Oxide materials, Oxide-based interfaces and Heterostructures : the search for novel states of matter

氧化物材料、基于氧化物的界面和异质结构：寻找新的物质状态 这项拟议的研究将探索氧化物材料和基于氧化物的复杂结构，这些氧化物表现出受强电子相互作用影响的物理性质。所有项目都涉及以单分子膜或由多种材料组成的异质结构(多层)的形式生长氧化物薄膜。我们将创建新的结构来缠绕这些不同氧化物的电子相，并研究它们之间的竞争、共存，甚至它们在出现新的电子态物质时的合作。总而言之，这些项目将集中在：1)高温超导体和各种氧化物之间的异质结构；2)电子掺杂铜酸盐高温超导体和传统超导体之间的约瑟夫森结，以探索铜酸盐中仍未知的超导起源；3)铁磁性和铁电性相结合的多铁性材料。这些项目将有助于加深我们对由于氧化物中强烈的电子-电子相互作用以及这些氧化物之间的界面而出现的新的物质电子相的理解。几个项目还可促进在纳米技术、电子、电信、医疗科学、安全以及能源运输和储存等领域潜在应用的设备的制造和设计方面的新专门知识的发展。

Oxide materials, Oxide-based Interfaces and Heterostructures: the search for novel states of matter The proposed research will explore oxide materials and complex structures based on oxides that present physical properties influenced by the strong electronic interactions. All the projects involve the growth of oxide thin films as monolayers or heterostructures (multilayers) made of several materials. We will create new structures designed to entwine the electronic phases of these various oxides and study their competition, their coexistence and even their cooperation in the emergence of novel electronic states of matter. In summary, the projects will focus on: 1) heterostructures between high temperature superconductors and various oxides; 2) Josephson junctions between electron-doped cuprate high temperature superconductors and conventional superconductors to probe the still unknown origin of superconductivity in cuprates; 3) multiferroic materials combining ferromagnetism and ferroelectricity. These projects will help deepen our understanding of emerging novel electronic phases of matter due to strong electron-electron interactions in oxides and interfaces between these oxides. Several projects could also contribute to the development of a new expertise in the fabrication and design of devices for potential applications in the fields of nanotechnology, electronics, telecommunications, medical science, security and energy transport and storage.