• Origin of ferroelectric polarization in tetragonal tungsten-bronze-type oxides 

      Olsen, Gerhard Henning; Aschauer, Ulrich; Spaldin, Nicola A.; Selbach, Sverre Magnus; Grande, Tor (Journal article; Peer reviewed, 2016)
      The origin of ferroelectric polarization in tetragonal tungsten-bronze- (TTB-) type oxide strontium barium niobate (SBN) is investigated using first-principles density functional calculations. We study in particular the ...