@Article{DiazGrAbToLeSpBa:2010:MaOrTr,
               author = "Diaz, B. and Granado, Eduardo and Abramof, Eduardo and Torres, L. 
                         and Lechner, R. T. and Springholz, G. and Bauer, G.",
          affiliation = "Lab Nacl Luz Sincrotron, Caixa Postal 6192, BR-13083970 Campinas, 
                         SP, Brazil. and Univ Estadual Campinas, UNICAMP, Inst Fis Gleb 
                         Wataghin, BR-13083970 Campinas, SP, Brazil and {Instituto Nacional 
                         de Pesquisas Espaciais (INPE)} and Lab Nacl Luz Sincrotron, 
                         BR-13083970 Campinas, SP Brazil and Johannes Kepler Univ Linz, 
                         Inst Halbleiterphys, A-4040 Linz, Austria. and Johannes Kepler 
                         Univ Linz, Inst Halbleiterphys, A-4040 Linz, Austria and Johannes 
                         Kepler Univ Linz, Inst Halbleiterphys, A-4040 Linz, Austria.",
                title = "Magnetic ordering and transitions of EuSe studied by x-ray 
                         diffraction",
              journal = "Physical Review E",
                 year = "2010",
               volume = "81",
               number = "18",
                pages = "184 - 428",
                month = "May",
             keywords = "antiferromagnetic phase, neutron-diffraction, europium selenide, 
                         pressure.",
             abstract = "The magnetic phase diagram and thermal expansion of EuSe is 
                         revisited using a high-quality 3200-angstrom-thick epitaxial film 
                         grown over a (111)BaF2 substrate. Resonant magnetic x-ray 
                         diffraction experiments reveal a highly hysteretic magnetic phase 
                         diagram between 1.8 and T-N similar to 4.7 K, in which two 
                         antiferromagnetic phases with propagation vectors (k) over right 
                         arrow (I)=[(1)/(4), (1)/(4),-(1)/(4)] (represented by up arrow up 
                         arrow down arrow down arrow) and (k) over right arrow 
                         (II)=[(1)/(2),(1)/(2),-(1)/(2)](up down arrow up down arrow) are 
                         observed. In addition, a defective phase with (k) over right arrow 
                         (III)=[h, h, -h]((1)/(4)<h<(1)/(3)) competes with the up arrow up 
                         arrow down arrow down arrow phase. Details of the temperature 
                         dependence of (k) over right arrow (III) and corresponding peak 
                         widths indicate this phase is intermediate between up arrow up 
                         arrow down arrow down arrow (h=(1)/(4)) and an ideal ferrimagnetic 
                         up arrow up arrow down arrow phase (h=(1)/(3)), and may be 
                         represented by (n x up arrow up arrow down arrow+down arrow), with 
                         mean n values between 7 and 2. High-resolution x-ray diffraction 
                         experiments show unit-cell hysteretic distortions that correlate 
                         with the transitions to the different magnetic phases existing 
                         below T-N.",
                  doi = "10.1103/PhysRevB.81.184428",
                  url = "http://dx.doi.org/10.1103/PhysRevB.81.184428",
                 issn = "1539-3755",
             language = "en",
           targetfile = "dias1.pdf",
        urlaccessdate = "28 abr. 2024"
}