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  1. No Access

    Article

    Investigations of “soft-landed” Cd surface atoms via nuclear methods: hyperfine-field sign determination

    Using refined preparation techniques, cadmium guest atoms have been positioned at different sites on the surfaces of nickel crystals. The magnetic hyperfine fields and the electric field gradients at the Cd ...

    Y. Manzhur, W.-D. Zeitz, M. J. Prandolini, W. D. Brewer… in The European Physical Journal B (2007)

  2. No Access

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    Magnetic anisotropy of Ni modified by extreme lattice expansion

    The induced magnetism of isolated (Cd) adatoms, soft-landed onto ultrathin Ni layers grown pseudo-morphologically on Pd(001) (aPd = 3.8907 Å), was studied using the perturbed angular correlation (PAC) technique. ...

    Y. Manzhur, P. M. Imielski, K. Potzger… in The European Physical Journal B - Condense… (2005)

  3. No Access

    Article

    A study of the induced magnetism in the Au spacer layer of Co/Au/CoO exchange-bias trilayers and related systems

    We report the first observation of the effects of exchange bias on the nuclear spin polarization and induced magnetic moments at a magnetic/non-magnetic interface, applying low temperature nuclear orientation (LT...

    M. Gierlings, M. J. Prandolini, M. Gruyters… in The European Physical Journal B - Condense… (2005)

  4. No Access

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    Experiments on the Magnetism of Sc Implanted into Metals

    The study of dilute Sc impurities in either heavier d-transition metals or in alkali metal hosts is difficult due to their limited solubility; however, the large host-impurity mismatch in these systems makes them...

    T. Funk, W. D. Brewer, J. Kapoor, A. Metz, D. Riegel in Hyperfine Interactions (2001)

  5. No Access

    Article

    A study of the induced magnetic hyperfine fields in Fe/Ag multilayers

    Near perpendicular magnetic hyperfine fields in 110mAg have been observed in Fe/Ag multilayers. These fields are studied by low temperature nuclear orientation (LTNO) in multilayers [Ag(x ML)/Fe(y ML)]20, with (x...

    T. Phalet, M.J. Prandolini, W.D. Brewer, J. Dekoster, P. De Moor… in Hyperfine Interactions (1999)

  6. No Access

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    Magnetic behaviour of Tb impurities in Gd andY single crystals: a nuclear orientation study

    The low temperature nuclear orientation of160Tb impurities in Gd andY single crystals has been studied in the temperature range 7–40 mK andin the external magnetic field range 0–7.3 T applied alonga-, b- andc-cry...

    M. Trhlík, W. D. Brewer, J. Kuriplach, B. Sedlák, J. Dupák in Hyperfine Interactions (1993)

  7. No Access

    Article

    Nuclear orientation and NMRON in rare earths

    The rare-earth or lanthanoid series of elements offers a rich ground for the study of both solid-state phenomena and nuclear physics. Some systematic investigations of these elements as host materials and as i...

    W. D. Brewer in Hyperfine Interactions (1990)

  8. No Access

    Article

    Precision nuclear orientation measurements for determining mixed magnetic dipole/electric quadrupole hyperfine interactions

    We report the temperature dependence of the gamma-ray anisotropies from oriented160Tb nuclei produced by neutron activation of the central portion of a high-purity single crystal Tb slab. The magnetically saturat...

    W. D. Brewer, P. Roman, H. Marshak in Hyperfine Interactions (1989)

  9. No Access

    Article

    Static and dynamic hyperfine interactions of Mn and Co impurities in the weak ferromagnet ZrZn2

    We report the nuclear orientation of near-stoichiometric samples of ZrZn2 containing trace impurities of radioactive54Mn and60Co in the temperature range 6.5–60 mK and in applied fields between 0.2 and 5.7 T. Ana...

    M. Hoffmann, M. Böttcher, W. D. Brewer in Hyperfine Interactions (1989)

  10. No Access

    Article

    Magnetization of single-crystal terbium at very low temperatures by nuclear orientation

    We report an investigation of the magnetization of high-purity single crystal terbium below 50 mK, using the nuclear orientation of160Tb, which substitutionally replaces naturally-occurring, monoisotopic159Tb. Th...

    H. Marshak, P. Roman, W. D. Brewer in Hyperfine Interactions (1989)

  11. No Access

    Article

    Fast nuclear relaxation in CoPd alloys studied by nuclear orientation-fast heating

    We have studied the nuclear spin-lattice relaxation of Co nuclei in the Co concentration range from 1.6 ppm to 1%, using alloys containing radioactive60Co and a nuclear orientation-fast pulsed heating (NO-FH) met...

    M. Böttcher, W. D. Brewer, E. Klein in Hyperfine Interactions (1989)

  12. No Access

    Article

    Nuclear orientation of the rare-earth system \(^{160} Tb\underline {Tb} \) (sc)

    We report precision nuclear orientation measurements on a bulk160TbTb single crystal sample. The results of these experiments allow us to determine the hyperfine parameters for this system, as well as precise mul...

    H. Marshak, W. D. Brewer, P. Roman in Hyperfine Interactions (1988)

  13. No Access

    Article

    Low-temperature dynamics of local-moment systems investigated by thermal cycling methods

    We report studies of the low-temperature dynamics of several dilute alloy systems in which local moments are present, using various thermal-cycling nuclear orientation methods. Determinations of nuclear spin-l...

    W. D. Brewer, M. Böttcher, M. Hoffmann, E. Klein, P. Roman in Hyperfine Interactions (1988)

  14. No Access

    Article

    Nuclear spin-lattice relaxation of dilute Mn in Cu, Ag, and Au

    We have developed a new method of determining nuclear spinlattice relaxation times of dilute impurity nuclei in non-magnetic host metals. Direct measurement of these extremely rapid relaxation times has hither...

    W. D. Brewer, A. Kettschau, E. Kleih in Hyperfine Interactions (1983)

  15. No Access

    Article

    Nuclear orientation of thermally prepared114mInCu by the brute-force method

    We report the results of brute-force orientation experiments on several alloys of114mInCu prepared by different thermal methods, with the goal of clarifying the origins of the deviations from the theoretical nucl...

    J. Boysen, W. D. Brewer, A. Kettschau in Hyperfine Interactions (1983)

  16. No Access

    Article

    Recent developments in radiative detection of nuclear magnetic resonance

    A review is given of various methods for the detection of nuclear magnetic resonance using nuclear radiations. After a discussion of the physical basis of the different methods, emphasizing their common featur...

    W. D. Brewer in Hyperfine Interactions (1982)

  17. No Access

    Article

    Magnetization behavior of polycrystalline and single-crystal Tb and impurity HFI in heavy rare earths

    J. Grimm, W. D. Brewer, J. Boysen, G. V. H. Wilson in Hyperfine Interactions (1981)

  18. No Access

    Article

    Hyperfine fields at Mn and Cr in ZrFe2

    A. Heidari-Dehkordi, J. Boysen, W. D. Brewer in Hyperfine Interactions (1981)

  19. No Access

    Article

    Nuclear orientation of48V in Fe and Co and NMR of48VFe

    Observations of the anisotropies of the 984 and 1312 keV γ-rays from48VFe and48VCo in fields up to 4 T and temperatures down to 4 mK show extremely long nuclear spin-lattice relaxation times (3–4 h in Fe, 8 h in ...

    K. D. Bures, W. D. Brewer, G. V. H. Wilson in Hyperfine Interactions (1980)

  20. No Access

    Article

    Nuclear orientation of AgMn alloys

    J. Sanchez, J. Flouquet, W. D. Brewer in Hyperfine Interactions (1978)

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