Negative spin Hall magnetoresistance of Pt on the bulk easy-plane antiferromagnet NiO

We report on spin Hall magnetoresistance (SMR) measurements of Pt Hall bars on antiferromagnetic NiO(111) single crystals. An SMR with a sign opposite to conventional SMR is observed over a wide range of temperatures as well as magnetic fields stronger than 0.25 T. The negative sign of the SMR can b...

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Veröffentlicht in:	Applied physics letters 2017-07, Vol.111 (5)
Hauptverfasser:	Hoogeboom, Geert R., Aqeel, Aisha, Kuschel, Timo, Palstra, Thomas T. M., van Wees, Bart J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alignment Antiferromagnetism Applied physics Argon plasma Domains Ferrimagnetism Ferrimagnets Ferromagnetism Magnetic fields Magnetic moments Magnetism Magnetoresistance Magnetoresistivity Nickel oxides Resistance Signal strength Single crystals Variation Yttrium Yttrium-iron garnet
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