GdN/SmN superlattices; influence of a Zeeman/exchange conflict | Zendy

E.-M. Anton | Zendy; W. F. Holmes-Hewett | Zendy; J. F. McNulty | Zendy; F. Natali | Zendy; F. Bramley | Zendy; Yongseong Choi | Zendy; D. Haskel | Zendy; B. J. Ruck | Zendy; Joe Trodahl | Zendy

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GdN/SmN superlattices; influence of a Zeeman/exchange conflict

Author(s) -

E.-M. Anton,

W. F. Holmes-Hewett,

J. F. McNulty,

F. Natali,

F. Bramley,

Yongseong Choi,

D. Haskel,

B. J. Ruck,

Joe Trodahl

Publication year - 2021

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/9.0000099

Subject(s) - condensed matter physics , zeeman effect , magnetic circular dichroism , superlattice , ferromagnetism , magnetoresistance , heterojunction , magnetization , materials science , magnetic semiconductor , electrical resistivity and conductivity , magnetic field , physics , spectral line , quantum mechanics , astronomy

GdN and SmN are two of the lanthanide nitrides, most of which are intrinsic ferromagnetic semiconductors. Superlattices comprising the pair offer a unique opportunity to investigate heterojunctions that feature simultaneous conductivity and magnetic interface influences. Here we report an investigation of these influences, using magnetisation and X-ray magnetic circular dichroism for magnetic effects, and magnetoresistance and Hall effect studies of their electrical conductance. Magnetic data show clear signatures of a conflicting Zeeman vs. interfacial exchange and the magnetic disruption that results, while resistivity and Hall measurements show conduction in both GdN and SmN.

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