Search for dissertations about: "spintronics"

Showing result 1 - 5 of 55 swedish dissertations containing the word spintronics.

  1. 1. New Materials for Spintronics Electronic structure and magnetism

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Ronny Knut; Olof Karis; Biplab Sanyal; Hermann Durr; [2012]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Spintronics; X-ray photoemission; XPS; XMCD; XAS; magnetic semiconductors; HIKE; HAXPES; multilayer; monte carlo; magnetism; Physics with spec. in Atomic; Molecular and Condensed Matter Physics; Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik;

    Abstract : Materials exhibiting new functionalities due to interdependent electric (e.g. conductivity) and magnetic properties are potentially interesting for spintronics applications. READ MORE

  2. 2. First Principle Studies of Functional Materials Spintronics, Hydrogen Storage and Cutting Tools

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Fredrik Silvearv; Ahuja Rajeev; Ali Zaoui; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; spintronics; hydrogen storage; coating materials; Physics with spec. in Atomic; Molecular and Condensed Matter Physics; Fysik med inriktning mot atom- molekyl- och kondenserande materiens fysik;

    Abstract : The properties of functional materials have been studied with density functional theory.The first type of materials that have been investigated is the so called diluted magnetic semiconductors. It is a new class of materials that could offer enhanced functionality by making use of spin in addition to the charge of the electron. READ MORE

  3. 3. Density Functional Theory Applied to Materials for Spintronics

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Diana Mihaela Iusan; Olle Eriksson; Biplab Sanyal; Hiroshi Katayama-Yoshida; [2010]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; spintronics; dilute magnetic semiconductors; density functional theory; exchange interactions; magnetic percolation; ordering temperature; disorder; electronic structure; NATURAL SCIENCES Physics; NATURVETENSKAP Fysik; Materialvetenskap; Materials Science;

    Abstract : The properties of dilute magnetic semiconductors have been studied by combined ab initio, Monte Carlo, and experimental techniques. This class of materials could be very important for future spintronic devices, that offer enriched functionality by making use of both the spin and the charge of the electrons. READ MORE

  4. 4. Electronic Structure and Statistical Methods Applied to Nanomagnetism, Diluted Magnetic Semiconductors and Spintronics

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Lars Bergqvist; Olle Eriksson; Warren Pickett; [2005]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; spintronics; magnetism; Monte Carlo; critical temperature; exchange interactions; percolation; disorder; noncollinear; electronic structure; Materialvetenskap; TECHNOLOGY Materials science; TEKNIKVETENSKAP Teknisk materialvetenskap;

    Abstract : This thesis is divided in three parts. In the first part, a study of materials aimed for spintronics applications is presented. More specifically, calculations of the critical temperature in diluted magnetic semiconductors (DMS) and half-metallic ferromagnets are presented using a combination of electronic structure and statistical methods. READ MORE

  5. 5. Properties of Fe/ZnSe Heterostructures A Step Towards Semiconductor Spintronics

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Fredrik Gustavsson; Poul Erik Lindelof; [2002]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physics; semiconductor spintronics Fe ZnSe heterostructures spin injection interface magnetism magnetic tunnel junctions; Fysik; NATURAL SCIENCES Physics; NATURVETENSKAP Fysik; Fysik; Physics;

    Abstract : In the present thesis, the properties at ferromagnet/semiconductor interfaces, relevant for semiconductor spintronics applications, are addressed. Semiconductor spintronics refers to the possibility of storing information using the electron spin, additional to the electron charge, for enhanced flexibility in nanoscale semiconductor devices. READ MORE