128 citations · 473 across the 23 of their papers we have counts for
24 papers
Stripe-Like Superconducting Enhancement and Coexisting Magnetic Texture in an Infinite Layer Nickelate
Ryan Laing, Dung Vu, Jacob Pfund +7
Despite their promise as structural and electronic analogs to cuprates, nickelate thin films consistently exhibit broadened superconducting transitions in many experiments that rem…
Tunable Resonator Integrated Magnetometry
Colin Stack, Brian Sears, Aruna Ramanayaka +3
The quantum-technology revolution is reshaping computing, sensing, and communication. In magnetometry, recent advances leverage precise control of spin qubits and color centers in…
Mott insulating negative thermal expansion perovskite TiF3
Donal Sheets, Kaitlin Lyszak, Menka Jain +5
We characterize perovskite TiF_3, a material which displays significant negative thermal expansion at elevated temperatures above its cubic-to-rhombohedral structural phase transit…
Multiferroicity in plastically deformed SrTiO
Xi Wang, Anirban Kundu, Bochao Xu +6
A major challenge in the development of quantum technologies is to induce additional types of ferroic orders into materials that exhibit other useful quantum properties. Various te…
Observation of c-axis Magnetization at Low Temperatures in Weak Ferromagnet FeBO Reveals a Spin-Reorientation Transition
Jacob Franklin, Jacob Pfund, Joshua Bedard +4
The weak ferromagnet FeBO is well known for being a unique system for modelling and testing magnetic dynamics primarily due to relatively simple and localized magnetic structur…
Versatile Millikelvin Hybrid Cooling Platform for Superconductivity Research
Jacob Franklin, Joshua Bedard, Ilya Sochnikov
Closed cycle dilution cryostats became the platform of choice in quantum sciences in the era of helium shortage. However, in many experiments, the mechanical vibrat…
Local imaging of diamagnetism in proximity coupled niobium nano-island arrays on gold thin films
Logan Bishop-Van Horn, Irene P. Zhang, Emily N. Waite +9
In this work we study the effect of engineered disorder on the local magnetic response of proximity coupled superconducting island arrays by comparing scanning Superconducting Quan…
Directional field-dependence of tunable magnetic domains in noncentrosymmetric ferromagnetic Weyl semimetal CeAlSi
Bochao Xu, Jacob Franklin, Hung-Yu Yang +2
Dynamics and textures of magnetic domain walls (DWs) may largely alter the electronic behaviors in a Weyl semimetal system via emergent gauge fields. However, very little is known…
Colossal Magnetoresistance without Mixed Valence in a Layered Phosphide Crystal
Zhi-Cheng Wang, Jared D. Rogers, Xiaohan Yao +8
Materials with strong magnetoresistive responses are the backbone of spintronic technology, magnetic sensors, and hard drives. Among them, manganese oxides with a mixed valence and…
Scanning SQUID characterization of extremely overdoped
Chloe Herrera, Jacob Franklin, Ivan Božović +2
Recently, advances in film synthesis methods have enabled a study of extremely overdoped . This has revealed a surprising behavior of the superfluid density…
Electron pairing in the pseudogap state revealed by shot noise in copper-oxide junctions
Panpan Zhou, Liyang Chen, Yue Liu +7
In the quest to understand high-temperature superconductivity in copper oxides, a vigorous debate has been focused on the pseudogap - a partial gap that opens over portions of the…
Picoscale Magnetoelasticity Governs Heterogeneous Magnetic Domains in a Noncentrosymmetric Ferromagnetic Weyl Semimetal
Bochao Xu, Jacob Franklin, Hung-Yu Yang +2
Magnetic Weyl semimetals are predicted to host emergent electromagnetic fields at heterogeneous strained phases or at the magnetic domain walls. Tunability and control of the topol…
An apparatus for nondestructive and rapid comparison of mask approaches in defense against infected respiratory aerosols
Donal Sheets, Jamie Shaw, Michael Baldwin +5
At the front lines of the world's response to the COVID-19 pandemic are hero-clinicians facing a lack of critical supplies including protective medical grade breathing masks and fi…
A new noncollinear ferromagnetic Weyl semimetal with anisotropic anomalous Hall effect
Hung-Yu Yang, Bahadur Singh, Jonathan Gaudet +18
A developing frontier in condensed matter physics is the emergence of novel electromagnetic responses, such as topological and anomalous Hall effect (AHE), in ferromagnetic Weyl se…
Giant Grüneisen parameter in a strain-tuned superconducting quantum paraelectric: A consequence of the vanishing ferroelectric phonon energy
Jacob Franklin, Bochao Xu, Donovan Davino +3
Superconductivity and ferroelectricity are typically incompatible because the former needs free carriers, but the latter is usually suppressed by free carriers, unless their concen…
A femto-Tesla DC SQUID design for quantum-ready readouts
Ilya Sochnikov, Donovan Davino, Beena Kalisky
Among some of the current uses of the DC Superconducting QUantum Interference Devices (SQUIDs) are qubit-readouts and sensors for probing properties of quantum materials. We presen…
Tunneling spectroscopy of c-axis epitaxial cuprate junctions
Panpan Zhou, Liyang Chen, Ilya Sochnikov +6
Atomically precise epitaxial structures are unique systems for tunneling spectroscopy that minimize extrinsic effects of disorder. We present a systematic tunneling spectroscopy st…
Millikelvin-compatible apparatus for studies of quantum materials under uniaxial stress
Donovan Davino, Jacob Franklin, Ilya Sochnikov
Various new phenomena emerge in quantum materials under elastic deformations, such as hydrostatic or uniaxial stresses. In particular, using uniaxial strain or stress can help to t…
Isolation solution for extreme environmental vibrations for quantum-enabling cryogenic setups installed on raised frames
Jonah Cerbin, Ilya Sochnikov
Cryogenic quantum sensing techniques are developing alongside the ever-increasing requirements for noiseless experimental environments. For instance, several groups have isolated i…
A local maximum in the superconducting transition temperature of Nb-doped strontium titanate under uniaxial compressive stress
Chloe Herrera, Ilya Sochnikov
Superconducting strontium titanate (STO) is in the spotlight as a low carrier concentration semiconductor in proximity to polar order. Its superconducting pairing mechanism poses a…
Precision measurements of the AC field dependence of the superconducting transition in strontium titanate
Chloe Herrera, Ilya Sochnikov
Strontium titanate has resurfaced as a material prompting vigorous debate about the origin of its superconductivity in the extremely low carrier concentration regime. Here, we used…
Real-space imaging and flux noise spectroscopy of magnetic dynamics in HoTiO
Christopher A. Watson, Ilya Sochnikov, John R. Kirtley +2
Holmium titanate (HoTiO) is a rare earth pyrochlore and a canonical example of a classical spin ice material. Despite the success of magnetic monopole models, a full un…
Strain-engineered interaction of quantum polar and superconducting phases
Chloe Herrera, Jonah Cerbin, Kirsty Dunnett +2
Much of the focus of modern condensed matter physics concerns control of quantum phases with examples that include flat band superconductivity in graphene bilayers, the interplay o…
Non-sinusoidal current-phase relationship in Josephson junctions from the 3D topological insulator HgTe
Ilya Sochnikov, Luis Maier, Christopher A. Watson +8
We use Superconducting QUantum Interference Device (SQUID) microscopy to characterize the current-phase relation (CPR) of Josephson Junctions from 3-dimentional topological insulat…