One-Dimensional Antiphase Domain Structures in the Aluminum-Rich Al-Ti Alloys

スポンサーリンク

概要

• 論文の詳細を見る

• One-dimensional antiphase structures with average domain sizes of non-integral multiples (M=1.33-1.91) of the basic Ll_2 cell, existing in the Al_<3-x>Ti_<1+x>(0<x<1/3), have been studied by high-resolution electron microscopy and X-ray powder diffraction. The mixing mode of M=1 and M=2 domains is revealed and the nature of lattice modulation associated with an antiphase structure is clarified. Ti atoms and Al-rich "statistical" atoms bordering on the antiphase boundaries are displaced away from and towards the boundary, respectively. The amounts of displacement are estimated on the basis of X-ray intensities. It is revealed that the Al_2Ti appearing in the Al_<3-x>Ti_<1+x> contains a small amount of Ga_2Zr-type modification in the form of faulted zones within a matrix Ga_2Hf-type structure. The nature of displacement modulation existing in the stoichiometric Al_2Ti is also clarified.

• 社団法人応用物理学会の論文
• 1986-12-20

著者

• MIIDA Rokuro

  Department of Physics, Faculty of Science, Tohoku University

• Miida Rokuro

  Department Of Physics Faculty Of Science Tohoku University

関連論文

• A Modulated Structure in a Fluorite-Type Fast-Ion-Conductor δ-(Bi_2O_3)_(Nb_2O_5)_x
• New Type of A_5B_3 Structure in Al-Ti and Ga-Ti Systems; Al_5Ti_3 and Ga_5Ti_3
• Long-Period Structures of the III_b-IV_a Alloys near Composition A_3B
• Structure of Very Thin Evaporated Films of Cobalt
• Long-Period Antiphase Domain Structures of Al-Ti Alloys near Composition Al_3Ti
• One-Dimensional Antiphase Domain Structures in the Aluminum-Rich Al-Ti Alloys

スポンサーリンク