Brillouin zone. At present, these structures cannot however be attributed to Fermi-surface or positron wave function effects or to anisotropies of some full valence band. In the case of LaCu6, data processing prior to the LCW procedure via new filtering techniques revealed a reasonably good agreement between the LCW data and LAPW Fermi-surface calculations while in the case of CeCu6 it appeared difficult to relate the results, still of controversial interpretation, to any theoretical model.
Physical Review Letters | 1991
H. Haghighi; J. H. Kaiser; S. Rayner; R.N. West; J. Z. Liu; R.N. Shelton; R. H. Howell; F. Solal; M. J. Fluss
Physical Review Letters | 1997
Stephen B Dugdale; H. M. Fretwell; M A Alam; G. Kontrym-Sznajd; R.N. West; S. Badrzadeh
Journal of Physics: Condensed Matter | 1999
Ea Livesay; R.N. West; Stephen B Dugdale; Gilles Santi; T Jarlborg
Advanced Materials Research | 1994
L.D. Hulett; B.L. Brown; R. H. Howell; P.L. Jones; Kelvin G. Lynn; Sohei Okada; L.C. Smedskjaer; R.N. West; R. Gonzalez; A.L. Denison; Yan Ching Jean; W. J. Kossler; Allen P. Mills; David M. Schrader; A.H. Weiss; Y. Chen
Materials Science Forum | 2001
H. Sormann; G. Kontrym-Sznajd; R.N. West
Materials Science Forum | 1997
G. Kontrym-Sznajd; R.N. West; Stephen B Dugdale
Materials Science Forum | 2001
G. Kontrym-Sznajd; H. Sormann; R.N. West