検索対象:     
報告書番号:
※ 半角英数字
 年 ~ 
 年

New neutron scattering results on the spin dynamics in UNi$$_2$$Al$$_3$$ and UPd$$_2$$Al$$_3$$

中性子散乱によるUNi$$_2$$Al$$_3$$ and UPd$$_2$$Al$$_3$$のスピンダイナミクス研究における新しい知見

Scheneidewind, A.*; Hiess, A.*; Stockert, O.*; 阿曽 尚文*; 佐藤 憲昭*; Raymond, S.*; 金子 耕士   ; Blackburn, E.*; Steffens, P.*; Lander, G. H.*

Scheneidewind, A.*; Hiess, A.*; Stockert, O.*; Aso, Naofumi*; Sato, Noriaki*; Raymond, S.*; Kaneko, Koji; Blackburn, E.*; Steffens, P.*; Lander, G. H.*

Inelastic neutron scattering (INS) has been of particular importance in studying the interrelation of magnetism and superconductivity by determining the momentum- and energy-dependent microscopic spin dynamics in both the normal and superconducting state. In this context, we recently revisited the spin dynamics in the iso-structural magnetic superconductors UPd$$_2$$Al$$_3$$ ($$T_c$$ = 2K) and UNi$$_2$$Al$$_3$$ ($$T_c$$ = 1K). The magnetic order in UPd$$_2$$Al$$_3$$ is commensurate with $$Q_0$$ = (0, 0, 0.5), but incommensurate in UNi$$_2$$Al$$_3$$ with $$Q^*$$ = (0.39, 0, 0.5). We here present new INS results on the normal state spin dynamics of UNi$$_2$$Al$$_3$$ in high resolution TAS mode as well as with the FlatCone set-up, and the influence of magnetic field on the spin dynamics in the superconducting state in UPd$$_2$$Al$$_3$$ with a half-polarized setup.

Access

:

- Accesses

InCites™

:

Altmetrics

:

[CLARIVATE ANALYTICS], [WEB OF SCIENCE], [HIGHLY CITED PAPER & CUP LOGO] and [HOT PAPER & FIRE LOGO] are trademarks of Clarivate Analytics, and/or its affiliated company or companies, and used herein by permission and/or license.