http://support.spring8.or.jp/Report_JSR/PDF_JSR_31A/2019A1831.pdf

2019A1831

BL19B2ᅜෆᨺᑕග᪋タᶓ᩿ ᑠゅ X ⥺ᩓ஘ࣛ࢘ࣥࢻࣟࣅࣥᐇ㦂 ࡑࡢ㸰Synchrotron Radiation Facility-Crossing Round-Robin Experimentsof Small Angle X-ray Scattering䠄䠄II䠅䠅ᒣඖ ༤Ꮚ a, ᮡᒣ ಙஅ a, ⚟ᒸ ಟ b, ኱ᆏ ᜨ୍ c, బ⸨ ┿┤ c
Hiroko Yamamotoa, Nobuyuki Sugiyamaa, Osamu Fukuokab, Keichi Osakac, Masugu Satoca

㻔බ㈈㻕⛉Ꮫᢏ⾡஺ὶ㈈ᅋ࠶࠸ࡕࢩࣥࢡࣟࢺࣟࣥගࢭࣥࢱ࣮, b 䛒䛔䛱⏘ᴗ⛉Ꮫᢏ⾡⥲ྜ䝉䞁䝍䞊,c㻔බ㈈㻕㧗㍤ᗘග⛉Ꮫ◊✲䝉䞁䝍䞊aAichi Synchrotron Center, Aichi Science & Technology Foundation,bAichi Center for Industry and Science Technology, cJASRI

ᮏ◊✲࡛ࡣࠊᑠゅ X ⥺ᩓ஘㸦Small Angle X-ray Scattering, SAXS㸧ࡢ ᐃࡀྍ⬟࡞ࣅ࣮࣒ࣛ࢖ࣥࡢᛶ⬟ࡸᐇ㦂ࣀ࢘ࣁ࢘ࢆࠊ␗࡞ࡿᨺᑕග᪋タ㛫࡛ᶓ᩿ⓗ࡟ẚ㍑᳨ウࡍࡿࡇ࡜࡟ࡼࡾࠊ࣮ࣘࢨ࣮࡟࡜ࡗ࡚ࡢࡇࢀࡽ᪋タࡢ฼౽ᛶࢆ᫂ࡽ࠿࡟ࡍࡿࡇ࡜ࢆ┠ᣦࡋ࡚࠸ࡿࠋ௒ᅇࡢᐇ㦂࡛ࡣࠊX ⥺ᩓ஘᩿㠃✚䛜኱䛝䛟␗䛺䜛㔠ࢥࣟ࢖ࢻ⁐ᾮ࡜࣏ࣜࢫࢳࣞࣥᚤ⢏Ꮚศᩓᾮࢆヨᩱ࡟⏝࠸ࠊ␗࡞ࡿ⁐ᾮ䝉䝹䛾❆ᮦ䜔䜻䝱䝢䝷䝸䞊䛜 SAXS 䝕䞊䝍䛻୚䛘䜛ᙳ㡪䜢ᐃ㔞ⓗ䛻ホ౯䛩䜛䜉䛟䚸SPring-8 ࡢ BL19B2 ࡟࠾࠸࡚ SAXS ᐃࢆ⾜ࡗࡓࠋࡑࡢ⤖ᯝࢆࠊ࠶࠸ࡕࢩࣥࢡࣟࢺࣟࣥගࢭࣥࢱ࣮BL8S3 ࡢࢹ࣮ࢱ࡜ẚ㍑᳨
ウࡍࡿࡇ࡜࡛ࠊヨᩱ❆ᮦࡀࢹ࣮ࢱ࡟ཬࡰࡍᙳ㡪ࡸධᑕ X ⥺࢚ࢿࣝࢠ࣮ࡢຠᯝࢆ᫂ࡽ࠿࡟ࡋࠊྛ᪋タ࡟࠾ࡅࡿ᭱㐺 ᐃ᮲௳ࢆぢฟࡍࡇ࡜ࢆ┠ᣦࡋࡓࠋ௒ᅇࡢᐇ㦂᮲௳࡛ࡣࠊ❆ᮦ࡜ࡋ࡚ࢫ࣌ࣜ࢜ࠊ࣐࢖࢝ࡀ㐺ࡋࠊࡲࡓ࢟ࣕࣆ࣮ࣛࣜ࡟ࡣ▼ⱥ〇ᡈ࠸ࡣ࣎ࣟࢩࣜࢣ࣮ࢺ〇ࡀ㐺ࡍࡿࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋࡓࠋ୍᪉࡛ࠊ⮬స⁐ᾮࢭࣝࡢග㊰㛗ࡤࡽࡘࡁ࡟ࡘ࠸࡚ࡢၥ㢟Ⅼࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋ࣮࣮࢟࣡ࢻ㸸 ᑠゅ X ⥺ᩓ஘ࠊᨺᑕග᪋タᶓ᩿ࠊࣛ࢘ࣥࢻࣟࣅࣥࠊ㔠ࢥࣟ࢖ࢻ⁐ᾮࠊ࣏ࣜࢫࢳࣞࣥᚤ⢏Ꮚศᩓᾮ⫼ᬒ࡜◊✲┠ⓗ㸸
ᑠゅ X ⥺ᩓ஘㸦SAXS㸧ࡣࠊ10ࠥ100 nm ࣮࢜ࢲ࣮ࡢẚ㍑ⓗ኱ࡁ࡞ᵓ㐀యࡢ㞟ྜ≧ែࢆゎ᫂ࡍࡿࡓࡵ࡟᭷ຠ࡛࠶ࡿࡀࠊᚲせ࡞ᩓ஘ࡀࣅ࣮࣒ࢫࢺࢵࣃ࣮ࡢ㏆ഐ࡟఩⨨ࡍࡿࡓࡵࠊࡑࡢᩓ஘ࢹ࣮ࢱࢆዴఱ࡟⢭ᗘࡼࡃᚓࡿ࠿ࡀ㔜せ࡞ㄢ㢟࡜࡞ࡿࠋ࠶࠸ࡕࢩࣥࢡࣟࢺࣟࣥගࢭࣥࢱ࣮࡜ JASRI ࡟ᡤᒓࡍࡿᡃࠎࡣࠊ2018A ᮇ࡟ࠊࠕᅜෆᨺᑕග᪋タᶓ᩿ X ⥺ᑠゅᩓ஘ࣛ࢘ࣥࢻࣟࣅࣥᐇ㦂㸦ㄢ㢟␒ྕ
2018A1799㸧ࠖ[1]࠾ࡼࡧࠊ࠶࠸ࡕࢩࣥࢡࣟࢺࣟࣥගࢭࣥࢱ࣮࡟࠾ࡅࡿᐇ㦂㸦ㄢ㢟 201804060㸪
201806092㸧[2]ࢆᐇ᪋ࡍࡿࡇ࡜࡟ࡼࡗ࡚ࠊSPring-8 BL19B2 ࡜࠶࠸ࡕࢩࣥࢡࣟࢺࣟࣥගࢭࣥࢱ࣮
BL8S3 ࡟࠾ࡅࡿ⿦⨨ࡢࢲ࢖ࢼ࣑ࢵࢡࣞࣥࢪࡸἼᩘศゎ⬟ࠊࣂࢵࢡࢢࣛ࢘ࣥࢻࡢᙳ㡪➼࡟ࡘ࠸࡚ࡢ
ඹ㏻Ⅼࡸ┦㐪Ⅼࢆ᳨ウࡋ࡚ࡁࡓࠋࡑࡢ⤖ᯝࠊἼᩘศゎ⬟࡟ࡘ࠸࡚ࡣ୧᪋タ㛫࡛㝿❧ࡗࡓᕪࡣࡳࡽࢀ࡞࠸ࡶࡢࡢࠊヨᩱ⃰ᗘࡢ᳨ฟୗ㝈್࡟ࡘ࠸࡚ࡣࠊ⤯ᑐᙉᗘ᥮⟬࡛ BL19B2 ࡀ 0.001 cm²/cm³ࠊBL8S3
ࡀ 0.01 cm²/cm³࡜ࠊ୍᱆␗࡞ࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋࡋ࠿ࡋ࡞ࡀࡽࠊ ᐃ᫬ࡢヨᩱࢭࣝࡸ❆ᮦ࡞
࡝ࡀ SAXS ࢹ࣮ࢱ࡟ཬࡰࡍࣉࣛࢡࢸ࢕࢝ࣝ࡞ᢏ⾡ୖࡢၥ㢟Ⅼ࡟ࡘ࠸࡚ࡣ᳨ウ࡟⮳ࡽ࡞࠿ࡗࡓࠋ
௒ᅇࡢᐇ㦂࡛ࡣࠊ๓ᅇ࡜ྠࡌࡃ㔠ࢥࣟ࢖ࢻỈ⁐ᾮࢆᑐ㇟࡜ࡋࠊ❆ᮦࡢ␗࡞ࡿᖹᯈヨᩱࢭࣝࡸ࢟
ࣕࣆ࣮ࣛࣜࡀ SAXS ࣂࢵࢡࢢࣛ࢘ࣥࢻ࡟୚࠼ࡿᙳ㡪ࠊධᑕ X ⥺࢚ࢿࣝࢠ࣮ࡢຠᯝ࡞࡝ࢆ୧᪋タ࡟᳨࡚ウẚ㍑ࡍࡿࡇ࡜࡛ࠊྛ᪋タ࡟࠾ࡅࡿ᭱㐺 ᐃ᮲௳ࢆぢฟࡍࡇ࡜ࢆ┠ᣦࡋࡓࠋࡲࡓࠊᵝࠎࡢ⢏Ꮚᚄศᕸࢆ᭷ࡍࡿ㧗ศᏊᚤ⢏Ꮚศᩓᾮࢆヨᩱ࡜ࡋࡓ SAXS ᐃࡶ⾜࠸ࠊX ⥺㏱㐣⋡ࡢ኱ࡁࡃ␗࡞ࡿ୧ヨᩱ⣔࡛ࡢ SAXS ࢹ࣮ࢱࢆేࡏࡿࡇ࡜࡛ࠊ୧᪋タࡢ≉ᚩࢆࡼࡾ᫂░໬ࡉࡏࡿࡇ࡜ࢆヨࡳࡓࠋࡇࢀࡽࡢゎᯒ⤖ᯝࡣࠊ୧᪋タ࡟࠾ࡅࡿ࣮ࣘࢨ࣮ࡢࢽ࣮ࢬ࡟ᑐࡍࡿ㐺ษ࡞᝟ሗࢆᥦ౪ࡍࡿ࡜࡜ࡶ࡟ࠊ
࣮ࣘࢨ࣮฼⏝ಁ㐍࡟ࡶ⧅ࡀࡿ࡜⪃࠼࡚࠸ࡿࠋᐇ㦂㸸ᐇ㦂ࡣࠊSPring-8 ࡢ BL19B2 ࣅ࣮࣒ࣛ࢖ࣥ࡟࠾࠸࡚⾜ࡗࡓࠋヨᩱ࡟ࡣᑠゅᩓ஘ ᐃࡢ௦⾲ⓗᶆ‽ヨᩱ࡛࠶ࡿ㔠ࢥࣟ࢖ࢻ⁐ᾮ㸦ᖹᆒ⢏Ꮚᚄ 20ࠊ30 nmࠊSigma-Aldrich ♫〇㸧࠾ࡼࡧࠊ࣏ࣜࢫࢳࣞ䠉㻝㻢㻜䠉ࣥᚤ⢏Ꮚศᩓᾮ㸦ᖹᆒ⢏Ꮚᚄ 30ࠊ50 nmࠊThermo Fisher Scientific ♫〇㸧ࢆ⏝࠸ࡓࠋヨᩱࢭࣝࡢ❆ᮦ࡜ࡋ࡚ࡣ࣏ࣜ࢖࣑ࢻ㸦ၟᶆྡ㸸Kaptonࠊ7.5ࠊ12.5 ȝm㸧ࠊ ࣏࢚ࣜࢫࢸࣝ㸦ၟᶆྡ㸸Mylarࠊ12.0ࠊ
25.0 ȝm㸧ࠊ࣏࢚࣮ࣜࢸࣝ࢖࣑ࢻ㸦ၟᶆྡ㸸SUPERIO-UTࠊ25.0ࠊ38.0ࠊ100.0 ȝm㸧ࠊ࣐࢖࢝㸦20.0 ȝm㸧ࢆ౑⏝ࡋࡓ㸦௨ᚋࠊ❆ᮦࡣၟᶆྡ࡛グ㍕㸧ࠋࢭࣝ࡟ࡣ BL19B2 ഛ࠼௜ࡅࡢ⁐ᾮࢭࣝ䠄100 ȝm ࢫ࣌ࣜ࢜⭷ࠊග㊰㛗 3 mm䠅ࠊࡲࡓࡣ 1 mm ཌࡢ㔠ᒓ࣡ࢵࢩ࣮ࣕ࠶ࡿ࠸ࡣ 3 mm ཌࡢ㔠ᒓࢼࢵࢺࡢ୧㠃࡟❆ᮦࢆ㈞ࡾ௜ࡅࠊࡑࡢෆഃ࡟ヨᩱࢆࢧࣥࢻ࢖ࢵࢳࡋࡓࡶࡢࢆ⏝࠸ࡓࠋ࢞ࣛࢫ࢟ࣕࣆ࣮ࣛࣜ㸦⟶ᚄ
2 mm㸧࡟ࡣࠊࣜࣥࢹ࣐ࣥࠊ▼ⱥࠊࢯ࣮ࢲ࢞ࣛࢫࠊ࣎ࣟࢩࣜࢣ࣮ࢺࡢ 4 ✀ࢆ⏝࠸ࡓࠋࡇ࠺ࡋ࡚⏝ពࡋࡓヨᩱࢭࣝ࡜❆ᮦࠊヨᩱ࡜ࡢ⤌ࡳྜࢃࡏࡣ඲㒊࡛ 96 ✀㢮࡟ࡶ࡞ࡗࡓࠋ᳨ウヨᩱࡀ㠀ᖖ࡟ከ࠿ࡗ
ࡓࡢ࡛ࠊࡇࢀࡽࡍ࡭࡚ࡢ⁐ᾮࢭࣝ࠾ࡼࡧ✵ࢭࣝࢆ BL19B2 ᦚ㍕ࡢ⮬ື ᐃࣟ࣎ࢵࢺ࡟ࢭࢵࢺࡋࠊ㐃⥆ⓗ࡟ ᐃࢆ⾜ࡗࡓࠋධᑕ X ⥺࢚ࢿࣝࢠ࣮ࡣ 18 keV ࠾ࡼࡧ 24 keVࠊ࣓࢝ࣛ㛗 3043.0 mmࠊ᳨ฟჾ࡟ࡣ PILATUS 2M 䜢⏝䛔ࡓࠋ๓ᅇ䚸BL19B2 䛷 ᐃ䛧䛯㔠䝁䝻䜲䝗⁐ᾮ䛾㟢ග᫬㛫䛿 60 ⛊䛷䛒䛳䛯䛜䚸௒ᅇ䚸䝫䝸䝇䝏䝺䞁ᚤ⢏Ꮚศᩓᾮ䛾ᩓ஘ᙉᗘ䛜䛛䛺䜚ప䛛䛳䛯䛣䛸䜢⪃៖䛧䚸䛩䜉䛶䛾䝕䞊䝍䛻䛴䛔䛶 300 ⛊㛫㟢ග䜢⾜䛳䛯䚹⤖ᯝ࠾ࡼࡧ⪃ᐹ㸸࣭ᩓ஘ᙉᗘ⿵ṇPILATUS 2M 䛷 ᐃࡋࡓ஧ḟඖ SAXS ࣃࢱ࣮ࣥࢆ඲⎔✚ศ࡟ࡼࡗ୍࡚ḟඖ໬ࡋࠊࡑࡢᩓ஘ᙉᗘ, ࢆ㏱㐣⋡䠄7 = ,1 / ,0 䠅ࠊ㟢ග᫬㛫 Wࠊᶆ‽ヨᩱࢢࣛࢵࢩ࣮࣮࢝࣎ࣥ ᐃ᫬ࡢධᑕᙉᗘࢆ⏝࠸࡚ࠊḟࡢࡼ࠺࡟⿵ṇࡋࡓ[3]ࠋࢥࣟ࢖ࢻ⁐ᾮ࡟⏝࠸࡚࠸ࡿ⁐፹࡟ࡘ࠸࡚ࡶ SAXS ࢆ ᐃࡋࡓࡀࠊ⁐፹ ᐃ᫬ࡢࢭࣝࡣ㔠ࢥࣟ࢖ࢻ⁐ᾮ ᐃ᫬ࡢࢭࣝ࡜␗࡞ࡗࡓࡓࡵࠊ᭱⤊ⓗ࡞඲యᙉᗘࢹ࣮ࢱࢆᚓࡿ࡟ࡣḟࡢࡼ࠺࡞ࣉࣟࢭࢫࢆ⤒ࡓࠋ✵ࢭࣝࡢᩓ஘ᙉᗘࡣࠊ10 ⛊㛫㟢ගࡢ✵Ẽᩓ஘ ,air ࢆ⏝࠸࡚⿵ṇࡋࡓࠋヨᩱ㸦ࢥࣟ࢖ࢻ⁐ᾮ㸧⿵ṇձ⿵ṇղ௦௦௦௦‫ܫ‬ௌ௢௟௡ = {[(, soln(obs)/ܶௌ௢௟௡‫ݐ‬ௌ௢௟௡)(‫ீͲܫ‬஼ /‫Ͳܫ‬௦௢௟௡)]㸫[ሺ‫ ܫ‬௘ (obs)/ܶ ௘ ‫ ݐ‬௘ )(‫ீͲܫ‬஼ /‫Ͳܫ‬௘ )]}/݀ௌ௢௟௡⁐፹௦௦௦௦‫ܫ‬ௌ௢௟௩ = {[(, solv(obs)/ܶௌ௢௟௩‫ݐ‬ௌ௢௟௩) (‫ீͲܫ‬஼ /‫Ͳܫ‬௦௢௟௩)]㸫[(‫ ܫ‬௘ (obs)/ܶ ௘ ‫ ݐ‬௘ )(‫ீͲܫ‬஼ /‫Ͳܫ‬௘ )]}/݀ௌ௢௟௩

㔠ࢥࣟ࢖ࢻ࠿ࡽࡢᩓ஘⿵ṇ⿵ṇ ‫ܫ‬஺௨ࢥࣟ࢖ࢻ (⿵ṇ) = ‫ܫ‬ௌ௢௟௡ 㸫 ‫ܫ‬ௌ௢௟௩ճ✵ࢭࣝࡢᩓ஘‫ܫ‬௘௠௣௧௬ (⿵ṇ) = {[(‫ ܫ‬௘ (obs)/ܶ ௘ ‫ ݐ‬௘ )(‫ீͲܫ‬஼ /‫Ͳܫ‬௘ )]㸫[(‫ ܫ‬௔௜௥ (obs)/ܶ ௔௜௥ ‫ ݐ‬௔௜௥ ) (‫ீͲܫ‬஼ /‫Ͳܫ‬௔௜௥ )]}/݀௙௜௟௠ մ࣭❆ᮦࡢẚ㍑ ධᑕ࢚ࢿࣝࢠ࣮18 keV ࡛ࠊ❆ᮦ࡟࢝ࣉࢺ
ࣥࠊࢫ࣌ࣜ࢜ࠊ࣐࢖࢝ࢆ⏝࠸ࡓ᫬ࡢග㊰㛗 1mm ࠾ࡼࡧ 3 mm ࡢ✵ࢭࣝࡢẚ㍑ࢆ⾜ࡗࡓ㸦ᅗ1㸧ࠋᩓ஘ᙉᗘࡣࠊୖグմᘧࢆ⏝࠸࡚⿵ṇࡋࡓࠋ௒ᅇ⏝࠸ࡓ࣐࢖࣮ࣛ⭷ࡣ࣓ࣛࣛࡢ㓄ྥࡀぢࡽࢀࡓࡓࡵ❆ᮦ࡜ࡋ࡚㐺ࡉࡎࠊᅗ࠿ࡽ㝖እࡋ࡚࠸ࡿࠋᙉᗘ⿵ṇࡋࡓ࡟ࡶ㛵ࢃࡽࡎࠊྠࡌ❆ᮦ࡛ᙉᗘ࡟㐪࠸ࡀࡳࡽࢀࡿࡢࡣࠊ❆ᮦࡢ⭷ཌࡀᆒ୍࡛ࡣ࡞࠸ࡇ࡜࡟㉳ᅉࡋ࡚࠸ࡿࡢ࠿ࡶ
ࡋࢀ࡞࠸ࠋ୍᪉ࠊࡇࢀࡽࡢᙉᗘࡢ㐪࠸ࢆຍ࿡ࡋ࡚ࡶࠊࢫ࣌ࣜ࢜ࠊ࣐࢖࢝ࡢᩓ஘ᙉᗘࡣࠊ࢝
ࣉࢺࣥ࡜ẚ࡭࡚࠾ࡼࡑ୍᱆ప࠸ࠋࡲࡓࠊ࢝ࣉ
ࢺࣥࡣ T = 0.5 nm-1 ࢆ୰ᚰ࡟ࣈ࣮ࣟࢻ࡞ᩓ஘ࡀฟ࡚࠸ࡿࡢ࡟ᑐࡋࠊࢫ࣌ࣜ࢜ࠊ࣐࢖࡛࢝ࡣྠ㡿ᇦ࡟┠❧ࡗࡓᩓ஘ࡣ࡞࠸ࡇ࡜ࡶ฼Ⅼ࡛ᅗ 1㸬 ❆ᮦࡀ␗࡞ࡿ✵ࢭࣝࡢ X ⥺ᩓ஘ࣉࣟࣇ࢓࠶ࡿࠋᩓ஘ᙉᗘࡔࡅ࡛ẚ㍑ࡍࡿ࡜࣐࢖࢝ࡀ❆࢖ࣝᮦ࡜ࡋ࡚᭱ࡶ㐺ࡋ࡚࠸ࡿࡀࠊ๭ࢀࡸࡍ࠸ࡓࡵ䠉㻝㻢㻝䠉ྲྀᢅ࠸ࡀࡸࡸᅔ㞴࡛ࠊᆒ୍࡞⭷ཌࡀᚓࡽࢀ࡟ࡃ࠸ࠋࡲࡓ㧗౯࡛࠶ࡿࠋ୍᪉ࠊࢫ࣌ࣜ࢜ࡣࣂࢵࢡࢢࣛ࢘ࣥࢻࡢపࡉࠊྲྀࡾᢅ࠸ࡸࡍ࠸ࡉࡢ୧㠃ࢆഛ࠼࡚࠾ࡾඃࢀࡓ❆ᮦ࡜࠸࠼ࡿࠋ࣭㔠ࢥࣟ࢖ࢻ⁐ᾮ ᐃ࡟࠾ࡅࡿࢭࣝࡢẚ㍑
 ⢏Ꮚᚄ 30 nm 㔠ࢥࣟ࢖ࢻỈ⁐ᾮࢆ࢝ࣉࢺࣥࠊࢫ࣌ࣜ࢜ࠊ࣐࢖࢝❆ᮦࡢ⁐ᾮࢭࣝ࡟ࡑࢀࡒࢀධࢀ
࡚ SAXS ᐃࢆ⾜࠸ࠊ๓㏙ࡢձ㹼ճᘧ࡟ᚑࡗ࡚ᩓ஘ᙉᗘࢆ⿵ṇࡋࡓࠋᮏ᮶ճᘧ࡛ᚓࡽࢀࡓ ,䠄⿵ṇ䠅ࢆ T ࡟ᑐࡋ࡚ࣉࣟࢵࢺࡍࡿ࡜ࠊࢭࣝෆࡢヨᩱ⁐ᾮ࠿ࡽࡢ❆ᮦ࡟㛵ಀ࡞ࡃྠ୍ࡢᩓ஘ࣃࢱ࣮ࣥࡀᚓࡽࢀࡿࡣࡎ࡛࠶ࡿࠋࡋ࠿ࡋᐇ㝿࡟ࡣࠊྛࢭࣝ࡟ࡼࡗ࡚ᩓ஘ᙉᗘࡀ␗࡞ࡾࠊࡲࡓ❆ᮦࡢ✀㢮࡟ࡼࡿഴྥ࡞࡝ࡶ඲ࡃࡳࡽࢀ࡞࠿ࡗࡓࠋࡇࢀࡽࡢཎᅉ࡜ࡋ࡚ࠊ㸯ࡘ㸯ࡘࡢࢭࣝࡈ࡜࡟᭷ຠග㊰㛗ࡀ␗࡞ࡗ࡚࠸ࡿྍ⬟ᛶࡀ㧗࠸ࠋᮏ ᐃ࡛ࡣࠊ1 mm ཌ࣡ࢵࢩ࣮ࣕ࠶ࡿ࠸ࡣ 3 mm ཌࡢ㔠ᒓࢼࢵࢺࡢ୧㠃࡟᥋╔๣࡛❆ᮦࢆ㈞ࡾ௜ࡅࠊࡑࡢෆഃ࡟ヨᩱࢆᑒධࡋࡓࠋග㊰㛗ࡣ࣡ࢵࢩ࣮ࣕ࡞ࡽ 1 mmࠊࢼࢵࢺࡢ
ሙྜ 3 mm ࡜ࡋ࡚ᙉᗘ⿵ṇࢆ⾜ࡗࡓࡀࠊ᥋╔๣ࡢཌࡳࡸ୙ᆒ୍ᛶࠊ⁐ᾮヨᩱᑒධࡢ≧ែ࡟ࡼࡗ࡚
ࡶ᭷ຠග㊰㛗ࡣᐜ᫆࡟ኚࢃࡗ࡚ࡃࡿ࡜⪃࠼ࡽࢀࡿࠋᐇ㝿ࠊ๓ᅇࡢࣛ࢘ࣥࢻࣟࣅࣥᐇ㦂࡛ࡣྠ୍ࡢ
⁐ᾮࢭࣝࡔࡅࢆ⏝࠸ࠊ୰㌟ࢆධࢀ᭰࠼࡚ ᐃࢆ⧞ࡾ㏉ࡋࡓࠋ␗࡞ࡿ⃰ᗘࡢ㔠ࢥࣟ࢖ࢻ⁐ᾮ࡟ࡘ࠸࡚ࠊ⿵ṇᚋࡢࢹ࣮ࢱࢆࣉࣟࢵࢺࡋࡓ࡜ࡇࢁࠊゎᯒྍ⬟࡞⃰ᗘ㡿ᇦ࡛ࡣࠊࡍ࡭࡚࣮࣋ࢫࣛ࢖ࣥࡀᥞ
ࡗࡓ⤖ᯝ࡜࡞ࡗࡓ[1]ࠋࡘࡲࡾࠊᐃ㔞ⓗ࡞ゎᯒࢆ⾜࠺ሙྜࠊྠ୍ࡢ⁐ᾮࢭࣝࢆ⏝࠸࡚ ᐃࢆ⾜࠺ࡇ࡜ࡣᚲせ୙ྍḞ࡛࠶ࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋ࣡ࢵࢩ࣮࡛ࣕ⁐ᾮࢭࣝࢆ⮬సࡍࡿ᪉ἲࡣࠊ⁐ᾮࡸ㧗⢓ᗘヨᩱࢆ኱㔞࡟ ᐃࡍࡿሙྜࠊ஦๓࡟ࣅ࣮࣒ࣛ࢖ࣥ௨እࡢሙᡤ࡛‽ഛࡀ࡛ࡁࠊᏳ౯࡛స〇ࡀᐜ᫆࡞࡝ࡢ฼Ⅼࡶ࠶ࡿࠋ ᐃࡢ┠ⓗ࡟ᛂࡌ࡚ ᐃᡭἲࡶ౑࠸ศࡅࡿࡇ࡜ࡀᚲせ࡛࠶ࡿࠋ࣭࣏ࣜࢫࢳࣞࣥᚤ⢏Ꮚศᩓᾮ ᐃ࡟࠾ࡅࡿࢭࣝࡢẚ㍑
 ⢏Ꮚᚄ 30 nmࠊ50 nm ࡢ࣏ࣜࢫࢳࣞࣥᚤ⢏Ꮚศᩓᾮ࡟ࡘ࠸࡚ࡶࠊ㔠ࢥࣟ࢖ࢻỈ⁐ᾮ࡜ྠᵝ࡟ࠊྛ✀❆ᮦࢆ 1 mm ཌ࣡ࢵࢩ࣮ࣕࠊ3 mm ཌࢼࢵࢺ࡟㈞ࡾ௜ࡅࡓ୰࡟ᑒධࡋ࡚ SAXS ᐃࢆ⾜ࡗࡓࠋ30nm ヨᩱࡢࢹ࣮ࢱࡣࠊ୍ḟࣆ࣮ࢡࡢᩓ஘࣋ࢡࢺࣝࡀィ⟬ࣉࣟࣇ࢓࢖ࣝ࡜࡯ࡰ୍⮴ࡋࡓࡀࠊ50 nm ࡢヨᩱࡢᩓ஘᭤⥺ࡣண᝿ࡉࢀࡿィ⟬⤖ᯝࡼࡾ࠿࡞ࡾࣈ࣮ࣟࢻ࡛ࠊจ㞟ࡀண᝿ࡉࢀࡿࣉࣟࣇ࢓࢖ࣝࡀᚓࡽࢀࡓࠋ࡞࠾ࠊࡇࡢ⣔࡟࠾࠸࡚ࡶࠊග㊰㛗ࡢࡤࡽࡘࡁ࡟㉳ᅉࡍࡿ࡜⪃࠼ࡽࢀࡿ࣮࣋ࢫࣛ࢖ࣥࡢᦂࡽࡂࡀㄆࡵࡽࢀ㸪௒ᚋࡢㄢ㢟࡛࠶ࡿࠋ࣭࢟ࣕࣆ࣮ࣛࣜࡢẚ㍑
 ✵ࡢ࢞ࣛࢫ࢟ࣕࣆ࣮ࣛࣜ㸲✀㸦ࣜࣥࢹ࣐ࣥࠊ▼ⱥࠊࢯ࣮ࢲ࢞ࣛࢫࠊ࣎ࣟࢩࣜࢣ࣮ࢺ㸧࡟ࡘ࠸࡚ SAXS ᐃࡋ⿵ṇࡢୖࣉࣟࢵࢺࡋࡓ㸦ᅗ2㸧ࠋཌࡳࡣබ⛠್ 10 ȝm ࢆ⏝࠸ࡓࠋᩓ஘ᙉᗘࡀ᭱ࡶప࠸▼ⱥࡸ࣎ࣟࢩࣜࢣ࣮ࢺ࢞ࣛࢫ࡟ẚ࡭࡚ࠊࣜࣥࢹ࣐ࣥ࢞ࣛࢫࡣ㸰᱆௨ୖᙉᗘࡀ㧗
࠸ࠋᑠゅᩓ஘ ᐃ࡟⏝࠸ࡿ࢟ࣕࣆ࣮ࣛࣜ࡜ࡋ
࡚ࡣࠊ▼ⱥࡸ࣎ࣟࢩࣜࢣ࣮ࢺࡀ㐺ࡋ࡚࠾ࡾࠊ୍᪉࡛ࣜࣥࢹ࣐ࣥ࢞ࣛࢫࡣ୙ྥࡁ࡛࠶ࡿࡇ࡜ࢆ᫂☜໬ࡋࡓࠋ⟶ᚄ 2 mm ࡢ࢟ࣕࣆ࣮ࣛࣜࢆ⏝࠸ࡓࡀࠊࡑࡢ኱ࡁࡉ࡟ࡣಶయᕪࡀ࠶ࡾࠊࡇࡢ⣔࡛ࡶග㊰㛗ࡀၥ㢟࡟࡞ࡿࡇ࡜ࡀ᫂ࡽ࠿࡟࡞ࡗࡓࠋᑡ࡞ࡃ࡜ࡶࣂࢵࢡࢢࣛ࢘ࣥࢻࢆṇ☜࡟ᕪࡋᘬࡃࡓࡵ࡟ࠊ✵ࡢ࢟ࣕࣆ࣮ࣛࣜ ᐃᚋࠊヨᩱࢆධࢀ࡚ ᐃࡍࡿࡇ࡜ࡀᚲせ࡛࠶ࡿࠋᅗ 2㸬✵࢟ࣕࣆ࣮ࣛࣜࡢ X ⥺ᩓ஘ࣉࣟࣇ࢓࢖ཧ⪃ᩥ⊩:[1] ᮡᒣಙஅ ௚ࠊᨺᑕග᪋タᶓ᩿ㄢ㢟ᐇ᪋ሗ࿌᭩䠄2018A䠅, 2018A1799.
[2] ᮡᒣಙஅ ௚ࠊ࠶࠸ࡕࢩࣥࢡࣟࢺࣟࣥගࢭࣥࢱ࣮2018 ᖺᗘබඹ฼⏝➼ᡂᯝሗ࿌᭩䠄2019䠅,201804060.
[3] 㧗ศᏊᏛ఍⦅ࠊ ᪂㧗ศᏊᐇ㦂Ꮫ 6 㧗ศᏊࡢᵓ㐀䠄2䠅 ᩓ஘ᐇ㦂࡜ᙧែほᐹ ඹ❧ฟ∧䠄1997䠅.

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