Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Ulrich, Clemens"'
We report the detailed analysis of temperature dependent neutron diffraction pattern of the Cr$_2$CoAl inverse Heusler alloy and unveil the magnetic structure up to the phase transition as well as its fully compensated ferrimagnetic nature. The Rietv
Externí odkaz:
http://arxiv.org/abs/2303.11869
Publikováno v:
Physical Review B, 106, 125148 (2022)
We investigate the electronic and magnetic properties as well as lattice dynamics and spin-phonon coupling of $\beta$-Na$_{0.33}$V$_2$O$_5$ using temperature-dependent Raman scattering, dc-magnetization and dc-resistivity, x-ray photoemission, and ab
Externí odkaz:
http://arxiv.org/abs/2205.06019
Autor:
O'Brien, Joel, Deng, Guochu, Ma, Xiaoxuan, Feng, Zhenjie, Ren, Wei, Cao, Shixun, Yu, Dehong, McIntyre, Garry J, Ulrich, Clemens
Due to the complex interactions between rare-earth elements and transition metals, as well as/or themselves, rare-earth transition-metal oxides are likely to exhibit highly intriguing and novel magnetic structures and dynamic behaviours. Rare-earth e
Externí odkaz:
http://arxiv.org/abs/2109.07667
Autor:
O'Brien, Joel, Deng, Guochu, Yu, Dehong, Ma, Xiaoxuan, Feng, Zhenjie, Ren, Wei, Cao, Shixun, Robinson, Robert A., McIntyre, Garry J., Ulrich, Clemens
Crystal-field excitations, for example in transition-metal oxides where a rare-earth element is used as a spacer between the transition-metal-oxide tetrahedra and octahedra, are assumed to be extremely robust with respect to external perturbations su
Externí odkaz:
http://arxiv.org/abs/2109.04610
Autor:
Nehla, Priyanka, Kareri, Yousef, Gupt, Guru Dutt, Hester, James, Babu, P. D., Ulrich, Clemens, Dhaka, R. S.
Publikováno v:
Phys. Rev. B 100, 144444 (2019)
We report the structural, magnetic, and magnetocaloric properties of Co$_2$Cr$_{1-x}$Ti$_x$Al ($x=$ 0--0.5) Heusler alloys for spintronic and magnetic refrigerator applications. Room temperature X-ray diffraction and neutron diffraction patterns alon
Externí odkaz:
http://arxiv.org/abs/1909.08292
Autor:
Deng, Guochu, Yu, Dehong, Mole, Richard, Pomjakushina, Ekaterina, Conder, Kazimierz, Kenzelmann, Michel, Yano, Shin-ichiro, Wang, Chin-Wei, Rule, Kirrily C., Gardner, Jason S., Luo, Huiqian, Li, Shiliang, Ulrich, Clemens, Imperia, Paolo, Ren, Wei, Cao, Shixun, McIntyrea, Garry J.
The low-energy magnetic excitation from the highly Ca-doped quasi-one-dimensional magnet SrCa13Cu24O41 was studied in the magnetic ordered state by using inelastic neutron scattering. We observed the gapless spin-wave excitation, dispersive along the
Externí odkaz:
http://arxiv.org/abs/1901.02102
Akademický článek
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We report the structural, transport, electronic, and magnetic properties of Co$_2$FeGa Heusler alloy nanoparticles. The Rietveld refinements of x-ray diffraction (XRD) data with the space group Fm$\bar {3}$m clearly demonstrates that the nanoparticle
Externí odkaz:
http://arxiv.org/abs/1810.07660
Autor:
Deng, Guochu, Cao, Yiming, Ren, Wei, Cao, Shixun, Studer, Andrew J., Gauthier, Nicolas, Kenzelmann, Michel, Davidson, Gene, Rule, Kirrily C., Gardner, Jason S., Imperia, Paolo, Ulrich, Clemens, McIntyre, Garry J.
Publikováno v:
Phys. Rev. B 97, 085154 (2018)
Neutron powder diffraction experiments reveal that Co4Nb2O9 forms a noncollinear in-plane magnetic structure with Co2+ moments lying in the ab plane. The spin-wave excitations of this magnet were measured by using inelastic neutron scattering and sou
Externí odkaz:
http://arxiv.org/abs/1705.04017
Publikováno v:
Journal of Applied Physics; 9/21/2023, Vol. 134 Issue 11, p1-8, 8p
