Search Results - "Bruck, Ekkes"

Taming the First-Order Transition in Giant Magnetocaloric Materials by Guillou, François, Porcari, Giacomo, Yibole, Hargen, van Dijk, Niels, Brück, Ekkes

“…Large magnetically driven temperature changes are observed in MnFe(P,Si,B) materials simultaneously with large entropy changes, limited (thermal or magnetic)…”
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Magnetic Materials and Devices for the 21st Century: Stronger, Lighter, and More Energy Efficient by Gutfleisch, Oliver, Willard, Matthew A., Brück, Ekkes, Chen, Christina H., Sankar, S. G., Liu, J. Ping

“…A new energy paradigm, consisting of greater reliance on renewable energy sources and increased concern for energy efficiency in the total energy lifecycle,…”
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Nano-structuring of all-d-metal NiCoMnTi-based Heusler compounds by Zhang, Fengqi, van Dijk, Niels, Brück, Ekkes, Ren, Yang

“…The emerging all-d-metal Ni(Co)MnTi-based Heusler compounds attract extensive attention because it can potentially be employed for solid-state refrigeration…”
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Giant reversible magnetocaloric effect in MnNiGe-based materials: Minimizing thermal hysteresis via crystallographic compatibility modulation by Liu, Jun, Gong, Yuanyuan, You, Yurong, You, Xinmin, Huang, Bowei, Miao, Xuefei, Xu, Guizhou, Xu, Feng, Brück, Ekkes

“…MnMX (M = Co or Ni, X = Si or Ge) alloys with strong magnetostructural coupling exhibit giant magnetic entropy change and are currently extensively studied…”
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The second-order magnetic phase transition and magnetocaloric effect in all-d-metal NiCoMnTi-based Heusler alloys by Zhang, Fengqi, Westra, Kevin, Shen, Qi, Batashev, Ivan, Kiecana, Anika, van Dijk, Niels, Brück, Ekkes

“…•The structural, MCE and microstructure information have been studied in the SOMT all-d-metal NiCoMnTi based Heusler alloys.•The values of TC and MS can be…”
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Layering strategies for active magnetocaloric regenerators using MnFePSi for heat pump applications by Pineda Quijano, Diego, Infante Ferreira, Carlos, Brück, Ekkes

“…•AMRs with thicker end layers are less sensible to changes in operating temperatures.•Linear distributions of Curie temperatures are preferred over sigmoidal…”
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Effect of off-stoichiometry and Ta doping on Fe-rich (Mn,Fe)2(P,Si) based giant magnetocaloric materials by Zhang, Fengqi, Batashev, Ivan, van Dijk, Niels, Brück, Ekkes

“…[Display omitted] The influence of off-stoichiometry and of doping with the 5d transition metal Ta has been studied in the quaternary (Mn,Fe)2(P,Si)-based…”
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Magnetoelastic transition and negative thermal expansion of Fe2Hf0.83Ta0.17 ribbons by Shen, Qi, Zhang, Fengqi, Dugulan, Iulian, van Dijk, Niels, Brück, Ekkes

“…In this work, the magnetocaloric effect and negative thermal expansion in melt-spun Fe2Hf0.83Ta0.17 Laves phase alloys were studied. Compared to arc-melted…”
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A universal metric for ferroic energy materials by Brück, Ekkes, Yibole, Hargen, Zhang, Lian

“…After almost 20 years of intensive research on magnetocaloric effects near room temperature, magnetic refrigeration with first-order magnetocaloric materials…”
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Exploring the negative thermal expansion and magnetocaloric effect in Fe2(Hf,Ti) Laves phase materials by Shen, Qi, Batashev, Ivan, Zhang, Fengqi, Ojiyed, Hamutu, Dugulan, Iulian, van Dijk, Niels, Brück, Ekkes

“…The transition-metal based Laves phase materials represent an extended family of alloys with rich and fascinating physical properties. In this work, we have…”
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Advanced Magnetocaloric Materials for Energy Conversion: Recent Progress, Opportunities, and Perspective by Zhang, Fengqi, Miao, Xuefei, Dijk, Niels, Brück, Ekkes, Ren, Yang

“…Solid‐state caloric effects as intrinsic thermal responses to different physical external stimuli (magnetic‐, uniaxial stress‐, pressure‐, and electric‐fields)…”
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Impact of W doping on Fe-rich (Mn,Fe)2(P,Si) based giant magnetocaloric materials by Zhang, Fengqi, Smits, Sebastian, Kiecana, Anika, Batashev, Ivan, Shen, Qi, van Dijk, Niels, Brück, Ekkes

“…The influence of doping with the 5d transition metal W has been studied in the quaternary (Mn,Fe)2(P,Si) based giant magnetocaloric compounds, which is one of…”
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Role of surface carboxylate deposition on the deactivation of cobalt on titania Fischer-Tropsch catalysts by Gonugunta, Prasad, Dugulan, A. Iulian, Bezemer, G. Leendert, Brück, Ekkes

“…[Display omitted] •During operation acids react with titania to form carboxylates.•Distinct differences between catalysts in amount and type of…”
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Magnetocaloric properties of Mn5(Si,P)B2 compounds for energy harvesting applications by Ojiyed, Hamutu, van den Berg, Maarten, Batashev, Ivan, Shen, Qi, van Dijk, Niels, Brück, Ekkes

“…The magnetocaloric properties of Mn5Si1-xPxB2 (0 ≤ x ≤ 1) compounds were studied for energy harvesting applications. The crystal structure and the magnetic…”
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Impact of F and S doping on (Mn,Fe)2(P,Si) giant magnetocaloric materials by Zhang, Fengqi, Batashev, Ivan, Shen, Qi, Wu, Ziying, Smith, Ronald I., de Wijs, Gilles A., van Dijk, Niels, Brück, Ekkes

“…The quarternary (Mn,Fe)2(P,Si)-based materials with a giant magnetocaloric effect (GMCE) at the ferromagnetic transition TC are promising bulk materials for…”
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Magnetoelastic coupling and magnetocaloric effect in hexagonal Mn–Fe–P–Si compounds by Dung, Nguyen Huu, Zhang, Lian, Ou, Zhi Qiang, Brück, Ekkes

“…A strong magnetoelastic coupling has been observed in Fe2P-based hexagonal Mn–Fe–P–Si compounds. The magnitude of the magnetoelastic coupling can be tuned by…”
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The antiferromagnetic to ferrimagnetic phase transition in Mn2Sb1-xBix compounds by Shen, Qi, Batashev, Ivan, Zhang, Fengqi, Ojiyed, Hamutu, van Dijk, Niels, Brück, Ekkes

“…•The transition temperature of the AFM-FIM transition initially increases with increasing Bi and decreases above 9%.•DFT calculations indicate that Bi atoms…”
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Giant anisotropic magnetocaloric effect by coherent orientation of crystallographic texture and rare-earth ion moments in HoNiSi ploycrystal by Zhang, Hu, Xing, Chengfen, Zhou, He, Zheng, Xinqi, Miao, Xuefei, He, Lunhua, Chen, Jie, Lu, Huaile, Liu, Enke, Han, Wentuo, Zhang, Hongguo, Wang, Yixu, Long, Yi, van Eijk, Lambert, Brück, Ekkes

“…A new concept named “rotating magnetocaloric effect (RMCE)” has been proposed and attracted more attention recently. Unlike the traditional MCE that is…”
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Cold working consequence on the magnetocaloric effect of Ni50Mn34In16 Heusler alloy by Cugini, Francesco, Righi, Lara, van Eijck, Lambert, Brück, Ekkes, Solzi, Massimo

“…The negative effect of cold working on the magnetocaloric effect across the Curie transition of Mn-based Heusler alloys is highlighted. The results of manual…”
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Investigation on the regenerative Brayton refrigeration cycle performances using novel Mn-Fe-P-Si composite material with thermal hysteresis as the working medium by Li, Yan, Huang, Bowei, Lin, Guoxing, Chen, Jincan, Brück, Ekkes

“…•A Brayton refrigeration cycle with novel MnFe-based composite material is proposed.•Experimental and theoretical researches are fully integrated.•Effects of…”
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