Electrocaloric properties and caloric figure of merit in the ferroelectric solid solution BaZrO3–BaTiO3 (BZT)

Autor: Nikola Novak, Florian Weyland, George A. Rossetti

Publikováno v: Journal of the European Ceramic Society. 41:1280-1287

The impact of the differing phase change characteristics on the electrocaloric effect (ECE) and thermophysical properties of Ba(ZrxTi1-x)O3 (BZT) were investigated. It is demonstrated that the ECE reduces strongly with increasing Zr concentration, fr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01e14761fac56fc426eb32294c4cef70
https://doi.org/10.1016/j.jeurceramsoc.2020.10.017

Ultrahigh room temperature electrocaloric response in lead-free bulk ceramicsviatape casting

Autor: Li Jin, Jing Pang, Yuan Sun, Chunwang Li, Hongliang Du, Yunfei Chang, Florian Weyland, Nikola Novak, Qingyuan Hu

Publikováno v: Journal of Materials Chemistry C. 7:6860-6866

Solid-state cooling technology based on the electrocaloric effect is attracting increasing attention as an important alternative to traditional cooling systems in microelectronic and integrated electronics. Lead-free bulk ceramics are considered as o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c54795ef9a3e2fd1711c1157b5d3e925
https://doi.org/10.1039/c9tc01407a

Journal of Materials Research

Autor: Sarangi Venkateshwarlu, Nikola Novak, Frederick P. Marlton, Sanjib Nayak, Deepam Maurya, Olaf J. Borkiewicz, Kevin A. Beyer, Abhijit Pramanick, Mads R. V. Jørgensen, Yashaswini Veerabhadraiah, Florian Weyland

Publikováno v: Venkateshwarlu, S, Nayak, S, Marlton, F P, Weyland, F, Novak, N, Maurya, D, Veerabhadraiah, Y, Borkiewicz, O, Beyer, K A, Jorgensen, M R V & Pramanick, A 2020, ' Relaxor behavior and electrothermal properties of Sn-and Nb-modified (Ba,Ca)TiO 3 Pb-free ferroelectric ', Journal of Materials Research, vol. 35, no. 8, pp. 1017-1027 . https://doi.org/10.1557/jmr.2020.25

Relaxor ferroelectrics have drawn attention for possible applications in solid-state cooling and thermal energy harvesting, owing to their electrothermal energy conversion properties. Here, we have synthesized and characterized the structure-property

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a69bd1aae48f6d8d6879b8bac2667bf
https://pure.au.dk/portal/da/publications/relaxor-behavior-and-electrothermal-properties-of-sn-and-nbmodified-bacatio3-pbfree-ferroelectric(25a1b57f-3ae8-4a5e-adb5-4718277ca3b8).html

Long term stability of electrocaloric response in barium zirconate titanate

Autor: Thorsten Eisele, Till Frömling, George A. Rossetti, Florian Weyland, Jürgen Rödel, Nikola Novak, Sebastian Steiner

Publikováno v: Journal of the European Ceramic Society. 38:551-556

The stability of the electrocaloric effect under electric field cycling is an important consideration in the development of solid-state cooling devices. Here we report measurements carried out on Ba(Zr0.2Ti0.8)O3 ceramics which reveal that the adiaba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d7e39cb018d6c0d95bde6aa3a4f7d141
https://doi.org/10.1016/j.jeurceramsoc.2017.09.018

Thermomechanical Energy Conversion Potential of Lead-Free 0.50Ba(Zr0.2 Ti0.8 )O3 -0.50(Ba0.7 Ca0.3 )TiO3 Bulk Ceramics

Autor: Virginia Rojas, Florian Weyland, Jürgen Rödel, Nikola Novak, Rahul Vaish, Aditya Chauhan, Satyanarayan Patel

Publikováno v: Energy Technology. 6:872-882

When employed appropriately, ferroelectric materials present themselves as one of the most efficient means of waste (thermal/mechanical) energy scavenging. A large conversion potential can be obtained when appropriate materials are combined with high

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e06319a71424267f346a44de85241e0f
https://doi.org/10.1002/ente.201700416