M. B. Venuti

Structural properties and recrystallization effects in ion beam modified B20-type FeGe films

Jiangteng Liu, Ryan M. Schoell, Xiyue S. Zhang, Hongbin Yang et autres

Disordered iron germanium (FeGe) has recently garnered interest as a testbed for a variety of magnetic phenomena as well as for use in magnetic memory and logic applications. This is partially owing to its ability to host skyrmions and antiskyrmions—nanoscale whirlpools of …

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Structural Properties and Recrystallization Effects in Ion Beam Modified B20-type FeGe Films

Jiangteng Liu, Ryan M. Schoell, Xiyue S. Zhang, Hongbin Yang et autres

Disordered iron germanium (FeGe) has recently garnered interest as a testbed for a variety of magnetic phenomena as well as for use in magnetic memory and logic applications. This is partially owing to its ability to host skyrmions and antiskyrmions -- nanoscale …

Inducing a tunable skyrmion-antiskyrmion system through ion beam modification of FeGe films

M. B. Venuti, Xiyue S. Zhang, Eric J. Lang, Sadhvikas Addamane et autres

Abstract Skyrmions and antiskyrmions are nanoscale swirling textures of magnetic moments formed by chiral interactions between atomic spins in magnetic noncentrosymmetric materials and multilayer films with broken inversion symmetry. These quasiparticles are of interest for use as information carriers in next-generation, low-energy …

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Inducing a Tunable Skyrmion-Antiskyrmion System through Ion Beam Modification of FeGe Films

M. B. Venuti, Xiyue S. Zhang, Eric J. Lang, Sadhvikas Addamane et autres

Skyrmions and antiskyrmions are nanoscale swirling textures of magnetic moments formed by chiral interactions between atomic spins in magnetic non-centrosymmetric materials and multilayer films with broken inversion symmetry. These quasiparticles are of interest for use as information carriers in next-generation, low-energy spintronic …

Observation of anti-damping spin–orbit torques generated by in-plane and out-of-plane spin polarizations in MnPd3

Mahendra DC, Ding‐Fu Shao, Vincent Hou, Artūras Vailionis et autres

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Plastic vortex creep and dimensional crossovers in the highly anisotropic superconductor HgBa2CuO4+x

Haley M. Cole, M. B. Venuti, Brian P. Gorman, Eric D. Bauer et autres

In type-II superconductors exposed to magnetic fields between upper and lower critical values, ${H}_{c1}$ and ${H}_{c2}$, penetrating magnetic flux forms a lattice of vortices whose motion can induce dissipation. Consequently, the magnetization $M$ of superconductors is typically progressively weakened with increasing magnetic …

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Spectroscopic Investigation of Shallow Hole Traps in Ga- and B-doped Czochralski Silicon: Insight into Light-Induced Degradation

Abigail R. Meyer, Tarek O. Abdul Fattah, P. C. Taylor, M. B. Venuti et autres

The minority carrier lifetime in B-doped Czochralski (Cz) Si declines upon carrier injection due to light-induced degradation (LID), which is attributed to the formation of a recombination-active boron–oxygen complex. Ga-doped Cz Si does not undergo LID. Previously, we showed that B-doped Cz …

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High kinetic inductance NbTiN superconducting transmission line resonators in the very thin film limit

Terence Bretz-Sullivan, Rupert Lewis, Ana L. Lima-Sharma, David Lidsky et autres

We examine the DC and radio frequency (RF) response of superconducting transmission line resonators comprised of very thin NbTiN films, <12 nm in thickness, in the high-temperature limit, where the photon energy is less than the thermal energy. The resonant frequencies of …

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Plastic vortex creep and dimensional crossovers in the highly anisotropic superconductor HgBa$_2$CuO$_{4+x}$

Haley M. Cole, M. B. Venuti, Brian P. Gorman, Eric D. Bauer et autres

In type-II superconductors exposed to magnetic fields between upper and lower critical values, $H_{c1}$ and $H_{c2}$, penetrating magnetic flux forms a lattice of vortices whose motion can induce dissipation. Consequently, the magnetization $M$ of superconductors is typically progressively weakened with increasing magnetic …

Atomic structure of light-induced efficiency-degrading defects in boron-doped Czochralski silicon solar cells

Abigail R. Meyer, P. C. Taylor, M. B. Venuti, Serena Eley et autres

Using electron paramagnetic resonance, we show that under light exposure, nearly all the 10 16 boron doping sites in Si degrade to form shallow traps. Of these 10 16 traps, only 10 12 –10 13 cm −3 are spin-active and responsible for …

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Development of NbTiN films for superconducting microwave resonators.

Tzu‐Ming Lu, Rupert Lewis, Peter Anand Sharma, Charles Thomas Harris et autres

Abstract not provided.