title: Surface-confined molecular coolers for cryogenics.
abstract: An excellent molecule-based cryogenic magnetic refrigerant, gadolinium acetate tetrahydrate, is here used to decorate selected portions of silicon substrate. By quantitative magnetic force microscopy for a variable applied magnetic field near liquid-helium temperature, the molecules are demonstrated to hold their magnetic properties intact, and therefore their cooling functionality, after their deposition. These results represent a step forward towards the realization of a molecule-based micro-refrigerating device at very low temperatures.
authors: Instituto de Ciencia de Materiales de Aragón (ICMA) and Departamento, de Física de la Materia Condensada, CSIC - Universidad de Zaragoza, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain.
authors: Giulia
authors: G
authors: Lorusso
authors: Mark
authors: M
authors: Jenkins
authors: Pablo
authors: P
authors: González-Monje
authors: Ana
authors: A
authors: Arauzo
authors: Javier
authors: J
authors: Sesé
authors: Daniel
authors: D
authors: Ruiz-Molina
authors: Olivier
authors: O
authors: Roubeau
authors: Marco
authors: M
authors: Evangelisti
keywords: dip-pen nanolithography; gadolinium; magnetic force microscopy; magnetocaloric effect; molecular nanomagnets