111 citations · 525 across the 34 of their papers we have counts for
35 papers
Transforming Native Oxide into a Metallic Platinum--Niobium Alloy for Passivation of Superconducting Niobium Films
Ananya Chattaraj, Conan Weiland, Bruce Ravel +10
Dielectric losses at surfaces and interfaces remains a primary limitation to coherence in superconducting transmon qubits. Niobium (Nb), a widely used material in superconducting q…
Temperature-Dependent Dielectric Function of Tantalum Nitride Formed by Atomic Layer Deposition for Tunnel Barriers in Josephson Junctions
Ekta Bhatia, Aaron Lopez Gonzalez, Yoshitha Hettige +9
We report the dielectric functions of insulating tantalum nitride (TaN) films, deposited using atomic layer deposition (ALD) on 300 mm Si/SiO2 substrates, to demonstrate their suit…
Polymer-Iron Oxide Hybrid Films for Controlling Electrokinetic Properties
Austin Dick, Xiao Tong, Kim Kisslinger +2
Electrokinetic phenomena at polymer-water interfaces are central to technologies for water purification, ion separations, and energy conversion, yet the ability to systematically c…
Observing Differential Spin Currents by Resonant Inelastic X-ray Scattering
Yanhong Gu, Joseph Barker, Jiemin Li +12
Controlling spin currents, i.e., the flow of spin angular momentum, in small magnetic devices is the principal objective of spin electronics, a main contender for future energy eff…
Hydrazine-Free Precursor for Solution-Processed All-Inorganic Se and Se1-xTex Photovoltaics
Adam D. Alfieri, Swarnendu Das, Kim Kisslinger +5
Selenium (Se) has reemerged as a promising absorber material for indoor and tandem photovoltaics (PVs), and its alloys with Te (Se1-xTex) offer a widely tunable bandgap. Solution p…
Single crystalline orthorhombic GdAlGe as a rare earth magnetic Dirac nodal-line metal
Antu Laha, Juntao Yao, Asish K. Kundu +11
Crystal engineering is a method for discovering new quantum materials and phases, which may be achieved by external pressure or strain. Chemical pressure is unique in that it gener…
Nucleation and Antiphase Twin Control in BiSe via Step-Terminated AlO Substrates
Alessandro R. Mazza, Jia Shi, Gabriel A. Vázquez-Lizardi +18
The epitaxial synthesis of high-quality 2D layered materials is an essential driver of both fundamental physics studies and technological applications. BiSe, a prototypical…
Evidence of electronic states driving current-induced insulator-to-metal transition
V. K. Bhartiya, R. Hartmann, F. Forte +16
On demand current-driven insulator-to-metal transition (IMT) is pivotal for the next generation of energy-efficient and scalable microelectronics. IMT is a key phenomenon observed…
Single-layer magnet phase in intrinsic magnetic topological insulators, , far beyond the thermodynamic limit
Deepti Jain, Hee Taek Yi, Xiong Yao +6
The intrinsic magnetic topological insulator (IMTI) family has demonstrated magneto-topological properties dependent…
Universal Superconductivity in FeTe and All-Iron-Based Ferromagnetic Superconductor Heterostructures
Hee Taek Yi, Xiong Yao, Deepti Jain +10
Ferromagnetism (FM) and superconductivity (SC) are two of the most famous macroscopic quantum phenomena. However, nature normally does not allow SC and FM to coexist without signif…
Revealing the Origin and Nature of the Buried Metal-Substrate Interface Layer in Ta/Sapphire Superconducting Films
Aswin kumar Anbalagan, Rebecca Cummings, Chenyu Zhou +14
Despite constituting a smaller fraction of the qubits electromagnetic mode, surfaces and interfaces can exert significant influence as sources of high-loss tangents, which brings f…
Eliminating Surface Oxides of Superconducting Circuits with Noble Metal Encapsulation
Ray D. Chang, Nana Shumiya, Russell A. McLellan +15
The lifetime of superconducting qubits is limited by dielectric loss, and a major source of dielectric loss is the native oxide present at the surface of the superconducting metal.…
Evolution of the Fermi surface of 1T-VSe across a structural phase transition
Turgut Yilmaz, Xiao Tong, Jerzy T. Sadowski +4
The electronic origin of the structural transition in 1T-VSe is re-evaluated through an extensive angle-resolved photoemission spectroscopy experiment. The components of the ba…
Atomic-Layer-Controlled Magnetic Orders in MnBi2Te4-Bi2Te3 Topological Heterostructures
Xiong Yao, Qirui Cui, Zengle Huang +8
The natural van der Waals superlattice MnBi2Te4-(Bi2Te3)m provides an optimal platform to combine topology and magnetism in one system with minimal structural disorder. Here, we sh…
Buffer-layer-controlled Nickeline vs Zinc-Blende/Wurtzite-type MnTe growths on c-plane Al2O3 substrates
Deepti Jain, Hee Taek Yi, Alessandro R. Mazza +4
In the recent past, MnTe has proven to be a crucial component of the intrinsic magnetic topological insulator (IMTI) family [MnTe]m[Bi2Te3]n, which hosts a wide range of magneto-to…
Ultrathin Magnesium-based Coating as an Efficient Oxygen Barrier for Superconducting Circuit Materials
Chenyu Zhou, Junsik Mun, Juntao Yao +15
Scaling up superconducting quantum circuits based on transmon qubits necessitates substantial enhancements in qubit coherence time. Among the materials considered for transmon qubi…
Anisotropy of Antiferromagnetic Domains in a Spin-orbit Mott Insulator
Longlong Wu, Wei Wang, Tadesse A. Assefa +9
The temperature-dependent behavior of magnetic domains plays an essential role in the magnetic properties of materials, leading to widespread applications. However, experimental me…
Surpassing millisecond coherence times in on-chip superconducting quantum memories by optimizing materials, processes, and circuit design
Suhas Ganjam, Yanhao Wang, Yao Lu +10
The performance of superconducting quantum circuits for quantum computing has advanced tremendously in recent decades; however, a comprehensive understanding of relaxation mechanis…
Microwave loss characterization using multi-mode superconducting resonators
Chan U Lei, Suhas Ganjam, Lev Krayzman +5
Measuring the losses arising from different materials and interfaces is crucial to improving the coherence of superconducting quantum circuits. Although this has been of interest f…
Wafer-scale growth of two-dimensional, phase-pure InSe
Seunguk Song, Sungho Jeon, Mahfujur Rahaman +12
Two-dimensional (2D) indium monoselenide (InSe) has attracted significant attention as a III-VI two-dimensional semiconductor (2D) with a combination of favorable attributes from I…
Chemical profiles of the oxides on tantalum in state of the art superconducting circuits
Russell A. McLellan, Aveek Dutta, Chenyu Zhou +23
Over the past decades, superconducting qubits have emerged as one of the leading hardware platforms for realizing a quantum processor. Consequently, researchers have made significa…
The study of contact properties in edge-contacted graphene-aluminum Josephson junctions
Zhujun Huang, Neda Lotfizadeh, Bassel H. Elfeky +8
Transparent contact interfaces in superconductor-graphene hybrid systems are critical for realizing superconducting quantum applications. Here, we examine the effect of the edge-co…
Reconfigurable Compute-In-Memory on Field-Programmable Ferroelectric Diodes
Xiwen Liu, John Ting, Yunfei He +11
The deluge of sensors and data generating devices has driven a paradigm shift in modern computing from arithmetic-logic centric to data-centric processing. Data-centric processing…
Charge Condensation and Lattice Coupling Drives Stripe Formation in Nickelates
Y. Shen, G. Fabbris, H. Miao +15
Revealing the predominant driving force behind symmetry breaking in correlated materials is sometimes a formidable task due to the intertwined nature of different degrees of freedo…