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Thcr2si2结构

Web20 Feb 1998 · N. Sangeetha, V. Anand, E. Cuervo-Reyes, V. Smetana, A. Mudring, D. Johnston. Materials Science. 2024. The compound EuCo {2-y}As2 with the tetragonal ThCr2Si2 structure is known to contain Eu {+2} ions with spin S = 7/2 that order below a temperature TN = 47 K into an antiferromagnetic (AFM) proper…. Expand. 25. Web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 ...

固体与表面: 一位化学家关于扩展结构中成键作用的见解 - [美]R·霍 …

Web2 Oct 2024 · 通过研 究不同 ThCr2Si2型. 4、层状结构材料的物理特性， 可以促使我们在发现新型超导体的同时 加深对铁基非常规高温超导机理的理解。本论文通过输运与磁扭矩等 … Web1 Apr 2024 · Magnetic phase diagram of the solid solution LaMn2 (Ge1−xSix)2 (0 ≤ x ≤ 1) unraveled by powder neutron diffraction. The structural and magnetic properties of the … puyhj https://megerlelaw.com

化学专业保研手册-第十二章：化学前沿（超导材料） - 知乎

Web5 Jun 2024 · We investigated the coexistence of superconductivity and antiferromagnetic order in the compound Er2O2Bi with anti-ThCr2Si2-type structure through resistivity, magnetization, specific heat measurements and first-principle calculations. The superconducting transition temperature Tc of 1.23 K and antiferromagnetic transition … Web8 Nov 2024 · Tb 2 O 2 Bi polycrystals were synthesized by the conventional solid-state reaction. Tb 4 O 7 (99.9%) powder was heated at 1000 °C in a furnace for 10 h to remove moisture. Tb (99.9%), Tb 4 O 7 (99.9%), and Bi (99.9%) powders were pelletized under 20 MPa in a nitrogen-filled glove box after mixing, where the nominal compositions were Tb 2 … WebMetallic anti-ThCr2Si2-type RE2O2Bi (RE = rare earth) with Bi square nets show superconductivity while insulating La2O2Bi shows high hole mobility, by expanding the c-axis length through oxygen intercalation. In this study, alkaline earth metal oxides (CaO, SrO and BaO) were co-sintered with La2O2Bi. CaO and puyi aisin gioro

ThCr2Si2 structure type: The “perovskite” of intermetallics

Category:"12442"型铁基超导体的发现与物性 - 百度学术 - Baidu

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Thcr2si2结构

Crystals, magnetic and electronic properties of a new ThCr2Si2 …

Web28 Oct 2015 · 在本论文中，我们对ThCr2Si2结构的铁基及其相关化合物进行研究。. 我们详细 地研究i＇122欠掺杂铁基超导体的面内电阻各向异性，并且研究了EuFe2一zCozAs2的 电 … Web1 Apr 2024 · Abstract. This work provides a brief review of the crystal structure, compositional scope, structural phase transitions, superconductivity, magnetism, and …

Thcr2si2结构

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Web1 Apr 2024 · Magnetic phase diagram of the solid solution LaMn2 (Ge1−xSix)2 (0 ≤ x ≤ 1) unraveled by powder neutron diffraction. The structural and magnetic properties of the ThCr2Si2-type solid solution LaMn2 (Ge1−xSix)2 (x = 0.0 to 1.0) have been investigated employing a combination of X-ray diffraction, magnetization and…. Web我们想进一步研究这类铱化物超导体,我们通过高温高压反应方法合成了具有ThCr2Si2型晶体结构的超导体Ba Ir_2As_2。多晶样品在空气中极其不稳定,需要氩气氛围的保护。BaIr_2As_2在2.45 K出现超导电性,属于第二类超导体,这与BaIr2P2和SrIr_2As_2超导体相似。

WebWe report a series of layered superconductors, anti-ThCr2Si2-type RE2O2Bi (RE = rare earth), composed of electrically conductive Bi square nets and magnetic insulating RE2O2 layers. Superconductivity was induced by separating the Bi square nets as a result of excess oxygen incorporation, irrespective of the Web铜氧化物超导体和铁基超导体是迄今为止仅有的两类在常压下展现高温超导电性的超导材料.两者的晶体结构均为准二维的超导活性层 (CuO2面和Fe2X2层,XXX为磷族或硫族元素)与其他间隔层堆叠而成.这种结构特性使得我们有可能通过结构设计的方式,将超导活性层与不 ...

Web13 Dec 2024 · In Y 2 O 2 Bi with Bi square net, H substitution and Li intercalation led to higher superconducting transition temperature (T c), while F substitution led to lower T c, where T c is universally scaled by unit cell tetragonality c/a.Li intercalated Y 2 O 2 Bi showed a higher T c than previously reported Y 2 O 2 Bi even for the similar c/a. Web20 Nov 2014 · ThCr2Si2结构的铁基超导体及其相关材料研究泌中国科学技术大学学位论文原创性声明本人声明所呈交的学位论文,是本人在导师指导下进行研究工作所取得的成果。除已特别加以标注和致谢的地方外,论文中不包含任何他人已经发表或撰写过的研究成果。 ...

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Web本文为您介绍超导材料的发展前景,内容包括超导材料的发展前景好,超导材料的最新进展。超导材料，是指具有在一定的低温条件下呈现出电阻等于零以及排斥磁力线的性质的材料。现已发现有28种元素和几千种合金和化合物可以成为超导体。下面是有关于超导材料的发展前 … puyi hoi4WebBoth compounds are of ThCr2Si2 type crystal structure and exhibit antiferromagnetic ordering below TN = 53 K and TN = 12.8 K respectively. The magnetic structure wave vector is τ = [0, 0, 1]. View puyisitaWeb在本论文中,我们对ThCr2Si2结构的铁基及其相关化合物进行研究。. 我们详细地研究了122欠掺杂铁基超导体的面内电阻各向异性,并且研究了EuFe2-xCoxAs2的电子顺磁共振。. 我们 … puyieWeb10 Aug 2024 · The ThCr 2 Si 2 structure was first reported by Ban and Sikirica in (), and since then, it has proven to be one of the most ubiquitous structural arrangements for … puyi last photoWeb5 Apr 2024 · This database is a sister to the American Mineralogist Crystal Structure Database (AMCSD) and contains all the data that is in the AMCSD as well as data that has been deposited by individuals and laboratories. The database is searchable by text, words, elements, volume, or number of elements. Crystal structure data are downloadable in CIF ... puyi hijosWeb17 Jan 2024 · ThCr2Si2型構造とその関連構造. ThCr2Si2型構造の名は、1965年に発見された物質であるThCr2Si2の結晶構造に由来します．同時期に、同じ結晶構造を持 … puyitaWeb24 Jul 2009 · 基于密度泛函理论，从头计算了具有ThCr2Si2型四方晶系的稀土金属化合物Yfe2B2体相的物理特性.能量计算结果表明Yfe2B2体相处于顺磁金属态；而能带结构、态密度、布居数以及差分电荷 分布的计算结果表明Y原子的5s，5p电子具有很强的局域性；Fe原子的3d电子和B的1s，2s和2p电子强烈耦合，使得最近邻Fe ... puyjalinet