• Ab initio investigations of the durability of iron alloys and titanium 

      Nurmi, Eero
      Turun yliopiston julkaisuja. Sarja A I: Astronomica – Chemica – Physica – Mathematica : 605 (Turun yliopisto, 14.06.2019)
      In this ab initio work the oxidation of Fe-Cr, Fe-Al, Fe-Cr-V and Fe-Cr-Al, and the elasticity of Fe-Cr-Al alloys and titanium were investigated. The computational method used was Exact Muffin-tin Orbitals method (EMTO). ...
    • Acceleration of Solar Energetic Particles in coronal shocks through self-generated turbulence 

      Battarbee, Markus
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 475 (Turun yliopisto, 05.12.2013)
      The acceleration of solar energetic particles (SEPs) by flares and coronal mass ejections (CMEs) has been a major topic of research for the solar-terrestrial physics and geophysics communities for decades. This thesis ...
    • Activity and dust environment of comet 67P/Churyumov-Gerasimenko 

      Zaprudin, Boris
      Turun yliopiston julkaisuja. Sarja AI: Astronomica - Chemica - Physica – Mathematica : 583 (Turun yliopisto, 01.06.2018)
      Comets are scientifically interesting objects for several reasons. Comets are among the most pristine objects of the Solar System, which can give us a way to directly study the imprints of the Solar System formation ...
    • Atomic scale engineering and understanding of novel interfaces between oxide films and semiconductor crystals 

      Yasir, Muhammad
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 551 (Turun yliopisto, 04.02.2017)
      Surface properties of semiconductor crystals play a significant role in the operation of different devices like transistors, LEDs, and solar cells. For better performance of the devices, it is ...
    • Beyond the Cosmological Principle 

      Sundell, Peter
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 545 (Turun yliopisto, 14.09.2016)
      Simplifying the Einstein field equation by assuming the cosmological principle yields a set of differential equations which governs the dynamics of the universe as described in the cosmological standard model. The cosmological ...
    • Characterization of Porous Silicon Nanoparticles for Biomedical Applications 

      Kaasalainen, Martti
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 557 (Turun yliopisto, 13.05.2017)
      Porous silicon (PSi) is an intriguing material for biomedical applications because a great variation of properties can be created by adjusting fabrication parameters.Physicochemical properties, including pore size, surface ...
    • Circular Spectropolarimetric Studies of DQ White Dwarfs 

      Vornanen, Tommi
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 468 (Turun yliopisto, 28.09.2013)
      This thesis summarizes studies of a class of white dwarfs (WDs) called DQ WDs. White dwarfs are the remnants of ordinary stars like our Sun that have run out of nuclear fuel. WDs are classified according to the composition ...
    • Controlling dynamics of open quantum systems 

      Lyyra, Henri
      Turun yliopiston julkaisuja. Sarja A I: Astronomica – Chemica – Physica – Mathematica : 614 (Turun yliopisto, 05.10.2019)
      Quantum mechanics has both deepened our understanding of the physical reality and allowed development of quantum technologies beating their classical counterparts in efficiency, security, and sensitivity. As a major downside, ...
    • The Cosmic Production of Helium 

      Casagrande, Luca
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 382 (Turun yliopisto, 22.04.2008)
    • Covariant Phase Observables in Quantum Mechanics 

      Pellonpää, Juha-Pekka
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 288 (Turun yliopisto, 2002)
      The aim of this thesis is to present a solution to the quantum phase problem of the single-mode optical field. The solution is based on the use of phase shift covariant normalized positive operator measures. These measures ...
    • Detection of Illicit Drugs and Drug Precursors with Cantilever-Enhanced Photoacoustic Spectroscopy 

      Lehtinen, Jaakko
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 481 (Turun yliopisto, 18.01.2014)
      In this study, cantilever-enhanced photoacoustic spectroscopy (CEPAS) was applied in different drug detection schemes. The study was divided into two different applications: trace detection of vaporized drugs and drug ...
    • Developing Exchange-Correlation and Kinetic Energy Functional Approximations for Density Functional Theory 

      Levämäki, Henrik
      Turun yliopiston julkaisuja. Sarja AI: Astronomica – Chemica – Physica – Mathematica : 572 (Turun yliopisto, 13.01.2018)
      A nearly endless amount of technology relies on the understanding of the properties of matter and materials. Because the properties emerge from the motion of the electrons within matter, deepest and most accurate understanding ...
    • Dynamical and Chemical Structure of Galactic Halos 

      Bird, Sarah Ann
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 495 (Turun yliopisto, 18.11.2014)
      This doctoral dissertation presents studies of the formation and evolution of galaxies, through observations and simulations of galactic halos. The halo is the component of galaxies which hosts some of the oldest objects ...
    • Electroencapsulation and electrospraying of pharmaceutical materials in preparation for oral drug delivery applications 

      Roine, Jorma
      Turun yliopiston julkaisuja. Sarja A I: Astronomica - Chemica - Physica - Mathematica : 599 (Turun yliopisto, 09.02.2019)
      In bi-polar parallel nozzle electroencapsulation, two oppositely charged droplet jets are produced by electrospraying (electrostatic atomization), a method of extracting micro- or nanodroplets from a body of liquid using ...
    • Electrostatic instrumentation and measurements on powders and powder mixtures 

      Peltonen, Janne
      Turun yliopiston julkaisuja. Sarja A I: Astronomica – Chemica – Physica – Mathematica : 606 (Turun yliopisto, 25.05.2019)
      In the powder industry, such as the pharmaceutical or chemical industry, powder particles collide frequently with the surrounding surfaces and with other particles and become electrostatically charged in different processes. ...
    • Emission, kinetic and magnetic phenomena in rare-earth and transition metal doped ZnSe single crystals 

      Radevici, Ivan
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 515 (Turun yliopisto, 22.05.2015)
      In this work emission, optical, electrical and magnetic properties of the d- and f- elements doped zinc selenide crystals were investigated within a wide temperature range. Doping was performed in various technological ...
    • Enhancing the Usability of Drug Materials by Electrostatic Atomisation 

      Nyström, Maija
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 501 (Turun yliopisto, 12.11.2014)
      Electrospraying or electrostatic atomisation is a process of liquid disruption by electrostatic forces. When liquid is brought into an electric field, charge is induced to its surface. Once the repulsive electrostatic force ...
    • Environments of Acitive Galaxies 

      Lietzen, Heidi
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 447 (Turun yliopisto, 10.11.2012)
      This dissertation presents studies on the environments of active galaxies. Paper I is a case study of a cluster of galaxies containing BL Lac object RGB 1745+398. We measured the velocity dispersion, mass, and richness ...
    • Evolution and Stellar Content of AGN Host Galaxies 

      Hyvönen, Tomi
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 394 (Turun yliopisto, 09.05.2009)
      In this dissertation, Active Galactic Nuclei (AGN) and their host galaxies are discussed. Together with transitional events, such as supernovae and gamma-ray bursts, AGN are the most energetic phenomena in the Universe. ...
    • Extreme Observables and Optimal Measurements in Quantum Theory 

      Haapasalo, Erkka
      Turun yliopiston julkaisuja. Sarja AI, Chemica - Physica – Mathematica : 526 (Turun yliopisto, 21.11.2015)
      Optimization of quantum measurement processes has a pivotal role in carrying out better, more accurate or less disrupting, measurements and experiments on a quantum system. Especially, convex optimization, ...