Sökning: "Roger Wäppling"

Hittade 3 avhandlingar innehållade orden Roger Wäppling.

1. 1. Hyperfine investigations on solid compounds of transition elements

   Författare :Roger Wäppling; Uppsala universitet; []
   Nyckelord :NATURAL SCIENCES; NATURVETENSKAP;

   Sammanfattning : .... LÄS MER

3. 2. 3d Transition Metals Studied by Mössbauer Spectroscopy

   Författare :Saeed Kamali-Moghaddam; Roger Wäppling; Lennart Häggström; Friedrich Wagner; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Physics; Mössbauer Spectroscopy; SQUID Magnetometry; XRD; Layered Structures; Magnetism; Magnetic Superlattices; Nanoparticles; Li-ion Batteries; Brass; Fysik; Physics; Fysik;

   Sammanfattning : Layered crystals with magnetic elements as Co and Fe have been studied. In TlCo2Se2, where Co atoms in one sheet are separated by Tl and Se from the next Co sheet, magnetic interaction within and between the sheets have been studied. LÄS MER

4. 3. Magnetic Heterostructures : The Effect of Compositional Modulation on Magnetic Properties

   Författare :Inna Soroka; Roger Wäppling; Björgvin Hjörvarsson; Rudolf Schäfer; Uppsala universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Materials science; Magnetism; Sputter deposition; Superlattice; Multilayers; Materialvetenskap; Materials science; Teknisk materialvetenskap;

   Sammanfattning : The effect of compositional modulation on structural and magnetic properties of magnetic heterostructures was explored. The systems under focus were ferromagnetic superlattices Fe81Ni19/Co, metal-insulator multilayers Al2O3/Ni81Fe19, nanoparticles and artificial multilayered pillars. LÄS MER