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dependence of the (1/4 1/4 0) peak at 140 K [6]. (Copyright (2003) by the American Physical Society)298  úËõ Nov. 2014 Vol.27 No.6
(C) 2014 The Japanese Society for Synchrotron Radiation ResearchÁW ¡ »ÆúËõª]ÜêÄ¢½B±Ìæ¤ÈóµºÅCMn Ì 1s ©ç 4p\úËõÅé¸kÈ\¢Ì¢E\ªâCVµ¢¨`ÉBµ½¤áðÐî·éB±±Ìzû[ÌGlM[Ì X üðp¢½¤Âd X üñÜ2)ÅÌu[NX[ÍC«qñÜÌKpªïµ¢ÌÏÌªJ­³ê½BMn Ì 1s zû[É¨¢Äd×®ñâO¹¬³È¿Åà¤Âî X üUÌå«È¤ÂøÊÉ®ñÉæÁÄ¶¶é´iq½ËÌ¤Âåª©çêCMn

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Fig. 4 ÉC(hh0)s[NÌ­xia), 2p/(s[NÌ¼lS
Fig. 2(Color online) Schematic illustration of resonant soft x­ray
scattering process. The initial state (left), the intermediate
state (middle), and the nal states (right) are shown.

jÅ¾çêéÖ·(b)Cs[NÊu(c)Ì·xÏ»ð¦·B±êç 3 ÂÌ¨ÊSÄÉ¨¢Äå«È·xqXeVXª©çêÄ¢éBs[N­xÍ~·ßöÅÍP²

úËõ Nov. 2014 Vol.27 No.6  299

Fig. 3

(Color online) Temperature dependence of the (hh0) peak. Panels (a) and (b) were measured in the heating andcooling cycles, respectively. Incident x­ray polarizations were p. All the data were taken at hn643 eV (Mn 2p3/2¨3d absorption edge). Panel (c) shows the schematic cross­sectional stacking view of a Pr0.5Ca0.5MnO3(5 layers)/La0.5Sr0.5MnO3(5 layers) superlattice. (Copyright (2014) by the IOP science)

Fig. 4(Color online) Temperature dependence of the (hh0) peak intensity (a), correlation length (b), and positions(c). In panel (d), the correlation length is plotted as a function of peak positions. (Copyright (2014) by the IOP
science)ÉÁ·éªC¸·ßöÅÍêU­µÁµ½ã¸­·

LSMO5 wÌ 1 jbgªñ30 Å Å é±Æðl¦éÆCéBs[NÊuÍ~·ßöÅÍÙÚíÉs®ÌÖWÉ

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Fig. 5\úËõÅé¸kÈ\¢Ì¢E\(Color online) Proposed real­space sketches for the multilayer at dierent temperatures. (Copyright (2014) by
the IOP science)·xÏ»Éº¤³«ÌNXI[o[Æ®/s®ÌÍlÉqÌü«ÉæÁÄ´qU·Ìå«³ªÙÈéBÚèÏíèª©çê½BêÂÌ¨¿àÅ·xÏ»Éæè 3iÊíÌ X üñÜÌêÍC´qU·ÍXJ[Å³IÆ 2 ³I¨æÑ¼ûªÏª³êÄ¢é

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Ba0.5Sr1.5Zn2Fe12O22 ÍCOû»\¢ðà¿Ciqè aæé¤ÂñÜðp¢½ 2 ³¸^À±Ìñª5.86 Å, c43.4 Å ÅpeBïÌªèèiªKvÅ

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¨ DyFe3 (BO3 )4 Ì Dy 4f lÉqJCeBÌÏ@12)JCeBÌ\¢ð¦µ½B±Ìæ¤Èç¹ñ\¢ÍÅ¨Ý¢É¾ÆÈÁÄ¨èC¢©ÈéÀiÚ®ÉæÁÄàéB¢¸êàCKirkpatrick­Baez ~[17)ðp¢Ä¿ÊuÅ¡30 mm c15 mm ÉWõ³ê½üË X üðp¢dËí¹é±ÆªÅ«È¢B

éB~Îõ X üªXsÜ½ÍlÉqÌJCeBÌ

Fig. 8 ÉÀ±ÊðÜÆßéBFe L3 ¤Âzûi710 eVj¶«ðÏ@Å«éRÍCFig. 2 É¦µ½ñÂÌ¤ÂzûÌ X üðp¢½B~ÎõÌwVeBÌÍ}üõ¹­õßöiabsorption, emissionjÉ X üÌÎõóÔª­Å§ä·éBpl(a), (b)ÍCP»ÌÙÈéêÅª­Ö^·é½ßÅèµ½ L XLÌvt@CÅéBX üÌÎõÌü«ÆXsÜ½

éB003½ËÌÜí

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èÉç¹ñ¥C\¢ÉæÁÄñ®q¯½Ëi0 0 3}ej

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é½ßC»êæèàÌhCéBÈºÈç~Îõ¤Âñ_ej­xÌ YZ ñ³XLÉæé¥CJCeBhÜÌêÍCñÜ­xÉXsJCeBÌü«ªzÉ

C\¢Ì·xÏ»ð¦µÄ¢éB(e)_(g)ÍêAÌ·Ì­xÌÏ»Í¨Ý¢ÉtÅ»êCñÂ½ËÌi0 0 3}ejÅÍCñÜÊÌªt

xðº°éßöÅsÁ½Bêx`¬³ê½hC\¢ÍÅá·ÅàÏ»ªÈ¢±Æªí©éB(h)Í(g)ÌªèãCé½ßÅ

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ÍC»ê¼ê¶ç¹ñCEç¹ñ¥C\¢ðàÁÄ¢é±Æð¦µÄ¢éBpl(c), (d)ÍC¿ð»ê¼ê YûüCZ ûüÖXLµ½ÌC·x68 K ÅÌq¯½
Ëi0 0 3_e jÌ½Ë­xÌÊÅéBñÜ­xªé`gIÉÏ»µÄ¢é±Æª©çêéB±êÍCñÜ­xª½çÉÈÁÄ¢é X üÌÆËÌæÅÍCÙÚ100÷JCFig. 6

Fig. 7
Schematic illustration of the scattering geometry. Here, ki
and kf are the propagation vectors of the incident anddiracted x rays, respectively, and u denotes the Bragg angle.
(reprinted gure with permission from Ref. 11. Copyright(2011) by the American Physical Society).

Fig. 8

Crystallographic and helimagnetic structures of Ba0.5Sr1.5Zn2
Fe12O22. (a) Crystal structure composed of alternating stacks
of S and L blocks. (b) and (c) Right­ and lefth­anded spin­chiral structures, respectively. (reprinted gure with permis­
sion from Ref. 11. Copyright (2011) by the American Physi­
cal Society).

(Color online) Results of micro­diraction for Ba0.5Sr1.5Zn2Fe12O22. (a) and (b) X­ray diraction proles of the(0 0 L) scan measured at dierent sample positions 0.6 mm distant. (c) and (d) X­ray peak intensities of reec­e) as functions of horizontal (Y) and vertical (Z) sample positions, respectively. (e)_(h) Tempera­tion (0 0 3_
ture evolution of the spin­chiral domain structure as a function of temperature. These measurements were doneusing (|) helical incident x rays at 273 K (e), 248 K (f), 198 K (g), and 47 K (h). Before the measurement at 47
K (h), the sample was heated to 330 K (TN). (adapted from Hiraoka, et al. (Ref. 11). Copyright (2011) by theAmerican Physical Society).

302  úËõ Nov. 2014 Vol.27 No.6

ÁW ¡ »ÆúËõ

Fig. 9\úËõÅé¸kÈ\¢Ì¢E\(Color online) The ve independent components of thequadrupole moment. The xyz local Cartesian coordinate isdened at each Dy ion. The positive and negative charge den­sity is represented by red and blue colours, respectively.

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Næè»EBúËõ Nov. 2014 Vol.27 No.6  305

Resonant soft x_ray diraction studies oftransition­metal compounds
Hiroki WADATI

Institute for Solid State Physics, University of Tokyo, Kashiwanoha 5_1_5,
Chiba 277_8581, Japan

Yoshikazu TANAKARIKEN SPring_8 Center, Sayo, Hyogo 679_5148, Japan

Abstract

Resonant soft x_ray diraction is a new experimental technique to study charge­, orbital­ andspin­ ordered states in transition­metal compounds. We present recent research using this tech­nique, which includes future prospects such as space­ and time­ resolved measurements.

306  úËõ Nov. 2014 Vol.27 No.6