Zobrazeno 1 - 10
of 928
pro vyhledávání: '"Caciuffo R"'
In this study, we probe the coupling between magnetism and lattice dynamics in UO2, a 3k antiferromagnet that undergoes magnetic ordering below its Neel temperature (TN) of 30.8 K. Ultrasound measurements provide insights into the interplay between t
Externí odkaz:
http://arxiv.org/abs/2409.20228
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
Autor:
Tereshina-Chitrova, E. A., Pourovskii, L. V., Khmelevskyi, S., Horak, L., Bao, Z., Mackova, A., Malinsky, P., Gouder, T., Caciuffo, R.
Frustrated antiferromagnets offer a captivating platform to study the intricate relationship of magnetic interactions, geometric constraints, and emergent phenomena. By controlling spin orientations, these materials can be tailored for applications i
Externí odkaz:
http://arxiv.org/abs/2310.15696
Publikováno v:
EPJ Web of Conferences, Vol 246, p 00011 (2020)
In this paper, we provide a concise description of the six nuclear reactor concepts that are under development in the framework of the Generation-IV International Forum. After a brief introduction on the world energy needs, its plausible evolution du
Externí odkaz:
https://doaj.org/article/0eecff4adf3746e692d3fc8138971f42
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
Akademický článek
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Autor:
Shrestha, K., Antonio, D., Griveau, J-C., Prokeš, K., Gaczyński, P., Colineau, E., Caciuffo, R., Gofryk, K.
Publikováno v:
Phys. Rev. Materials 2, 074401 (2018)
We have studied NpPdSn by means of the heat capacity, electrical resistivity, Seebeck and Hall effect, $^{237}$Np M\"{o}ssbauer spectroscopy, and neutron diffraction measurements in the temperature range 2-300 K and under magnetic fields up to 14 T.
Externí odkaz:
http://arxiv.org/abs/1806.02879
Autor:
Magnani, N., Eloirdi, R., Wilhelm, F., Colineau, E., Griveau, J. -C., Shick, A. B., Lander, G. H., Rogalev, A., Caciuffo, R.
Publikováno v:
Phys. Rev. Lett. 119, 157204 (2017)
We have measured X-ray magnetic circular dichroism (XMCD) spectra at the Pu $M_{4,5}$ absorption edges from a newly-prepared high-quality single crystal of the heavy fermion superconductor $^{242}$PuCoGa$_{5}$, exhibiting a critical temperature $T_{c
Externí odkaz:
http://arxiv.org/abs/1709.04810
Publikováno v:
Phys. Rev. B 95, 245103 (2017)
We present resonant x-ray emission spectroscopic (RXES) data from the uranium intermetallics UPd$_3$, USb, USn$_3$ and URu$_2$Si$_2$, at the U $M_{4,5}$ edges and compare the data to those from the well-localized $5f^2$ semiconductor UO$_2$. The tech
Externí odkaz:
http://arxiv.org/abs/1706.02920