Zobrazeno 1 - 10
of 426
pro vyhledávání: '"Lander, G H"'
Autor:
Bright, E. Lawrence, Ovchinnikova, E. N., Harding, L. M., Porter, D. G., Springell, R., Dmitrienko, V. E., Caciuffo, R., Lander, G. H.
Publikováno v:
Physical Review B 110, 125138 (2024)
We have conducted a series of scattering experiments at the uranium M4 absorption edge on low-symmetry uranium compounds (U2N3 and U3O8) produced as epitaxial films. At weak and forbidden reflections, we find a resonant signal, independent of tempera
Externí odkaz:
http://arxiv.org/abs/2409.03392
Thin layers of orthorhombic uranium ({\alpha}-U) have been grown onto buffered sapphire substrates by d.c. magnetron sputtering, resulting in the discovery of new epitaxial matches to Ti(00.1) and Zr(00.1) surfaces. These systems have been characteri
Externí odkaz:
http://arxiv.org/abs/2308.03576
Autor:
Springell, R., Bright, E. Lawrence, Chaney, D. A., Harding, L. M., Bell, C., Ward, R. C. C., Lander, G. H.
Thin films based on silicon and transition-metal elements dominate the semiconducting industry and are ubiquitous in all modern devices. Films have also been produced in the rare-earth series of elements for both research and specialized applications
Externí odkaz:
http://arxiv.org/abs/2307.01018
Research on actinide materials, both basic and applied, has been greatly advanced by the general techniques available from high-intensity photon beams from x-ray synchrotron sources. The most important single reason is that such x-ray sources can wor
Externí odkaz:
http://arxiv.org/abs/2211.02704
Autor:
Lander, G. H., Caciuffo, R.
D. J. Antonio et al. report an x-ray diffraction experiment on uranium dioxide at high-magnetic field and low temperature. The authors have apparently not realized that the diffraction data actually shows unambiguously the presence of a rhombohedral
Externí odkaz:
http://arxiv.org/abs/2104.06340
Autor:
Chaney, D., Castellano, A., Bosak, A., Bouchet, J., Bottin, F., Dorado, B., Paolasini, L., Rennie, S., Bell, C., Springell, R., Lander, G. H.
Publikováno v:
Phys. Rev. Materials 5, 035004 (2021)
Understanding the role of disorder and the correlations that exist within it, is one of the defining challenges in contemporary materials science. However, there are few material systems, devoid of other complex interactions, which can be used to sys
Externí odkaz:
http://arxiv.org/abs/2009.03226
Publikováno v:
Phys. Rev. B 100, 134426 (2019)
We examine the magnetic ordering of UN and of a closely related nitride, U2N3, by preparing thin epitaxial films and using synchrotron x-ray techniques. The magnetic configuration and subsequent coupling to the lattice are key features of the electro
Externí odkaz:
http://arxiv.org/abs/1907.11685
Autor:
Joyce, J. J., Graham, K. S., Zhu, J. -X., Lander, G. H., Choi, H., Durakiewicz, T., Wills, J. M., Tobash, P. H., Bauer, E. D., Mitchell, J. N.
The electronic structure of plutonium metal and its compounds pose a grand challenge for a fundamental understanding of the Pu-5$f$ electron character. For 30 years the plutonium chalcogenides have been especially challenging, and multiple theoretica
Externí odkaz:
http://arxiv.org/abs/1905.01732
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Autor:
Rennie, S., Bright, E. Lawrence, Sutcliffe, J. E., Darnbrough, J. E., Rawle, J., Nicklin, C., Lander, G. H., Springell, R.
Epitaxial thin films have been utilised to investigate the radiolytic dissolution of uranium dioxide interfaces. Thin films of UO$_2$ deposited on single crystal yttria stabilised zirconia substrates have been exposed to water in the presence of a hi
Externí odkaz:
http://arxiv.org/abs/1804.00201