Fe2val

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August undefined, 2024

TīmeklisIndeed a variety of Fe2VAl-based thermoelectric materials have been developed, all of which exhibit a large enhancement in the Seebeck coefficient, in parallel with a sharp reduction in the electrical resistivity. The aim of this review is to survey our recent studies concerning the thermoelectric Tīmeklis2024. gada 27. okt. · Even for a low-temperature-grown Fe 2 VAl film, the electrical properties are similar to those of bulk Fe 2 VAl reported previously. We note that the …

Phonon scattering at the interfaces of epitaxially grown Fe2VAl…

Tīmeklis2016. gada 1. dec. · For Fe 2 VAl, an anomaly at ∼1100 °C in the high-temperature resistivity has been inferred to be arising from a L 2 1 → B 2 transition [19], but no … TīmeklisFe2VAl exhibits promising properties for thermoelectric applications. Here, we investigated the microstructure of melt spun Fe2VAl using electron microscopy, atom probe tomography and field ion microscopy. We observe platelet-shaped VCxNy precipitates in the vicinity of antiphase boundaries (APB) oriented along the {100}-plane. tasbeeh of ruku

Evaluation of the Thermoelectric Module Consisting of W

Tīmeklis2024. gada 19. jūl. · Abstract. We studied thin films of Fe 2 VAl, Fe 2 VAl/Si, and a related compound using the total energy pseudopotential method. The internal atoms … Tīmeklis暨南大学,数字图书馆. 开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 Tīmeklis2003. gada 1. marts · The heat capacity of Fe2VAl is expressed by the general equation as CP=2.29×102−3.28×10−1T+2.50×10−3T2−5.63×106/T2 (J/mol/K). The measured … 魚ロゴデザイン

Order-disorder transitions in the Fe2VAl Heusler alloy

Pseudogap engineering of Fe2VAl-based thermoelectric

Tīmeklis2024. gada 6. marts · Knowing the electronic structure of a material is essential in energy applications to rationalize its performance and propose alternatives. Materials … Tīmeklis2024. gada 13. nov. · The heat diffusion time, from the rear face of the thermoelectric film to the Al thin-film surface, was obtained from this fit as τdiffusion = 1.44 × 10 −6 s, with a standard deviation of 1.09 ... 魚レシピ子供Tīmeklis2024. gada 1. marts · We used APT in search for possible segregation or clustering within the melt pool that can affect TE properties. Specimens were prepared from a region close to the surface of the melt pool, as marked by the blue box (not to scale) in Fig. 1 b. Fig. 3 a shows a representative APT reconstruction. The Fe, V, and Al ions … tasbeeh png

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Fe2val

Tīmeklis2024. gada 1. febr. · Linking the fundamental physics of band structure and scattering theory with macroscopic features such as measured temperature dependencies of … Tīmeklis2024. gada 8. febr. · The thermoelectric performance of Fe2V0.98Ta0.10Al0.92 is improved to ZT = 0.37 around 400 K, one of the highest values ever achieved for …

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Tīmeklis2024. gada 19. jūl. · Abstract. We studied thin films of Fe 2 VAl, Fe 2 VAl/Si, and a related compound using the total energy pseudopotential method. The internal atoms in a supercell of the repeated slab model were fully relaxed, except for Fe 2 VAl/Si. The detailed electronic and magnetic properties of structurally relaxed thin films of Fe 2 … Tīmeklis豆丁网是面向全球的中文社会化阅读分享平台，拥有商业,教育,研究报告,行业资料,学术论文,认证考试,星座,心理学等数亿实用 ...

Tīmeklis2024. gada 1. janv. · Abstract. The Heusler compound Fe 2 VAl is a potential candidate for thermoelectric applications because of the possession of a deep pseudogap at … Tīmeklis2024. gada 30. apr. · A significant improvement in power factor and figure of merit at all temperatures for the RE-doped Fe2VAl alloys is demonstrated. The low-temperature electrical transport properties of the rare-earth (RE) Ce, Dy, Sm element doped Fe2VAl Heusler alloys have been investigated. A significant enhancement in the Seebeck …

Tīmeklis2024. gada 1. okt. · Thermoelectric Properties of Fe2VAl-Based Thin-Films Deposited at High Temperature Satoshi Hiroi, Masashi Mikami, Tsunehiro Takeuchi MATERIALS TRANSACTIONS 57(9) 1628-1632 2016年査読有り Tīmeklis2024. gada 20. marts · Previous first-principles calculations have failed to reproduce many of the key thermoelectric features of Fe2VAl, e.g. the maximum values of the Seebeck coefficient S and its asymmetry with respect to the chemical potential. Also, previous theoretical predictions suggested that the pseud …

Tīmeklis2024. gada 1. jūn. · Results. First we present the calculations of Seebeck coefficient as a function of concentration of antisite defects. Fig. 3 shows calculated Seebeck coefficients for 3.7%, 7.4%, 11.11% and 16.6% antisite defect concentrations and pristine structure. Calculated values of the Seebeck coefficients with respect to …

Tīmeklis2024. gada 2. dec. · Improvement of p-type thermoelectric performance for Heusler-type Fe 2 V 1.08−y Ti y Al 0.92 alloys with y = 0–0.34 has been investigated, focusing on the valence electron concentration (VEC) effect for tuning the Fermi level across the center of the pseudogap via Ti doping, combined with a constructive modification of the … tasbeeh namazTīmeklis2012. gada 1. jūn. · While Fe2VAl (x=0) exhibits a semiconductorlike behavior in electrical resistivity, a slight substitution of Ge for Al causes a significant decrease in … 魚ロースター臭いTīmeklis2024. gada 1. jūn. · In the rhombohedral cell, the Fe atoms fractional coordinates are (1/4, 1/4, 1/4) and (3/4, 3/4, 3/4), while Al and V are at (1/2, 1/2, 1/2) and (0, 0, 0), … tasbeeh ringTīmeklis名古屋工業大学教授大学院工学研究科(〒466 8555 名古屋市昭和区御器所町) 産業技術総合研究所サステナブルマテリアル研究部門研究員魚ロボットトイザらスTīmekliscommand* DOS (ekcal)$HOME/phase0_2015.01/bin/ekcal (less than symbol) file_names.data nk=4 ne=1$HOME/phase0_2015.01/tools/bin/dos.pl dos.data' … tasbeeh picTīmeklisFor Fe2VAl the temperature-dependent Seebeck coefficient S(T) and electrical resistivity ρ(T) were calculated within the framework of density functional theory (DFT). The DFT calculations were extended in terms of a DFT/LDA+U approach with U − J values attributed to Fe-d-like states. For simulating the gener 魚レシピ子供人気Tīmeklis2002. gada 1. jūl. · While the Heusler-type Fe2VAl (y = z = 0) exhibits a semiconductor-like resistivity behavior, a slight substitution of Ti or Mo for V causes a sharp … 魚ロースター