Symmetrical Staircase in the Profile of Lattice-Modulation Period versus Pr-Concentration in Bi_2Sr_2(Ca_<1-x>Pr_x) Cu_2O_<8+δ>

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概要

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• Variation of the lattice-zaaodtrlation period p. of the "incora?tnensurate" phaseBi3Br3(Caj .PI.)CU1208.H,5 (O $ x : 0.72) xvith Pr-cotacentration x was exataained by electron diffraction. The plot of p. verstrs x exhibits roughly a linear decrease btut it has a staircasestrtrcttrre. The period of' each stair, p., argrees xvith a valtre expected for a couaauauensturate strtrc-ttmre. XVe obserx'ed nine stairs whicla are sytaaraaetrically arranged; the centr?t1 stair correspondsto the prizaaary strtrcttrre xvith a sirraple taaodtzlation, and a stair on tlae left (or right) con-re-sponds to a strtrcttrre which is derixxed I'rotaa the prirtaary strttcttrre by introdttcing an advanced(or delayed) disconaautaenstrration. The olcserved strtmcttnres cover a ftrll range of' comnaenstrratestrtrcttrres predicted theoretically.

• 社団法人日本物理学会の論文
• 1998-09-15

著者

• Onozuka T

  Niigata Inst. Technol. Kashiwazaki Jpn

• Onozuka Takashi

  Niigata Institute Of Technology

• NIIZEKI Komajiro

  Department of Physics,Graduate School of Science,Tohoku University

• Niizeki Komajiro

  Department Of Physics Faculty Of Science Tohoku University

関連論文

• Symmetrical Staircase in the Profile of Lattice-Modulation Period versus Pr-Concentration in Bi_2Sr_2(Ca_Pr_x) Cu_2O_
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• Numerical Calculation of the Electrical Conductivity of the Anderson Model : Three-Dimensional Model
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