International Journal of Self-Propagating High-Temperature Synthesis最新文献

Spray Solution Combustion Synthesis of In-Doped ZnO: The Fuel Effect on Microstructure and Thermoelectric Properties 喷雾溶液燃烧合成掺杂氧化锌：燃料对微观结构和热电特性的影响

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International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-09-06 DOI: 10.3103/S1061386224700171

Zh. S. Yermekova, E. V. Chernyshova, S. S. Yurlov, S. N. Yudin

{"title":"Spray Solution Combustion Synthesis of In-Doped ZnO: The Fuel Effect on Microstructure and Thermoelectric Properties","authors":"Zh. S. Yermekova, E. V. Chernyshova, S. S. Yurlov, S. N. Yudin","doi":"10.3103/S1061386224700171","DOIUrl":"10.3103/S1061386224700171","url":null,"abstract":"ZnO is an earth abundant, safe, environmentally friendly, and relatively inexpensive resource for the application in the manufacturing of thermoelectric materials. In this work hollow spherical particles of Zn0.995In0.005O produced by the spray solution combustion synthesis (SSCS) with the stochiometric (φ1) and excessive (φ3) amount of glycine fuel were sintered at 900°C by the spark plasma sintering technique and thermoelectric properties of sintered Sφ1 and Sφ3 materials was measured. The best thermoelectric figure of merit zT ∼ 0.08 at 1050 K obtained for the materials produced at stoichiometric amount of fuel (φ1). It was shown that lower amount of fuel (φ1) used during the synthesis favors formation of porous and less textured structure which exhibits better thermoelectrical properties. The Lotgering factor (LF) calculated from the intensities of XRD (002) peaks was 0.65 for Sφ3 sample, whereas for Sφ1 sample LF (002) = 0.08. The average pore size of sintered Sφ1 and Sφ3 materials was around 200 nm. The total porosity was about 5–8% for Sφ1 and 2–3% for Sφ3 material.","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"33 3","pages":"214 - 222"},"PeriodicalIF":0.5,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142214070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Spatial Gasless Combustion Modes in a Sample with Discrete Structure 离散结构样本中的空间无气燃烧模式

IF 0.5

International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-09-06 DOI: 10.3103/S1061386224700122

V. G. Prokof’ev

引用次数: 0

Exploring the Influence of Zinc Doping on Nano Ferrites: A Review of Structural, Dielectric, and Magnetic Studies 探索锌掺杂对纳米铁氧体的影响：结构、介电和磁性研究综述

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International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-09-06 DOI: 10.3103/S1061386224700110

R. C. Bharamagoudar, A. S. Patil, S. N. Mathad, L. B. Kankanawadi

{"title":"Exploring the Influence of Zinc Doping on Nano Ferrites: A Review of Structural, Dielectric, and Magnetic Studies","authors":"R. C. Bharamagoudar, A. S. Patil, S. N. Mathad, L. B. Kankanawadi","doi":"10.3103/S1061386224700110","DOIUrl":"10.3103/S1061386224700110","url":null,"abstract":"Ferrites, known for their unique magnetic, structural, and electrical properties, have garnered significant attention across various scientific and industrial domains. This review provides a comprehensive analysis of the effects of zinc doping on three prominent ferrite materials: MnFe2O4, CuFe2O4, and CaFe2O4. Zinc doping, as a strategic method for tailoring these properties, has emerged as a promising avenue for enhancing their functionality and versatility. In the introduction part to the significance of ferrites, their wide-ranging applications are discussed. This review provides a basic overview of the many synthesis methods, such as co-precipitation, sol–gel, hydrothermal, solid-state etc., and a detailed investigating some nano ferrites. It then delves into the distinct characteristics of each ferrite, highlighting their magnetic behaviors, structural features, and electrical properties. The different methods to study the structural, magnetic, and dielectric properties are also discussed. The effects of zinc doping on MnFe2O4, CuFe2O4, and CaFe2O4 ferrites are discussed comprehensively. This study extensively concentrates on recent industrial applications like photoluminescence, biomedical, and sensors using spinel ferrites.","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"33 3","pages":"165 - 182"},"PeriodicalIF":0.5,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142214067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Pyrochlore-Based Matrix by SHS 利用热固性硅酸盐（SHS）制造基于火成岩的基质

IF 0.5

International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-09-06 DOI: 10.3103/S106138622470016X

T. V. Barinova, V. Yu. Barinov, V. N. Semenova

引用次数: 0

Self-Propagating High-Temperature Synthesis of MgAlON Using Mg Powder 使用镁粉的自推进式高温合成 MgAlON

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International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-09-06 DOI: 10.3103/S1061386224700146

T. G. Akopdzhanyan, D. I. Abzalov

引用次数: 0

Multifunctional Catalysts Based on High-Entropy Transition Metal Alloys 基于高熵过渡金属合金的多功能催化剂

IF 0.5

International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-09-06 DOI: 10.3103/S1061386224700158

E. V. Pugacheva, S. Ya. Zhuk, I. M. Bystrova, K. A. Romazeva, D. M. Ikornikov, O. D. Boyarchenko, N. Yu. Khomenko, O. V. Belousova, V. N. Sanin, V. N. Borshch

引用次数: 0

Evidence of an Oscillating Reaction during Heating of TiH2 in Air 在空气中加热 TiH2 时发生振荡反应的证据

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International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-09-06 DOI: 10.3103/S1061386224700213

S. G. Vadchenko, A. S. Rogachev

引用次数: 0

Finger Formation during Combustion of Granular Mixture Zr + 0.5C in Inert Gas Flow 颗粒状混合物 Zr + 0.5C 在惰性气体流中燃烧时形成的指状物

IF 0.5

International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-09-06 DOI: 10.3103/S1061386224700134

B. S. Seplyarskii, R. A. Kochetkov, T. G. Lisina, D. S. Vasilyev

引用次数: 0

One-Step Combustion Method of HPA Preparation for LED Applications 用于 LED 应用的 HPA 制备的一步燃烧法

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International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-09-06 DOI: 10.3103/S1061386224700183

P. Nayar, P. Yadav, U. Singh, A. Agnihotri

{"title":"One-Step Combustion Method of HPA Preparation for LED Applications","authors":"P. Nayar, P. Yadav, U. Singh, A. Agnihotri","doi":"10.3103/S1061386224700183","DOIUrl":"10.3103/S1061386224700183","url":null,"abstract":"Alumina (Al2O3) is widely used in a variety of applications because it has superior physical and chemical properties which are high heat resistance, excellent electrical isolation, abrasion resistance, and high corrosion resistance. Generally, alumina is manufactured with a purity of 99.6–99.9% mainly by the Bayer process with bauxite as the starting material. It is used in refractory products, spark plugs, IC substrates, and so on. High-purity alumina (HPA), which has a purity of more than 99.99% and has a uniform fine particle, is widely used in translucent tubes for high-pressure sodium lamps, single crystal materials such as sapphires for watch covers, high-strength ceramic tools, abrasives for magnetic tape, and the like. In recent years, the demand for high-purity alumina has been expanding in fields that are expected to show a high growth rate e.g., display materials, energy, automobiles, semiconductors, and computers. There are several complicated processes reported in literature to produce single phase α-HPA, which consumes more energy, and power and are very costly. In this paper, we report the preparation of nano-α alumina powders with a purity of 3N (99.9%) by a simple, economical, and faster method i.e., one-step auto combustion method. To obtain single phase α-alumina, the calcination temperature required is 1200°C but, in our work, we achieved single phase α-alumina at 500°C temperature by one-step auto combustion method. The as-prepared HPA is characterized through XRD, BET surface area, SEM and ICP, TGA, and LIBS to test for purity and its application in LED fabrication.","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"33 3","pages":"223 - 227"},"PeriodicalIF":0.5,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142214071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Titanium Carbide Powder from Magnesiothermic Combustion of Leucoxene: Obtained Particulate Nickel-Coated for Use as MMCs Reinforcement 从褐煤的镁热燃烧中获得碳化钛粉末：用作 MMCs 增强材料的镍涂层微粒

IF 0.5

International Journal of Self-Propagating High-Temperature Synthesis Pub Date : 2024-09-06 DOI: 10.3103/S1061386224700195

T. Chanadee, K. Vepulanont

{"title":"Titanium Carbide Powder from Magnesiothermic Combustion of Leucoxene: Obtained Particulate Nickel-Coated for Use as MMCs Reinforcement","authors":"T. Chanadee, K. Vepulanont","doi":"10.3103/S1061386224700195","DOIUrl":"10.3103/S1061386224700195","url":null,"abstract":"Titanium carbide (TiC) powder was synthesized by the magnesiothermic combustion of the TiO2-rich alteration product leucoxene and activated carbon (AC) in argon. Leucoxene and C were combined at a molar ratio of 1.0 : 1.5, and the effect of magnesium (Mg) fuel in the reaction system was studied at ratios of 1.0, 1.5, 2.0, 2.5, and 3.0. XRD analysis showed that the as-leached powder from a reactant mixture with a Mg molar ratio of 3.0 has fewer unwanted phases, and that leucoxene, C, Mg mixed at 1.0 : 1.5 : 3.0 produce TiC powder of a higher purity than the other reacted mixtures. The higher purity of the product was due to the more exothermic character of the combustion reaction, which had a higher enthalpy of reaction (ΔH) and adiabatic temperature (Tad). SEM observation of the as-leached powder revealed agglomerated fine particles of sub-micrometer size. The TiC powder was successfully coated with nickel by an electroless plating process. SEM/EDX demonstrated that the Ni-coated TiC powder consists of Ni particles smaller than 500 nm, which are well distributed on TiC particles.","PeriodicalId":595,"journal":{"name":"International Journal of Self-Propagating High-Temperature Synthesis","volume":"33 3","pages":"228 - 236"},"PeriodicalIF":0.5,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142214072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0