Ion-Assisted Nanoscale Material Engineering in Atomic Layers

Kavli Affiliate: Xiang Zhang | First 5 Authors: Hossein Taghinejad, Mohammad Taghinejad, Sajjad Abdollahramezani, Qitong Li, Eric V. Woods | Summary: Achieving deterministic control over the properties of low-dimensional materials with nanoscale precision is a long-sought goal. Mastering this capability has a transformative impact on the design of multifunctional electrical and optical devices. Here, we […]


Continue.. Ion-Assisted Nanoscale Material Engineering in Atomic Layers

Direction Modulation Design for UAV Assisted by IRS with discrete phase shift

Kavli Affiliate: Wei Gao | First 5 Authors: Maolin Li, Wei Gao, Qi Wu, Feng Shu, Cunhua Pan | Summary: As a physical layer security technology, directional modulation (DM) can be combined with intelligent reflect-ing surface (IRS) to improve the security of drone communications. In this paper, a directional modulation scheme assisted by the IRS […]


Continue.. Direction Modulation Design for UAV Assisted by IRS with discrete phase shift

3D printed mesoporous superconductors with periodic order on three length scales and enhanced properties via block copolymer directed self-assembly

Kavli Affiliate: Ulrich B. Wiesner | First 5 Authors: Fei Yu, R. Paxton Thedford, Thomas A. Tartaglia, Sejal S. Sheth, Guillaume Freychet | Summary: Solution-based soft matter self-assembly (SA) promises unique materials properties from approaches including additive manufacturing/three-dimensional (3D) printing. We report direct ink writing derived, hierarchically porous transition metal nitride superconductors (SCs) and precursor […]


Continue.. 3D printed mesoporous superconductors with periodic order on three length scales and enhanced properties via block copolymer directed self-assembly

Reducing disorder in Ge quantum wells by using thick SiGe barriers

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Davide Costa, Lucas E. A. Stehouwer, Yi Huang, Sara Martí-Sánchez, Davide Degli Esposti | Summary: We investigate the disorder properties of two-dimensional hole gases in Ge/SiGe heterostructures grown on Ge wafers, using thick SiGe barriers to mitigate the influence of the semiconductor-dielectric interface. Across several heterostructure field […]


Continue.. Reducing disorder in Ge quantum wells by using thick SiGe barriers

How to evaluate your medical time series classification?

Kavli Affiliate: Xiang Zhang | First 5 Authors: Yihe Wang, Taida Li, Yujun Yan, Wenzhan Song, Xiang Zhang | Summary: Medical time series (MedTS) play a critical role in many healthcare applications, such as vital sign monitoring and the diagnosis of brain and heart diseases. However, the existence of subject-specific features poses unique challenges in […]


Continue.. How to evaluate your medical time series classification?

Repurposing Foundation Model for Generalizable Medical Time Series Classification

Kavli Affiliate: Xiang Zhang | First 5 Authors: Nan Huang, Haishuai Wang, Zihuai He, Marinka Zitnik, Xiang Zhang | Summary: Medical time series (MedTS) classification is critical for a wide range of healthcare applications such as Alzheimer’s Disease diagnosis. However, its real-world deployment is severely challenged by poor generalizability due to inter- and intra-dataset heterogeneity […]


Continue.. Repurposing Foundation Model for Generalizable Medical Time Series Classification

Symmetry-controlled orbital Hall effect in IrO$_2$

Kavli Affiliate: Daniel C. Ralph | First 5 Authors: Michael Patton, Dongwook Go, Daniel A. Pharis, Xiaoxi Huang, Gautam Gurung | Summary: Recent discovery of orbital currents in several material platforms including light element metals has opened new possibilities for exploring novel transport phenomena and applications to spin-orbitronic devices. These orbital currents, similar to spin […]


Continue.. Symmetry-controlled orbital Hall effect in IrO$_2$

Direct Imaging of Transition-Edge Sensors with Scanning SQUID Microscopy

Kavli Affiliate: Katja C. Nowack | First 5 Authors: Samantha Walker, Austin Kaczmarek, Jason Austermann, Douglas Bennett, Shannon M. Duff | Summary: Significant advancements have been made in understanding the physics of transition-edge sensors (TESs) over the past decade. However, key questions remain, particularly a detailed understanding of the current-dependent resistance of these detectors when […]


Continue.. Direct Imaging of Transition-Edge Sensors with Scanning SQUID Microscopy

Nonlinearity of transparent SNS weak links decreases sharply with length

Kavli Affiliate: Anton R. Akhmerov | First 5 Authors: Valla Fatemi, Pavel D. Kurilovich, Anton R. Akhmerov, Bernard van Heck, | Summary: Superconductor-normal material-superconductor (SNS) junctions are being integrated into microwave circuits for fundamental and applied research goals. The short junction limit is a common simplifying assumption for experiments with SNS junctions, but this limit […]


Continue.. Nonlinearity of transparent SNS weak links decreases sharply with length

Nonlinearity of transparent SNS weak links decreases sharply with length

Kavli Affiliate: Anton R. Akhmerov | First 5 Authors: Valla Fatemi, Pavel D. Kurilovich, Anton R. Akhmerov, Bernard van Heck, | Summary: Superconductor-normal material-superconductor (SNS) junctions are being integrated into microwave circuits for fundamental and applied research goals. The short junction limit is a common simplifying assumption for experiments with SNS junctions, but this limit […]


Continue.. Nonlinearity of transparent SNS weak links decreases sharply with length