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Creators/Authors contains: "Riley, Grant"

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  1. ; ; ; ; ; ; ; (, Advanced Materials Interfaces)
    Abstract Iron garnets that combine robust perpendicular magnetic anisotropy (PMA) with low Gilbert damping are desirable for studies of magnetization dynamics as well as spintronic device development. This paper reports the magnetic properties of low‐damping bismuth‐substituted iron garnet thin films (Bi0.8Y2.2Fe5O12) grown on a series of single‐crystal gallium garnet substrates. The anisotropy is dominated by magnetoelastic and growth‐induced contributions. Both stripe and triangular domains form during field cycling of PMA films, with triangular domains evident in films with higher PMA. Ferromagnetic resonance measurements show damping as low as 1.3 × 10−4with linewidths of 2.7 to 5.0 mT. The lower bound for the spin‐mixing conductance of BiYIG/Pt bilayers is similar to that of other iron garnet/Pt bilayers. 
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  2. ; ; ; ; (, Physical Review B)
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  3. ; ; ; ; ; ; (, Macromolecular Rapid Communications)
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  4. ; ; ; ; ; ; ; ; ; ; et al (, Physical Review C)
    Precision measurements of observables in neutron β decay are used to test the standard model description of the weak interaction and search for evidence of new physics. The Nab experiment at the Fundamental Neutron Physics Beamline at the Spallation Neutron Source was constructed to measure correlations in neutron decay by utilizing an asymmetric spectrometer and novel detection system to accurately reconstruct the proton momentum and electron energy for each β decay. This work describes the detection of neutron β -decay products in the Nab spectrometer and presents the first full Dalitz plot representation of the phase space of neutron β decay for all electrons > 100 keV. In addition, new constraints are placed on a possible excited neutron state, hypothesized to explain the disagreement between the appearance and disappearance neutron lifetime techniques. 
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  5. ; ; ; ; ; ; (, Advanced Electronic Materials)
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  6. ; ; ; ; ; ; ; ; ; ; et al (, Physical Review C)
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  7. ; ; ; ; (, Physical Review B)
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