582 citations · 2.1k across the 35 of their papers we have counts for
35 papers
Magnetization dynamics driven by displacement currents across a magnetic tunnel junction
C. K. Safeer, Paul S. Keatley, Witold Skowroński +11
Understanding the high-frequency transport characteristics of magnetic tunnel junctions (MTJs) is crucial for the development of fast-operating spintronics memories and radio frequ…
Interfacial Fe segregation and its influence on magnetic properties of CoFeB/MgFeO multilayers
Tomohiro Ichinose, Tatsuya Yamamoto, Takayuki Nozaki +3
We investigated the effect of Fe segregated from partially Fe-substituted MgO (MgFeO) on the magnetic properties of CoFeB/MgFeO multilayers. X-ray photoelectron spectroscopy (XPS)…
Microwave characterization of tantalum superconducting resonators on silicon substrate with niobium buffer layer
Yoshiro Urade, Kay Yakushiji, Manabu Tsujimoto +4
Tantalum thin films sputtered on unheated silicon substrates are characterized with microwaves at around 10 GHz in a 10 mK environment. We show that the phase of tantalum with a bo…
Cryogenic temperature deposition of high-performance CoFeB/MgO/CoFeB magnetic tunnel junctions on 300 mm wafers
Tomohiro Ichinose, Tatsuya Yamamoto, Takayuki Nozaki +4
We developed a cryogenic temperature deposition process for high-performance CoFeB/MgO/CoFeB magnetic tunnel junctions (MTJs) on 300 mm thermally oxidized silicon wafers. The effec…
Spin-torque Dynamics for Noise Reduction in Vortex-based Sensors
Mafalda Jotta Garcia, Julien Moulin, Steffen Wittrock +12
Performance of magnetoresistive sensors is today mainly limited by their 1/f low-frequency noise. Here, we study this noise component in vortex-based TMR sensors. We compare the no…
Electrical Manipulation of a Topological Antiferromagnetic State
Hanshen Tsai, Tomoya Higo, Kouta Kondou +9
Electrical manipulation of emergent phenomena due to nontrivial band topology is a key to realize next-generation technology using topological protection. A Weyl semimetal is a thr…