Tailoring macroscopic functionalities in a semiconducting oxide (C09*)

定制半导体氧化物 (C09*) 的宏观功能

• 批准号: 418557933
• 金额: --
• 依托单位: Lehrstuhl für Experimentelle Physik VI
• 依托单位国家: 德国
• 项目类别: CRC/Transregios
• 财政年份: 2019
• 资助国家: 德国
• 起止时间: 2018-12-31 至 2022-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/418557933?language=en
• 关键词: Tailoring; macroscopic; functionalities; semiconducting; oxide

In this project we aim at controlling both the steady and transient functionalities in the ferromagnetic oxide semiconductor EuO. Two complementary approaches will be employed: advanced crystal engineering - to control the steady state, and femtosecond optical excitation - to control the transient state. The advanced engineering approach relies on the preparation and characterization of EuO thin films in different lateral configurations and dimensions to generate epitaxial strain, proximity, or quantum confinement effects. As a following step, we will employ time-resolved magneto-optical and photoemission experiments to explore the femtosecond electron and spin dynamics with the main aim of manipulating the magnetic order in the steady-states induced via advanced crystal engineering.

在这个项目中，我们的目标是控制铁磁氧化物半导体EuO的稳态和瞬态功能。两种互补的方法将被采用：先进的晶体工程-控制稳态，和飞秒光激发-控制瞬态。先进的工程方法依赖于不同横向结构和尺寸的EuO薄膜的制备和表征，以产生外延应变、接近或量子限制效应。接下来，我们将采用时间分辨磁光和光发射实验来探索飞秒电子和自旋动力学，主要目的是通过先进的晶体工程来控制稳态下的磁顺序。