Search for dissertations about: "piezoelectric effect"

Showing result 16 - 20 of 41 swedish dissertations containing the words piezoelectric effect.

  2. 16. Growth and characterization of SiC and GaN

    Author : Rafal Ciechonski; Erik Janzén; Sebastian Lourdudoss; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SiC; GaN; Deep level transient spectroscopy; Minority Carrier Transient Spectroscopy; Hall effect; Cathodoluminescence; Scanning electron microscopy; Atomic Force microscopy; sublimation growth; MOCVD; heterostructures; High Electron Mobility transistor; point defects; Material physics with surface physics; Materialfysik med ytfysik;

    Abstract : At present, focus of the SiC crystal growth development is on improving the crystalline quality without polytype inclusions, micropipes and the occurrence of extended defects. The purity of the grown material, as well as intentional doping must be well controlled and the processes understood. READ MORE

  4. 17. Analysis of the piezoelectric and current transport properties of zinc oxide nanostructures grown on fiber

    Author : Azam Khan; Magnus Willander; Omer Nour; Rasit Turan; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Aqueous chemical growth method; Zinc Oxide nanostructures; Textile fabric; Mechanical and Piezoelectric properties; Current-transport properties of Schottky diodes;

    Abstract : It seems that nowadays the world is becoming as a small village due to the advancement in communication devices technology. These devices are playing an important role in the wellbeing of our life as almost each and every person is utilizing at least one of these devices. READ MORE

  5. 18. Computational Studies of Poly(vinylidene fluoride)

    Author : Martin Bohlén; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; β-phase; Piezoelectricity; PVDF; Molecular modeling;

    Abstract : Poly(vinylidene fluoride) (PVDF) is a versatile material with numerous applications, both potential and realized, in many industrial sectors. The extent of applications, ranging from cable and wire products, to sensors for the monitoring of respiration and heart-rate in medicine, indicates on the level of interest the materials science community has for this material. READ MORE

  6. 19. A Theoretical Study of Piezoelectricity, Phase Stability, and Surface Diffusion in Disordered Multicomponent Nitrides

    Author : Christopher Tholander; Björn Alling; Ferenc Tasnádi; Lars Hultman; Susanne Mirbt; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Piezoelectricity; phase stability; surface diffusion; disordered multicomponent nitrides;

    Abstract : Disordered multicomponent nitride thin film can be used for various applications. The focus of this Licentiate Thesis lies on the theoretical study of piezoelectric properties, phase stability and surface diffusion in multifunctional hard coating nitrides using density functional theory (DFT). READ MORE

  7. 20. Piezoelectricity, Phase Stability, and Surface Diffusion in Multicomponent Nitrides

    Author : Christopher Tholander; Björn Alling; Lars Hultman; Ferenc Tasnádi; Liverius Lymperakis; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : The last hundred years have been full of scientific discoveries leading to technological advances, such as, computers, smart phones, etc. Most of the advances would not have been possible without new discoveries within the vast field of materials science. READ MORE