Growth, catalysis and faceting of $α$-Ga$_2$O$_3$ and $α$-(In$_x$Ga$_{1-x}$)$_2$O$_3$ on $m$-plane $α$-Al$_2$O$_3$ by molecular beam epitaxy

Kavli Affiliate: Debdeep Jena | First 5 Authors: Martin S. Williams, Manuel Alonso-Orts, Marco Schowalter, Alexander Karg, Sushma Raghuvansy | Summary: The growth of $alpha$-Ga$_2$O$_3$ and $alpha$-(In$_x$Ga$_{1-x}$)$_2$O$_3$ on $m$-plane $alpha$-Al$_2$O$_3$(10$bar{1}$0) by molecular beam epitaxy (MBE) and metal-oxide-catalyzed epitaxy (MOCATAXY) is investigated. By systematically exploring the parameter space accessed by MBE and MOCATAXY, phase-pure $alpha$-Ga$_2$O$_3$(10$bar{1}$0) and […]


Continue.. Growth, catalysis and faceting of $α$-Ga$_2$O$_3$ and $α$-(In$_x$Ga$_{1-x}$)$_2$O$_3$ on $m$-plane $α$-Al$_2$O$_3$ by molecular beam epitaxy

Artificial Intelligence-Facilitated Online Adaptive Proton Therapy Using Pencil Beam Scanning Proton Therapy

Kavli Affiliate: Jie Shan | First 5 Authors: Hongying Feng, Jie Shan, Carlos E. Vargas, Sameer R. Keole, Jean-Claude M. Rwigema | Summary: We propose an oAPT workflow that incorporates all these functionalities and validate its clinical implementation feasibility with prostate patients. AI-based auto-segmentation tool AccuContourTM (Manteia, Xiamen, China) was seamlessly integrated into oAPT. Initial […]


Continue.. Artificial Intelligence-Facilitated Online Adaptive Proton Therapy Using Pencil Beam Scanning Proton Therapy

Experimental demonstration of picometer level signal extraction with time-delay interferometry technique

Kavli Affiliate: Dan Luo | First 5 Authors: Mingyang Xu, Yujie Tan, Yurong Liang, Jiawen Zhi, Xiaoyang Guo | Summary: In this work, we have built an experimental setup to simulate the clock noise transmission with two spacecrafts and two optical links, and further demonstrated the extraction of picometer level signal drowned by the large […]


Continue.. Experimental demonstration of picometer level signal extraction with time-delay interferometry technique

The Oxygen Reduction Pathway for Spinel Metal Oxides in Alkaline Media: An Experimentally Supported Ab Initio Study

Kavli Affiliate: Hector D. Abruna | First 5 Authors: Colin R. Bundschu, Mahdi Ahmadi, Juan F. Méndez-Valderrama, Yao Yang, Héctor D. Abruña | Summary: Precious-metal-free spinel oxide electrocatalysts are promising candidates for catalyzing the oxygen reduction reaction (ORR) in alkaline fuel cells. In this theory-driven study, we use joint density-functional theory in tandem with supporting […]


Continue.. The Oxygen Reduction Pathway for Spinel Metal Oxides in Alkaline Media: An Experimentally Supported Ab Initio Study

Low energy electrodynamics and a hidden Fermi liquid in the heavy-fermion CeCoIn$_5$

Kavli Affiliate: Darrell G. Schlom | First 5 Authors: L. Y. Shi, Zhenisbek Tagay, Jiahao Liang, Khoan Duong, Yi Wu | Summary: We present time-domain THz spectroscopy of thin films of the heavy-fermion superconductor CeCoIn$_5$. The complex optical conductivity is analyzed through a Drude model and extended Drude model analysis. Below the $approx$ 40 K […]


Continue.. Low energy electrodynamics and a hidden Fermi liquid in the heavy-fermion CeCoIn$_5$

Low energy electrodynamics and a hidden Fermi liquid in the heavy-fermion CeCoIn$_5$

Kavli Affiliate: Kyle Shen | First 5 Authors: L. Y. Shi, Zhenisbek Tagay, Jiahao Liang, Khoan Duong, Yi Wu | Summary: We present time-domain THz spectroscopy of thin films of the heavy-fermion superconductor CeCoIn$_5$. The complex optical conductivity is analyzed through a Drude model and extended Drude model analysis. Below the $approx$ 40 K Kondo […]


Continue.. Low energy electrodynamics and a hidden Fermi liquid in the heavy-fermion CeCoIn$_5$

Emergence of ferromagnetism at the onset of moiré Kondo breakdown

Kavli Affiliate: Jie Shan | First 5 Authors: Wenjin Zhao, Bowen Shen, Zui Tao, Sunghoon Kim, Patrick Knüppel | Summary: The interaction of a lattice of localized magnetic moments with a sea of conduction electrons in Kondo lattice models induces rich quantum phases of matter, such as Fermi liquids with heavily renormalized electronic quasiparticles, quantum […]


Continue.. Emergence of ferromagnetism at the onset of moiré Kondo breakdown

3D photonics for ultra-low energy, high bandwidth-density chip data links

Kavli Affiliate: Alyosha Molnar | First 5 Authors: Stuart Daudlin, Anthony Rizzo, Sunwoo Lee, Devesh Khilwani, Christine Ou | Summary: Artificial intelligence (AI) hardware is positioned to unlock revolutionary computational abilities across diverse fields ranging from fundamental science [1] to medicine [2] and environmental science [3] by leveraging advanced semiconductor chips interconnected in vast distributed […]


Continue.. 3D photonics for ultra-low energy, high bandwidth-density chip data links

Epitaxial lattice-matched Al$_{0.89}$Sc$_{0.11}$N/GaN distributed Bragg reflectors

Kavli Affiliate: Grace Xing | First 5 Authors: Len van Deurzen, Thai-Son Nguyen, Joseph Casamento, Huili Grace Xing, Debdeep Jena | Summary: We demonstrate epitaxial lattice-matched Al$_{0.89}$Sc$_{0.11}$N/GaN ten and twenty period distributed Bragg reflectors (DBRs) grown on c-plane bulk n-type GaN substrates by plasma-enhanced molecular beam epitaxy (PA-MBE). Resulting from a rapid increase of in-plane […]


Continue.. Epitaxial lattice-matched Al$_{0.89}$Sc$_{0.11}$N/GaN distributed Bragg reflectors