Search for dissertations about: "N. Zhang"

Showing result 1 - 5 of 36 swedish dissertations containing the words N. Zhang.

  2. 1. Hot-wall MOCVD of N-polar group-III nitride materials

    Author : Hengfang Zhang; Vanya Darakchieva; Jr-Tai Chen; Ingemar Persson; Elke Meissner; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Group III-Nitride semiconductors: indium nitride (InN), gallium nitride (GaN), aluminum nitride (AlN) and their alloys continue to attract significant scientific interest due to their unique properties and diverse applications in photonic and electronic applications. Group-III nitrides have direct bandgaps which cover the entire spectral range from the infrared (InN) to the ultraviolet (GaN) and to the deep ultraviolet (AlN). READ MORE

  4. 2. Applications of Ion Beam Methods in Silicide/Si and Silicide/GaAs Nanometre Structures

    Author : Yanwen Zhang; Kärnfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Phase formation; Nanometre structures; silicide; detection efficiency; Ion Beam Analysis; Ion Beam Synthesis; Time-of-Flight Energy Elastic Recoil Detection ToF-E ERD ; implantation; Fysicumarkivet A:1998:Zhang; Kärnfysik; Nuclear physics; Detla E-E ERD;

    Abstract : Ion beam methods are used to analyse material (Ion Beam Analysis, IBA) and to modify the target (Ion Beam Modification of Materials, IBMM). In this thesis, ion beams have been used in various IBA techniques to investigate the surface nanometre structures, and also in an ion beam synthesis (IBS) technique to form thin films and to modify material properties. READ MORE

  5. 3. Hot-wall MOCVD of N-polar group-III nitride materials and high electron mobility transistor structures

    Author : Hengfang Zhang; Vanya Darakchieva; Jr-Tai Chen; Ingemar Persson; Fatemeh (Shadi) Shahedipour-Sandvik; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Nitrogen-polar; MOCVD; III-nitride; GaN; AlN; C-face SiC; HEMTs;

    Abstract : Group III-Nitride semiconductors: indium nitride (InN), gallium nitride (GaN), aluminum nitride (AlN) and their alloys continue to attract significant scientific interest due to their unique properties and diverse applications in photonic and electronic applications. Group-III nitrides have direct bandgaps which cover the entire spectral range from the infrared (InN) to the ultraviolet (GaN) and to the deep ultraviolet (AlN). READ MORE

  6. 4. Highly enantioselective synthesis of lactam and sugar derivatives by chiral aminocatalysis and merging with transition metal catalysis

    Author : Zhang Kaiheng; Armando Cordova; Malkov Andrei; Mittuniversitetet; []
    Keywords : ;

    Abstract : This thesis presented novel methodologies for enantioselectivesynthesis of highly functionalized lactam and sugar derivatives.Asymmetric organocatalysis, cooperative dual catalysis and one-pot multicomponent reaction strategies were applied for the construction of continuous and quaternary stereogenic center. READ MORE

  7. 5. Learning from Experience : The Use of Structured Video-Assisted Debriefing Among Nursing Students

    Author : Hui Zhang; Evalotte Mörelius; Wang Wenru; Elisabeth Carlson; Linköpings universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Simulation; Video-assisted debriefing; Nursing students; Debriefing experience; Reflective ability; Debriefing practice;

    Abstract : Background: Simulation enhances experiential learning through creating experience to form the basis of learning, and it has been recognized as an effective pedagogy in current health professions education. As an integral element of simulation, debriefing contributes to transforming the created experience to new knowledge. READ MORE