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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
Autor:
Eloirdi, R., Giacobbe, C., Celdran, P. Amador, Magnani, N., Lander, G. H., Griveau, J. -C., Colineau, E., Miyake, K., Caciuffo, R.
Publikováno v:
Physical Review B 95, 094517 (2017)
We have performed high-resolution powder x-ray diffraction measurements on a sample of $^{242}$PuCoGa$_{5}$, the heavy-fermion superconductor with the highest critical temperature $T_{c}$ = 18.7 K. The results show that the tetragonal symmetry of its
Externí odkaz:
http://arxiv.org/abs/1703.08984
Autor:
Winiarski, M. J., Griveau, J. -C., Colineau, E., Wochowski, K., Wiśniewski, P., Kaczorowski, D., Caciuffo, R., Klimczuk, T.
Publikováno v:
Journal of Alloys and Compounds 696 (2017) 1113-1119
Polycrystalline samples of A$_x$V$_2$Al$_{20}$ (A = Ce, Th, U, Np, Pu; 0.7 =< x =< 1.0) actinide intermetallics were synthesized using the arc-melting method. Crystal structure studies were performed by means of powder x-ray diffraction and the Rietv
Externí odkaz:
http://arxiv.org/abs/1612.03609
Autor:
Colineau, E., Boulet, P., Griveau, J. -C., Eloirdi, R., Rebizant, J., Wastin, F., Shick, A. B., Caciuffo, R.
The substitution of gallium by aluminum, germanium, tin and indium in PuCoGa5, the actinide-based superconductor with the highest critical temperature, has been investigated. Only systems with 20% substitution by Al and Ge (i.e. PuCoGa4Al and PuCoGa4
Externí odkaz:
http://arxiv.org/abs/1602.01354
Autor:
Smith, A.L. *, Rutten, M., Herrmann, L., Epifano, E., Konings, R.J.M., Colineau, E., Griveau, J.-C., Guéneau, C., Dupin, N.
Publikováno v:
In Journal of the European Ceramic Society June 2021 41(6):3664-3686
Autor:
Walker, H. C., McEwen, K. A., Griveau, J. -C., Eloirdi, R., Amador, P., Maldonado, P., Oppeneer, P. M., Colineau, E.
We present bulk property measurements of NpIr, a newly synthesized member of the Np-Ir binary phase diagram, which is isostructural to the non-centrosymmetric pressure-induced ferromagnetic superconductor UIr. Magnetic susceptibility, electronic tran
Externí odkaz:
http://arxiv.org/abs/1505.01292
Autor:
Magnani, N., Caciuffo, R., Wilhelm, F., Colineau, E., Eloirdi, R., Griveau, J. -C., Rusz, J., Oppeneer, P. M., Rogalev, A., Lander, G. H.
Publikováno v:
PRL 114, 097203 (2015)
Trivalent americium has a non-magnetic ($J$ = 0) ground state arising from the cancelation of the orbital and spin moments. However, magnetism can be induced by a large molecular field if Am$^{3+}$ is embedded in a ferromagnetic matrix. Using the tec
Externí odkaz:
http://arxiv.org/abs/1502.05604
Autor:
Ocádiz-Flores, J.A., Carré, E., Griveau, J.-C., Colineau, E., Capelli, E., Souček, P., Beneš, O., Konings, R.J.M., Smith, A.L.
Publikováno v:
In The Journal of Chemical Thermodynamics June 2020 145