Magnetocaloric effect and barocaloric effect: new experimental techniques, materials and theoretical models

• Grant number: 12/03480-0
• Support Opportunities: Research Grants - Young Investigators Grants
• Start date: December 01, 2012
• End date: November 30, 2016
• Field of knowledge: Physical Sciences and Mathematics - Physics - Condensed Matter Physics
• Principal Investigator: Alexandre Magnus Gomes Carvalho
• Grantee: Alexandre Magnus Gomes Carvalho
• Host Institution: Centro Nacional de Pesquisa em Energia e Materiais (CNPEM). Ministério da Ciência, Tecnologia e Inovação (Brasil). Campinas , SP, Brazil
• Associated scholarship(s): 12/24024-3 - Magnetocaloric Effect and Barocaloric Effect: new experimental techniques, materials and theoretical models, BP.JP

Abstract

In this experimental/theoretical/applied project, I propose: to prepare and characterize new magnetic materials and most of them have great potential to present high values of magnetocaloric effect and/or barocaloric effect; to develop and improve theoretical models, which will be useful to analyze and understand the physical behavior of several of the those materials; to develop a new experimental setup to measure the barocaloric effect directly; to improve a technique of measuring the magnetocaloric effect directly; to develop a new model of a thermomagnetic switch. Besides, this project will be useful to the scientific training of students from UNIFESP and to the improvement of the research infrastructure of the incipient campus in São José dos Campos. (AU)

Scientific publications

(8)

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

CARVALHO, A. M. G.; IMAMURA, W.; USUDA, E. O.; BOM, N. M.. Giant room-temperature barocaloric effects in PDMS rubber at low pressures. EUROPEAN POLYMER JOURNAL, v. 99, p. 212-221, FEB 2018. (12/03480-0)

CARVALHO, A. M. G.; NUNES, R. S.; COELHO, A. A.. X-ray powder diffraction of high-absorption materials at the XRD1 beamline off the best conditions: Application to (Gd, Nd)(5)Si-4 compounds. Powder Diffraction, v. 32, n. 1, p. 10-14, MAR 2017. (12/03480-0)

ALHO, B. P.; LOPES, P. H. O.; RIBEIRO, P. O.; ALVARENGA, T. S. T.; NOBREGA, E. P.; DE SOUSA, V. S. R.; CARVALHO, A. M. G.; CALDAS, A.; TEDESCO, J. C. G.; COELHO, A. A.; et al. Magnetic and magnetocaloric properties in Gd1-yPryNi2 compounds. Journal of Magnetism and Magnetic Materials, v. 449, p. 308-312, MAR 1 2018. (12/03480-0)

IPUS, JHON J.; RIBEIRO, PAULA O.; VON RANKE, P.; CARABALLO VIVAS, R. J.; CARVALHO, ALEXANDRE M. G.; COELHO, ADELINO A.; FRANCO, VICTORINO; ROCCO, DANIEL L.. Tunable magnetocaloric effect around room temperature by Fe doping in Mn0.98Cr(0.02-x)FexAs compound. Journal of Magnetism and Magnetic Materials, v. 436, p. 85-90, AUG 15 2017. (12/03480-0)

BOM, NICOLAU MOLINA; USUDA, ERIK ODA; DA SILVA GIGLIOTTI, MARIANA; DE AGUIAR, DENILSON JOSE MARCOLINO; IMAMURA, WILLIAM; PAIXAO, LUCAS SOARES; CARVALHO, ALEXANDRE MAGNUS GOMES. Waste Tire Rubber-based Refrigerants for Solid-state Cooling Devices. CHINESE JOURNAL OF POLYMER SCIENCE, v. 38, n. 7, MAR 2020. (12/03480-0)

USUDA, E. O.; BOM, N. M.; CARVALHO, A. M. G.. Large barocaloric effects at low pressures in natural rubber. EUROPEAN POLYMER JOURNAL, v. 92, p. 287-293, JUL 2017. (12/03480-0)

BOM, N. M.; USUDA, E. O.; GUIMARAES, G. M.; COELHO, A. A.; CARVALHO, A. M. G.. Note: Experimental setup for measuring the barocaloric effect in polymers: Application to natural rubber. Review of Scientific Instruments, v. 88, n. 4, APR 2017. (12/03480-0)

BOM, N. M.; IMAMURA, W.; USUDA, E. O.; PAIXAO, L. S.; CARVALHO, A. M. G.. Giant Barocaloric Effects in Natural Rubber: A Relevant Step toward Solid-State Cooling. ACS MACRO LETTERS, v. 7, n. 1, p. 31-36, JAN 2018. (12/03480-0)