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Fig. 6

Atomic images of Te atoms from theoretical holograms with(a) disk­like and (b) sphere distribution models. s is a half
width of half maximum of the Gaussian distribution.

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éB±Ì}Sb yÑ GaSb Ì´qÅéB¼Òðärµ½ÛÌCÅ
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Fig. 7s dependences of atomic image intensities. Open and lledcircles indicate the intensities obtained disk­like and spheredistributions depicted, respectively, in Fig. 6.

Fig. 8é±Æ©çCäç¬ª±µÄ¨èC\ªÉÉaµÄ¢È¢±Æàª©éB(Color online) Atomic images of (a) In0.995Ga0.005Sb and (b) GaSb on the (004) plane. Circles indicate the ideal
atomic positions of the corresponding (a) InSb and (b) GaSb. Taken from Ref. 23.

200  úËõ July 2013 Vol.26 No.4

ðà ¡ uõ X üzOtB[ÉæéÇiqcÝÌ]¿

6.2

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ÄCV½Èm©ª¾çêéB±±ÅÍCZn0.4Mn0.6Te ð»wÊ_g¬ÉîÃ©È¢¬»ÍCå«ÈiqcÝðº¢»ð\¬µÄ¢éB»ÌiqcÝÌóÔðmé½ß¿ÆµÄIèµCZn ©çÌuõ X üzOðªèµC¾çê½´qðW¿Åé ZnTe Æärµ½BÉClXÈ¬»ÉÎµÄCX üñÜâ XAFS ÈÇÌ\¢Fig. 11 ÍCZn0.4Mn0.6Te Æ ZnTe Ì(004)ÊÌ´qÅ

]¿ªsíêÄ«½Bá¦ÎCFig. 10 ÍCó¥«¬»¼

éB±±ÅÏª³êÄ¢éÌÍCSÄ Te ÌÅèC±Ì Zn1_xMnxTe ÌiqèCZn_TeCMn_Te £±êæè a/4 ºÌÊuÉ Zn ´qª¶Ý·éBÓ[­¼

Ì Mn ZxË¶«ð¦µ½àÌÅéB±±ÅCX üñ´qðär·éÆCZn0.4Mn0.6Te É¨¯éæ 1Cæ 3C

3 a/4 ÍCxK[h¥É]¢Cæ 5 ßÚ Te ´qªCZnTe ÌàÌæèã¢±Æªª©

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Fig. 12 ÍC¡²É Zn ´q©çÌ£ðÆÁ½êÌCTe¤ÌÅCg¬ªÏ»µÄàwÇêèÅ´qÌ­xÏ»ðCZn0.4Mn0.6Te yÑ ZnTe ÉÎµÄv

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Fig. 9(Color online) The image intensities of the Sb atoms on the(004) plane in the In0.995Ga0.005Sb and the reference GaSb
crystals as a function of the distance from the central Ga
atoms, given by solid and empty circles, respectively. The
ratios of these intensities are given below the marks.

Fig. 11

Fig. 10(Color online) The concentration dependence of the nearest
neighbor distance obtained from XD (triangles) and XAFS
(circles) results for mixed crystals of Zn1_xMnxTe. Taken
from Ref. 4.

(Color online) Atomic images around the central Zn atoms on the (001) plane for Zn0.4Mn0.6Te and ZnTe. The
crosses of the dashed lines are the positions of the zinc­blende crystal structure taken from the XD data. Taken
from Ref. 4.

úËõ July 2013 Vol.26 No.4  201

Fig. 14

3D atomic images around central (a) Mn and (b) Ge atoms
for Ge0.6Mn0.4Te.

Fig. 15

Experimental (full circles) and calculated (empty circles)
intensities of anion images around (a) Mn and (b) Ge
atoms.

63¯Þ¿É¨¯écÝðàÂ/à½È¢TCg

Fig. 12 (Color online) The image intensities of Te atoms atoms in
Zn0.4Mn0.6Te (closed marks) and ZnTe (open marks). The
ratios of these intensities are given below the marks. Taken
from Ref. 4.

Fig. 13(Color online) Schematic views of the locomotive wheel
model for Zn0.4Mn0.6Te along the 110 direction. Taken from
Ref. 4.

Ge1_xMnxTe ÍCZn1_xMnxTe Æ¯¶æ¤É¬»nÌó¥«¼±ÌÅ
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Â±ÆÉæÁÄø«N±³ê½iqcÝÍC5 ÂÌð
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URL: http://crocus.sci.kumamoto­u.ac.jp/physics/SR/index.html
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1984Nsåwåw@w¤ÈmãúÛöÉPÊæ¾rÞwCwmBLåwÈwèCLåww
³öC}uNåw¨»w¤¤õCLHÆåwHw(y)³öC³öðoÄCF{åwåw@©RÈw¤È³öBúËõðp¢½¨¿Ì\¢Æ_Ci~NXÌ¤É³çÉ]B2012N 4 æè»EBðà ¡ uõ X üzOtB[ÉæéÇiqcÝÌ]¿Evaluation of local lattice distortion by
X­ray uorescence holography
Kouichi HAYASHI
Naohisa HAPPO

Institute for Materials Research, Tohoku University, Sendai 980_8577

Shinya HOSOKAWA

Department of Physics, Graduate School of Science and Technology,
Kumamoto University, Kumamoto 860_8555

Abstract

Graduate School of Information Science, Hiroshima City University,
Hiroshima 731_3194

X­ray uorescence holography is a 3D middle range local structure analysis method, which canprovide 3D atomic images around specic elements within a radius of a few nanometers. In addi­
tion to such a characteristic, the X­ray uorescence holography is sensitive to atomic uctua­
tions, and therefore it is useful for characterization of local lattice distortions. We have applied theX­ray uorescence holography to the evaluations of lattice distortions around dopants and of mix­
ed crystals. We found interesting facts that rst neighbor atoms are displaced more largely along
angular direction than radial direction and that there are distorted and undistorted sites in amaterial.

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