3 papers
math.DS2022
Melnikov analysis for planar piecewise linear vector fields with algebraic switching curve
Cintia C. Santos, Oscar A. R. Cespedes
This paper is devoted to the study of the maximum number of limit cycles, , of a planar piecewise linear differential system with two zones separated by the curve $y^n-x^m=…
physics.app-ph2019
A nano-carbon route to rare earth free permanent magnetism
Timothy Moorsom, Shoug Alghamdi, Sean Stansill +9
High coercivity magnets are an important resource for renewable energy, electric vehicles and memory technologies. Most hard magnetic materials incorporate rare-earths such as neod…
cond-mat.mtrl-sci2016
Multiferroic clusters: a new perspective for relaxor-type room-temperature multiferroics
Leonard F. Henrichs, Oscar Cespedes, James Bennett +9
Multiferroics are promising for sensor and memory applications, but despite all efforts invested in their research no single-phase material displaying both ferroelectricity and lar…