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相关概念视频

Metallic Solids02:37

Metallic Solids

Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...

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相关实验视频

Updated: Jul 9, 2026

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures
11:54

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Published on: February 8, 2018

基于铁的分层超导体:LaOFePP.

Yoichi Kamihara1, Hidenori Hiramatsu, Masahiro Hirano

  • 1ERATO-SORST, JST, Frontier Collaborative Research Center, Tokyo Institute of Technology, Mail Box S2-13, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan.

Journal of the American Chemical Society
|August 3, 2006
PubMed
概括

我们在LaOFeP中发现了超导性,LaOFeP是一种以铁为基础的分层氧基基. 这种材料表现出接近4克尔文的超导过渡,通过磁性和电阻测量得到证实.

科学领域:

  • 凝聚物质物理学 凝聚物质物理学
  • 材料科学 材料科学 材料科学
  • 固态化学 固态化学

背景情况:

  • 超导是一种在某些材料中观察到的量子力学现象.
  • 基于铁的超导体是具有独特电子性质的重要材料类.
  • 层层的氧基化物为探索新型超导机制提供了一个有前途的平台.

研究的目的:

  • 报道了一种新的基于铁的分层氧基化物LaOFeP的超导性的发现.
  • 为了描述LaOFeP的超导特性.
  • 调查这种材料中超导性的结构和电子基础.

主要方法:

  • 合成和表征的LaOFeP化合物.
  • 测量磁敏度以检测梅斯纳效应.
  • 电阻测量以确定超导过渡温度.

主要成果:

  • 在LaOFeP中观察到超导性.
  • 超导过渡温度 (Tc) 确定为大约4K.
  • 结构分析揭示了一层氧化物和铁氧化物层的交替堆.

结论:

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Radio Frequency Magnetron Sputtering of GdBa2Cu3O7−δ/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 (STO) Single-crystal Substrates
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Published on: April 12, 2019

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Last Updated: Jul 9, 2026

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures
11:54

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Published on: February 8, 2018

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
10:40

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

Published on: April 8, 2018

Radio Frequency Magnetron Sputtering of GdBa2Cu3O7−δ/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 (STO) Single-crystal Substrates
06:49

Radio Frequency Magnetron Sputtering of GdBa2Cu3O7−δ/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 (STO) Single-crystal Substrates

Published on: April 12, 2019

  • LaOFeP是一种新发现的基于铁的分层氧-普尼克提德超导体.
  • 这一发现扩大了已知的超导材料家族.
  • 进一步的研究可以探索LaOFeP和相关化合物的超导性机制.