RU2012129650A - METHOD FOR SYNTHESIS OF MONOCRYSTALLINE IRON SElenides - Google Patents
METHOD FOR SYNTHESIS OF MONOCRYSTALLINE IRON SElenides Download PDFInfo
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- RU2012129650A RU2012129650A RU2012129650/05A RU2012129650A RU2012129650A RU 2012129650 A RU2012129650 A RU 2012129650A RU 2012129650/05 A RU2012129650/05 A RU 2012129650/05A RU 2012129650 A RU2012129650 A RU 2012129650A RU 2012129650 A RU2012129650 A RU 2012129650A
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- ampoule
- iron
- salt melt
- synthesis
- selenium
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- Crystals, And After-Treatments Of Crystals (AREA)
- Photoreceptors In Electrophotography (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1. Способ синтеза селенидов железа, включающий нагрев герметичной ампулы с размещенной в одном ее конце шихты из селена и железа и заполненной солевым расплавом, отличающийся тем, что нагрев ампулы осуществляют с градиентом температур от величины 450°С-350°С со стороны размещения шихты до температуры, уменьшенной на 30°С-100°С с противоположной стороны, при этом в качестве солевого расплава используют смеси эвтектического состава, включающие хлорид алюминия, а нагрев осуществляют в течение времени, обеспечивающем перенос шихты из селена и железа в противоположный конец ампулы.2. Способ по п.1, отличающийся тем, что в качестве солевого расплава используют смесь из хлорида алюминия и хлорида калия в мольном соотношении 1,5-2:1.1. The method of synthesis of iron selenides, including heating a sealed ampoule with a mixture of selenium and iron placed at one end thereof and filled with salt melt, characterized in that the ampoule is heated with a temperature gradient of 450 ° C-350 ° C from the side of the charge to a temperature reduced by 30 ° С-100 ° С on the opposite side, while eutectic mixtures, including aluminum chloride, are used as a salt melt, and heating is carried out for a time providing transfer of the charge from selenium and iron Drop into the opposite end of the ampoule. 2. The method according to claim 1, characterized in that as a salt melt, a mixture of aluminum chloride and potassium chloride is used in a molar ratio of 1.5-2: 1.
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RU2012129650/05A RU2522591C2 (en) | 2012-07-13 | 2012-07-13 | Method of synthesising monocrystalline iron selenides |
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RU2012129650/05A RU2522591C2 (en) | 2012-07-13 | 2012-07-13 | Method of synthesising monocrystalline iron selenides |
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RU2012129650A true RU2012129650A (en) | 2014-01-20 |
RU2522591C2 RU2522591C2 (en) | 2014-07-20 |
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RU2012129650/05A RU2522591C2 (en) | 2012-07-13 | 2012-07-13 | Method of synthesising monocrystalline iron selenides |
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Cited By (1)
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CN113178571A (en) * | 2021-03-17 | 2021-07-27 | 湖南理工学院 | Hierarchical porous Fe3Se4@ NC @ CNTs composite material and preparation method and application thereof |
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CN111559915B (en) * | 2019-11-18 | 2022-04-19 | 天津科技大学 | graphene/FeSe composite material with high inter-grain connectivity and preparation method thereof |
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SU149765A1 (en) * | 1961-09-29 | 1961-11-30 | В.Н. Нестеров | The method of extraction of selenium from sludge |
CN101559931B (en) * | 2009-05-19 | 2010-11-03 | 武汉理工大学 | Method for preparing selenide ferrous iron nanometer flower |
JP5626658B2 (en) * | 2009-06-05 | 2014-11-19 | 独立行政法人物質・材料研究機構 | Iron-based superconducting wire and its manufacturing method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113178571A (en) * | 2021-03-17 | 2021-07-27 | 湖南理工学院 | Hierarchical porous Fe3Se4@ NC @ CNTs composite material and preparation method and application thereof |
CN113178571B (en) * | 2021-03-17 | 2022-06-24 | 湖南理工学院 | Hierarchical porous Fe3Se4@ NC @ CNTs composite material and preparation method and application thereof |
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RU2522591C2 (en) | 2014-07-20 |
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