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Displaying 2851 - 2875 of 143740

The optical and magnetic properties of Ru-doped hybrid improper perovskite Ca3Mn2O7 via experimental and first-principles calculations

April 7, 2023
Author(s)
Kejia Yuan, Hanwen Zhang, Tianqi Xiao, Zhiyan Li, Winnie Wong-Ng, Wei Zhou, Chao Wang, Shouyu Wang, Weifang Liu
The quasi-2D Ruddlesden-Popper layered perovskites with single-phase multiferroicity have attracted much attention in recent magnetoelectric memory applications. We have systematically investigated the optical and magnetic properties of Ru-doped hybrid

Berlin Statement on Legacy and Emerging Contaminants in Polar Regions

April 6, 2023
Author(s)
Rebecca Pugh, Ralf Ebinghaus, Elena Barbaro, Susan Bengtson Nash, Cristina de Avila, Cynthia de Wit, Valeria Dulio, Janine Felden, Antonio Franco, Juergen Gandrass, Marco Grotti, Heike Herata, Kevin Hughes, Morten Jartun, Hanna Joerss, Roland Kallenborn, Jan Koschorreck, Anette Kuster, Rainer Lohmann, Zhanyun Wang, Matthew MacLeod, Caren Rauert, Jaroslav Slobodnik, Roxana Suhring, Katrin Vorkamp, Zhiyong Xie
Polar regions should be given greater consideration with respect to chemical monitoring, chemicals risk assessment, and management, consistent with requirements of the precautionary principle. Protecting the vulnerable polar environments requires (i)

Security Segmentation in a Small Manufacturing Environment

April 6, 2023
Author(s)
Michael Powell, John Hoyt, Aslam Sherule, Lynette Wilcox
Manufacturers are increasingly targeted in cyber-attacks. Small manufacturers are particularly vulnerable due to limitations in staff and resources to operate facilities and manage cybersecurity. Security segmentation is a cost-effective and efficient

Lower Bounds on Quantum Annealing Times

April 5, 2023
Author(s)
Luis Pedro Garcia-Pintos, Lucas Brady, Jacob Bringewatt, Yi-Kai Liu
The adiabatic theorem provides sufficient conditions for the time needed to prepare a target ground state. While it is possible to prepare a target state much faster with more general quantum annealing protocols, rigorous results beyond the adiabatic

Towards Global Parameter Estimation Exploiting Reduced Data Sets

April 5, 2023
Author(s)
Susanne Sass, Angelos Tsoukalas, Ian Bell, Dominik Bongartz, Jaromil Najman, Alexander Mitsos
We focus on deterministic global optimization (DGO) methods for solving nonconvex parameter estimation problems. In estimation problems, realistic and accurate solutions require a fitting against huge measurement data sets often. However, many of the
Displaying 2851 - 2875 of 143740
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