548 citations · 1.6k across the 32 of their papers we have counts for
35 papers
Chiral, Electronically Decoupled Layers of 1T'-WS2 Topological Insulator via Neutral-Molecule Intercalation
Jiaze Xie, Fatmagül Katmer, Fang Yuan +9
Monolayer 1T'-WS2 is predicted to be a two-dimensional topological insulator, but its intrinsic electronic properties are masked by strong interlayer coupling in its metallic and s…
Mechanochemical Nano-Writing of an Atomically Thin Metal
Shuai Zhang, Yanyu Jia, Atanu Samanta +14
Mechanical energy accelerates many physicochemical processes, including materials syntheses that are hard to produce with thermal energy alone. However, physical understanding conn…
Quantifying surface losses in superconducting aluminum microwave resonators
Elizabeth Hedrick, Faranak Bahrami, Alexander C. Pakpour-Tabrizi +11
The recent realization of millisecond-scale coherence with tantalum-on-silicon transmon qubits showed that depositing the Al/AlOx/Al Josephson junction in a high purity, ultrahigh…
Beta Tantalum Transmon Qubits with Quality Factors Approaching 10 Million
Atharv Joshi, Apoorv Jindal, Paal H. Prestegaard +9
Tantalum-based transmon qubits are a promising platform for building large-scale quantum processors. So far, these qubits have been made from tantalum films grown exclusively in th…
Superconducting Gap Engineering in Tantalum-Alloy-Based Resonators
Chen Yang, Faranak Bahrami, Guangming Cheng +7
Utilizing tantalum (Ta) in superconducting circuits has led to significant improvements, such as high qubit lifetimes and quality factors in both qubits and resonators, underscorin…
Suppression of Intertwined Density Waves in LaNiCuO
Stephen Zhang, Danrui Ni, Ruyi Ke +3
Superconductivity in LaNiO has been reported to emerge upon suppression of intertwined spin and charge density wave (SDW/CDW) order, suggesting a possible connec…
2D transmons with lifetimes and coherence times exceeding 1 millisecond
Matthew P. Bland, Faranak Bahrami, Jeronimo G. C. Martinez +14
Materials improvements are a powerful approach to reducing loss and decoherence in superconducting qubits because such improvements can be readily translated to large scale process…
Vortex Motion Induced Losses in Tantalum Resonators
Faranak Bahrami, Matthew P. Bland, Nana Shumiya +17
Tantalum (Ta) based superconducting circuits have been demonstrated to enable record qubit coherence times and quality factors, motivating a careful study of the microscopic origin…
Anomalous Superconductivity in Twisted MoTe2 Nanojunctions
Yanyu Jia, Tiancheng Song, Zhaoyi Joy Zheng +14
Introducing superconductivity in topological materials can lead to innovative electronic phases and device functionalities. Here, we present a new strategy for quantum engineering…
Directionally Locked Heteroepitaxy with a Structurally Modulated van der Waals Material
Nitish Mathur, Guangming Cheng, Francesc Ballester +17
Precise orientation of symmetry-mismatched epilayers on van der Waals (vdW) substrates via heteroepitaxy has commonly been achieved through surface treatment processes to accommoda…
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.…
Discovery of a Topological Charge Density Wave
Maksim Litskevich, Md Shafayat Hossain, Songbo Zhang +21
Charge density waves (CDWs) appear in numerous condensed matter platforms, ranging from high-Tc superconductors to quantum Hall systems. Despite such ubiquity, there has been a lac…
Discovery of a topological exciton insulator with tunable momentum order
Md Shafayat Hossain, Tyler A. Cochran, Yu-Xiao Jiang +27
Correlated topological materials often maintain a delicate balance among physical symmetries: many topological orders are symmetry protected, while most correlated phenomena arise…
Transport response of topological hinge modes in -BiBr
Md Shafayat Hossain, Qi Zhang, Zhiwei Wang +19
Electronic topological phases are renowned for their unique properties, where conducting surface states exist on the boundary of an insulating three-dimensional bulk. While the tra…
Investigation of W-SiC compositionally graded films as a divertor material
Zihan Lin, Carlos Monton, Stefan Bringuier +13
W-SiC composite material is a promising plasma-facing material candidate alternative to pure W due to the low neutron activation, low impurity radiation, and low tritium diffusivit…
Surface-Confined Two-Dimensional Crystal Growth on a Monolayer
Yanyu Jia, Fang Yuan, Guangming Cheng +12
Conventional vapor deposition or epitaxial growth of two-dimensional (2D) materials and heterostructures is conducted in a large chamber in which masses transport from the source t…
Observation of Kondo lattice and Kondo-enhanced anomalous Hall effect in an itinerant ferromagnet
Zi-Jia Cheng, Yuqing Huang, Pengyu Zheng +20
The interplay between Kondo screening and magnetic interactions is central to comprehending the intricate phases in heavy-fermion compounds. However, the role of the itinerant magn…
Spin disorder in a stacking polytype of a layered magnet
Xianghan Xu, Guangming Cheng, Danrui Ni +4
Strongly correlated ground states and exotic quasiparticle excitations in low-dimensional systems are central research topics in the solid state research community. The present wor…
Anomalously high supercurrent density in a two-dimensional topological material
Qi Zhang, Md Shafayat Hossain, Brian Casas +24
Ongoing advances in superconductors continue to revolutionize technology thanks to the increasingly versatile and robust availability of lossless supercurrent. In particular high s…
Coexistence of bulk-nodal and surface-nodeless Cooper pairings in a superconducting Dirac semimetal
Xian P. Yang, Yigui Zhong, Sougata Mardanya +21
The interplay of nontrivial topology and superconductivity in condensed matter physics gives rise to exotic phenomena. However, materials are extremely rare where it is possible to…
Atomically Sharp Internal Interface in a Chiral Weyl Semimetal Nanowire
Nitish Mathur, Fang Yuan, Guangming Cheng +7
Internal interfaces in Weyl semimetals (WSMs) are predicted to host distinct topological features that are different from the commonly studied external interfaces (crystal-to-vacuu…
Anisotropic resistance with a 90-degree twist in a ferromagnetic Weyl semimetal, Co2MnGa
Nicholas P. Quirk, Guangming Cheng, Kaustuv Manna +3
CoMnGa is a ferromagnetic semimetal with Weyl nodal lines identified by ARPES. We studied electrical transport in thin CoMnGa lamellae (10 10 0.4-5 micron…
Synthesis of an aqueous, air-stable, superconducting 1T'-WS monolayer-ink
Xiaoyu Song, Ratnadwip Singha, Guangming Cheng +7
Liquid-phase chemical exfoliation is ideal to achieve industry scale production of two-dimensional (2D) materials for a wide range of application such as printable electronics, cat…
Magnetization-direction-tunable kagome Weyl line
Zi-Jia Cheng, Ilya Belopolski, Tyler A. Cochran +21
Kagome magnets provide a fascinating platform for a plethora of topological quantum phenomena. Here, utilizing angle-resolved photoemission spectroscopy, we demonstrate Weyl lines…