3 papers
math.SP2026
Spectral and Isoperimetric Bounds on Flat Tori
Emanuel Milman
We record several elementary relations between spectral and isoperimetric parameters of a flat torus and the covariance structure of a fundamental do…
cond-mat.mtrl-sci2026
Polycrystalline ferroelectric croconic acid for multisource environmental energy harvesting
Gloria P. Moreno-MartÃnez, Hari K. Mishra, Xabier GarcÃa-Casas +5
The development of organic ferroelectric materials through scalable and simplified fabrication routes remains a major challenge for next-generation energy-harvesting technologies.…
physics.app-ph2024
Triboelectric Pixels as building blocks for microscale and large area integration of drop energy harvesters
Ali Ghaffarinejad, Xabier Garcia-Casas, Fernando Nunez-Galvez +6
The ultimate step towards the exploitation of water as a clean and renewable energy source addresses the energies stored in the low frequencies of liquid flows, which demands flexi…