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Journal Articles

Magnetization, specific heat, $$^{17}$$O NMR, and $$^{237}$$Np M$"o$ssbauer study of U$$_{0.15}$$Np$$_{0.85}$$O$$_2$$

Martel, L.*; Hen, A.*; Tokunaga, Yo; Kinnart, F.*; Magnani, N.*; Colineau, E.*; Griveau, J.-C.*; Caciuffo, R.*

Physical Review B, 98(1), p.014410_1 - 014410_8, 2018/07

https://doi.org/10.1103/PhysRevB.98.014410
 Times Cited Count：6 Percentile：27.38(Materials Science, Multidisciplinary)

We report a study of the magnetic and electronic properties of the U$$_{0.15}$$Np$$_{0.85}$$O$$_2$$ solid solution, based on dc- and ac- magnetisation, $$^{237}$$Np M$"o$ssbauer spectroscopy, $$^{17}$$O Nuclear Magnetic Resonance (NMR), and specific heat measurements. The compound orders antiferromagnetically at T$$_N$$ = 17 K. The different techniques reveal the complexity of this system with:(1) a spatial distribution of ordered moments, (2) a small Np ordered moment, and (3) an additional specific heat anomaly at 7.4 K, with a residual value at very low temperature and a reduced magnetic entropy. The results are compared to the end-members of the series, UO$$_2$$ and NpO$$_2$$, as well as to the other solid solutions previously reported in this system. We discuss how the properties of U$$_{0.15}$$Np$$_{0.85}$$O$$_2$$ add new input to the trend previously reported for the series, in view of the models that have been previously proposed.

Journal Articles

Magnetic structure and metamagnetism in single crystals of NpCoGa$$_{5}$$

Metoki, Naoto; Kaneko, Koji; Colineau, E.*; Javorsk$'y$, P.*; Aoki, Dai*; Homma, Yoshiya*; Boulet, P.*; Wastin, F.*; Shiokawa, Yoshinobu; Bernhoeft, N.*; et al.

Physical Review B, 72(1), p.014460_1 - 014460_8, 2005/07

https://doi.org/10.1103/PhysRevB.72.014460
 Times Cited Count：50 Percentile：83.11(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Magnetic structure of NpTGa$$_{5}$$(T: Fe, Co, Ni)

Honda, Fuminori; Metoki, Naoto; Kaneko, Koji; Aoki, Dai*; Homma, Yoshiya*; Yamamoto, Etsuji; Shiokawa, Yoshinobu; Onuki, Yoshichika; Colineau, E.*; Bernhoeft, N.*; et al.

Physica B; Condensed Matter, 359-361, p.1147 - 1149, 2005/06

https://doi.org/10.1016/j.physb.2005.01.304
 Times Cited Count：26 Percentile：68.44(Physics, Condensed Matter)

We have succeeded in growing single crystalline samples of NpTGa$$_{5}$$ (T: Fe, Co, Ni). Magnetic structures of these compounds have been studied by neutron diffraction experiment. We summarize the results of the unusual variety of magnetic structure occurred in NpTGa$$_{5}$$ and discuss in terms of electronic structural point of view.

Oral presentation

Resonant X-ray scattering in NpTGa$$_5$$ (T=Co and Rh); Experiment and theory

Janousova, B.*; Di Matteo, S.*; Wilkins, S. B.*; Caciuffo, R.*; Paix$~a$o, J. A.*; Honda, Fuminori; Metoki, Naoto; Colineau, E.*; Lander, G. H.

no journal, , 

no abstracts in English

Oral presentation

Towards f-electron single-molecule magnets; Physical properties of a Tm-based "double decker" complex

Magnani, N.*; Caciuffo, R.*; Colineau, E.*; Wastin, F.*; Amoretti, G.*; Carretta, S.*; Santini, P.*; Baraldi, A.*; Capelletti, R.*; Adroja, D. T.*; et al.

no journal, , 

no abstracts in English

5 (Records 1-5 displayed on this page)
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