AUTHOR=Al-Lehaibi Eman A. N. TITLE=The vibration of micro-circular ring of ceramic with viscothermoelastic properties under the classical Caputo and Caputo-Fabrizio of fractional-order derivative JOURNAL=Frontiers in Physics VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2024.1490664 DOI=10.3389/fphy.2024.1490664 ISSN=2296-424X