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Reaction Crystallization Field to Control Crystal Characteristics

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(1)

᪩✄⏣኱Ꮫ኱Ꮫ㝔 ඛ㐍⌮ᕤᏛ◊✲⛉

༤㻌 ኈ㻌 ㄽ㻌 ᩥ㻌 ᴫ㻌 せ

ㄽ ᩥ 㢟 ┠

Reaction Crystallization Field to Control Crystal Characteristics

⤖ᬗ≉ᛶࢆไᚚࡍࡿࡓࡵࡢ཯ᛂᬗᯒሙ

⏦ ㄳ ⪅

Mikiyasu INOUE

஭ୖ ᖿᗣ

ᛂ⏝໬Ꮫᑓᨷ ໬ᏛᕤᏛ◊✲

2013 ᖺ 1 2 ᭶

(2)

No.1

཯ ᛂ ᬗ ᯒ ࡣ ᾮ ┦ ἲ ࡢ ୍ ✀ ࡛ ࠶ ࡾ ࠊ ᾮ య ཎ ᩱ ࢆ ΰ ྜ ࠊ ཯ ᛂ ࡉ ࡏ ࡚ ⤖ ᬗ 〇 ရ ࢆ ᚓ ࡿ ᪉ ἲ ࡛ ࠶ ࡿ ࠋ ཯ ᛂ ᬗ ᯒ ࡣ ࠊ ཯ ᛂ ࡟ ࡼ ࡾ ⏕ ࡌ ࡿ 㐣 㣬 ࿴ ࡟ ࡼ ࡾ ⤖ ᬗ ໬ ࡀ ᛴ ㏿ ࡟ 㐍 ࡴ ࡜

࠸ ࠺ 㛗 ᡤ ࡀ ࠶ ࡿ ୍ ᪉ ࠊ ᰾ ໬ ࣭ ᡂ 㛗 ࡢ ไ ᚚ ࡀ ᅔ 㞴 ࡛ ࠶ ࡾ ࠊ ⢏ Ꮚ ࡀ จ 㞟 ࡋ ࡸ ࡍ ࠸ ࡜ ࠸

࠺ ၥ 㢟 Ⅼ ࢆ ᢪ ࠼ ࡚ ࠸ ࡿ ࠋ

ᮏ ◊ ✲ ࡛ ࡣ ࠊ ᰾ Ⓨ ⏕ ࡜ ⤖ ᬗ ᡂ 㛗 ࡢ ไ ᚚ ࠊ จ 㞟 ᢚ ไ ࢆ ┠ ⓗ ࡜ ࡋ ࡚ ࠊ 㧗 ศ Ꮚ 㟁 ゎ ㉁

ࢆ ཯ ᛂ ሙ ࡜ ࡋ ࡚ ⏝ ࠸ ࡿ ཯ ᛂ ᬗ ᯒ ࢆ ฼ ⏝ ࡋ ࡓ ࠋ ࡇ ࡢ ᪉ ἲ ࡟ ࡼ ࡾ( Y, G d ) B O3: E u3 +ࢆ ྜ ᡂ ࡋ ࠊ ᭱ 㐺 ࡞ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ཯ ᛂ ሙ ࠾ ࡼ ࡧ ཯ ᛂ ᮲ ௳ ࢆ Ỵ ᐃ ࡋ ࡓ ࠋ ࡉ ࡽ ࡟ ࠊ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ౑ ⏝ ᫬ ࡟ ぢ ࡽ ࢀ ࡓ Y B O3 ࡢ ᬗ Ⓑ ኚ ໬ ࡜ X ⥺ ᅇ ᢡ ࣆ ࣮ ࢡ ᙉ ᗘ ኚ ໬ ࡢ 㛵 ಀ ࡟ ࡘ ࠸

࡚ ࠊ⤖ ᬗ 㠃 ࠊ⤖ ᬗ ᙧ ≧ ࡀ ࡼ ࡾ ᫂ ░ ࡞ C a S O4࣭2 H2O ࢆ ࣔ ࢹ ࣝ ≀ ㉁ ࡜ ࡋ ࡚ ◊ ✲ ࢆ 㐍 ࡵ ࠊ

ྠ ᫬ ࡟ C a S O4࣭2 H2O ࡟ ࡘ ࠸ ࡚ ࡶ ⤖ ᬗ ≉ ᛶ ไ ᚚ ࡟ ᭷ ⏝ ࡞ ཯ ᛂ ᬗ ᯒ ሙ ࢆ ᥈ ⣴ ࡋ ࡓ ࠋ௨

ୖ ࡢ ⤖ ᯝ ࢆ ⤫ ྜ ࡋ ࠊ ཯ ᛂ ᬗ ᯒ ሙ ࡟ ࡼ ࡿ ⤖ ᬗ ≉ ᛶ ࡢ ไ ᚚ ࡢ ᴫ ᛕ ࢆ ᥦ ฟ ࡋ ࡓ ࠋ

ᮏ ㄽ ᩥ ࡣ ඲ ஬ ❶ ࠿ ࡽ ᵓ ᡂ ࡉ ࢀ ࡿ ࠋ ྛ ❶ ࡢ ᴫ せ ࡟ ࡘ ࠸ ࡚ ௨ ୗ ࡟ ㏙ ࡭ ࡿ ࠋ

➨ ୍ ❶ ཯ ᛂ ᬗ ᯒ ࡢ ≉ ᚩ ࠾ ࡼ ࡧ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ཯ ᛂ ሙ ࡢ స ⏝

཯ ᛂ ᬗ ᯒ ࡣ ᾮ ┦ ἲ ࡢ ୍ ✀ ࡛ ࠶ ࡾ ࠊ ᾮ య ཎ ᩱ ࢆ ΰ ྜ ࡋ ࡚ ⤖ ᬗ 〇 ရ ࢆ ᚓ ࡿ ᪉ ἲ ࡛ ࠶

ࡿ ࠋ ཯ ᛂ ᬗ ᯒ ࡢ ᭱ ኱ ࡢ 㛗 ᡤ ࡣ ࠊ ཯ ᛂ ࡟ ࡼ ࡾ ⏕ ࡌ ࡿ 㐣 㣬 ࿴ ࡟ ࡼ ࡾ ⤖ ᬗ ໬ ࡀ ᛴ ㏿ ࡟ 㐍

ࡴ Ⅼ ࡛ ࠶ ࡿ ࠋ ຍ ࠼ ࡚ ࠊ ᖖ   ࣭ ᖖ ᅽ ࡛ ཯ ᛂ ࡀ 㐍 ࡴ ࡓ ࡵ ࠊ ࢚ ࢿ ࣝ ࢠ ࣮ ࡢ ⠇ ⣙ ࡶ ྍ ⬟ ࡛

࠶ ࡿ ࠋ ୍ ᪉ ࡛ ࠊ ཯ ᛂ ᬗ ᯒ ࡣ ᰾ ໬ ࣭ ᡂ 㛗 ไ ᚚ ࡀ ᅔ 㞴 ࡛ ࠶ ࡾ ࠊ ⢏ Ꮚ ࡀ จ 㞟 ࡋ ࡸ ࡍ ࠸ ࡜

࠸ ࠺ ၥ 㢟 Ⅼ ࢆ ᢪ ࠼ ࡚ ࠸ ࡿ ࠋ

จ 㞟 ࢆ 㜵 ࡄ ࡓ ࡵ ࡢ ྜ ᡂ ἲ ࡢ ୍ ࡘ ࡜ ࡋ ࡚ ࠊ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ࢆ ཯ ᛂ ሙ ࡜ ࡋ ࡚ ⏝ ࠸ ࡿ ཯ ᛂ ᬗ ᯒ ࡀ ࠶ ࡿ ࠋ ࡇ ࡢ ᪉ ἲ ࢆ ⏝ ࠸ ࡿ ࡇ ࡜ ࡛ ࠊ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ࡜ ⁐ ㉁ ศ Ꮚ ࠾ ࡼ ࡧ ⤖ ᬗ ᰾

࡜ ࡢ 㟼 㟁 ⓗ ┦ ஫ స ⏝ ࠊ㧗 ศ Ꮚ 㙐 ࡢ ❧ య 㞀 ᐖ ࡟ ࡼ ࡾ ᰾ ໬ ẁ 㝵 ࡜ ᡂ 㛗 ẁ 㝵 ࡀ ศ 㞳 ࡛ ࡁ ࠊ ༢ ศ ᩓ ᚤ ⢏ Ꮚ ࡢ ྜ ᡂ ࡀ ྍ ⬟ ࡟ ࡞ ࡿ ࡜ ♧ ၀ ࡉ ࢀ ࡚ ࠸ ࡿ ࠋ ᐇ 㝿 ࡟ ࠊ 㞴 ⁐ ᛶ ◲ 㓟 ሷ ࡢ ༢ ศ ᩓ ᚤ ⢏ Ꮚ ྜ ᡂ ࡢ ᪤   ◊ ✲ ࡟ ࠾ ࠸ ࡚ ࡣ ࠊ࣏ ࣜ ࢚ ࢳ ࣞ ࣥ ࢖ ࣑ ࣥ( P E I )㓟 ᛶ ᮲ ௳ ࡀ ≉ ࡟

᭷ ຠ ࡛ ࠶ ࡿ ࡜ ࠸ ࠺ ⤖ ᯝ ࡀ ᚓ ࡽ ࢀ ࡚ ࠸ ࡿ ࠋ

➨ ஧ ❶ ᑐ ㇟ ≀ ㉁( Y, G d ) B O3: E u3 +࠾ ࡼ ࡧ C a S O4࣭2 H2O ࡢ ⤖ ᬗ ≉ ᛶ

( Y, G d ) B O3: E u3 +ࡣ ┿ ✵ ⣸ እ( V U V )⺯ ග య ࡢ ୍ ✀ ࡛ ࠶ ࡾ ࠊࣉ ࣛ ࢬ ࣐ ࢹ ࢕ ࢫ ࣉ ࣞ ࢖ ࣃ

ࢿ ࣝ( P D P )⏝ ㉥ Ⰽ ⺯ ග య ࡜ ࡋ ࡚ ᗈ ࡃ ฼ ⏝ ࡉ ࢀ ࡿ ࡯ ࠿ ࠊỈ 㖟 ࣇ ࣜ ࣮ ⺯ ග ⅉ ࡬ ࡢ ᛂ ⏝ ࡶ

᳨ ウ ࡉ ࢀ ࡚ ࠸ ࡿ ࠋ ၟ ᴗ ⏝( Y, G d ) B O3: E u3 +ࡣ ᅛ ┦ ἲ ࡛ ྜ ᡂ ࡉ ࢀ ࠊ ኱ ⢏ ᚄ ࡛ ᙧ ≧ ࡀ ୙ ᆒ ୍ ࡛ ࠶ ࡿ ࡀ ࠊ ཯ ᛂ ᬗ ᯒ ࢆ ฼ ⏝ ࡍ ࢀ ࡤ ᨵ ၿ ࡀ ྍ ⬟ ࡛ ࠶ ࡿ ࠋ ࡓ ࡔ ࡋ ࠊ ཯ ᛂ ᬗ ᯒ ࡛ ࡣ 㠀 ᬗ ㉁ ๓ 㥑 య ࡀ ⏕ ᡂ ࡍ ࡿ ࡓ ࡵ ࠊ ↝ ᡂ ᧯ స ࡟ ࡼ ࡾ Y B O3 ࡟ ኚ ᥮ ࡍ ࡿ ᚲ せ ࡀ ࠶ ࡿ ࠋ

C a S O4࣭2 H2O ࡣ ࢔ ࣝ ࢝ ࣜ ᅵ 㢮 㔠 ᒓ ◲ 㓟 ሷ ࡢ ୰ ࡛ ࡣ ᭱ ࡶ ᘧ 㔞 ࡀ ᑠ ࡉ ࡃ ࠊ ᭱ ࡶ Ỉ ࡟

⁐ ࡅ ࡸ ࡍ ࠸ ࡀ ࠊ ≀ ㉁ ඲ య ࡛ ࡣ 㞴 ⁐ ᛶ ሷ ࡟ ศ 㢮 ࡉ ࢀ ࡿ ࠋ ࡇ ࡢ Ⅼ ࠿ ࡽ ࠊC a S O4࣭2 H2O ࡣ ࠊ ཯ ᛂ ᬗ ᯒ ࡛ ྜ ᡂ ࡍ ࡿ 㝿 ࡟ ᰾ ໬ ࣭ ᡂ 㛗 ไ ᚚ ࠊ จ 㞟 ᢚ ไ ࡀ 㞴 ࡋ ࠸ ≀ ㉁ ࡢ ୍ ࡘ ࡛ ࠶

ࡾ ࠊ ᪤   ◊ ✲ ࡟ ࠾ ࡅ ࡿ 㞴 ⁐ ᛶ ◲ 㓟 ሷ ࡜ ྠ ᵝ ࡟ ༢ ศ ᩓ ᚤ ⢏ Ꮚ ྜ ᡂ ἲ ࢆ ᥈ ⣴ ࡍ ࡿ ౯ ್

(3)

ࡢ ࠶ ࡿ ≀ ㉁ ࡛ ࠶ ࡿ ࡜ ࠸ ࠼ ࡿ ࠋ ᖖ   ࣭ ᖖ ᅽ ୗ ࡛ ࡣ ㏻ ᖖ 2 Ỉ ࿴ ≀ ࡀ ᯒ ฟ ࡍ ࡿ ࡀ ࠊ0 . 5 Ỉ ࿴ ≀ ࢆ ࡣ ࡌ ࡵ ࡜ ࡋ ࡚ ␗ ࡞ ࡿ Ỉ ࿴ ᩘ ࡢ ࡶ ࡢ ࡀ ⏕ ᡂ ࡍ ࡿ ሙ ྜ ࡶ ࠶ ࡿ ࠋ

➨ ୕ ❶ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ཯ ᛂ ሙ ࢆ ⏝ ࠸ ࡓ ཯ ᛂ ᬗ ᯒ ࡟ ࡼ ࡿ( Y, G d ) B O3: E u3 +༢ ศ ᩓ ᚤ ⢏ Ꮚ ࡢ ྜ ᡂ

1 g / L ࡲ ࡓ ࡣ 1 0 g / L ࡢ P E I ࠾ ࡼ ࡧ ࣏ ࣜ ࢔ ࢡ ࣜ ࣝ 㓟( PA A )ࢆ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ࡢ ೃ ⿵ ࡜ ࡋ ࠊY B O3 ༢ ศ ᩓ ᚤ ⢏ Ꮚ ࡢ ྜ ᡂ ࡟ ᭱ 㐺 ࡞ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ཯ ᛂ ሙ ࠾ ࡼ ࡧ ᧯ స ᮲ ௳ ࢆ ᥈

⣴ ࡋ ࡓ ࠋࡑ ࡢ ⤖ ᯝ ࠊ1 g / L P E I ࢆ ཯ ᛂ ሙ ࡜ ࡋ ࡚ ⏝ ࠸ ࠊሷ ᇶ ᛶ ഃ ࠿ ࡽ ᧯ స ࡋ ࡓ ሙ ྜ ࡟ ࠊ 3 ࡘ ࡢ ⯆ ࿡ ῝ ࠸ ⌧ ㇟ ࡀ ぢ ࡽ ࢀ ࡓ ࠋࡲ ࡎ ࠊC O3

2 -※ ࢆ ῧ ຍ ࡋ ࡚ ࠸ ࡞ ࠸ ࡟ ࡶ ࠿ ࠿ ࢃ ࡽ ࡎ ࠊ

㏻ ᖖ ࡢ 㠀 ᬗ ㉁ ๓ 㥑 య ࡛ ࡣ ࡞ ࡃ Y B ( O H )4C O3 ⤖ ᬗ ㉁ ๓ 㥑 య ࡀ ⏕ ᡂ ࡋ ࡓ ࠋ ḟ ࡟ ࠊ ⏕ ᡂ ࡋ ࡓ ๓ 㥑 య ࡣ ⢏ ᚄ ࣭ ᙧ ≧ ࡜ ࡶ ࡟ ᆒ ୍ ࡞ ⌫ ≧ ᚤ ⢏ Ꮚ ࡛ ࠶ ࡗ ࡓ ࠋ ࡉ ࡽ ࡟ ࠊ ↝ ᡂ ᚋ ࡶ ࡇ ࡢ ⢏ ᚄ ࡜ ᙧ ≧ ࡣ ⥔ ᣢ ࡉ ࢀ ࡓ ࠋ ࡇ ࢀ ࡟ ᑐ ࡋ ࡚ ࠊP E I 㓟 ᛶ ᮲ ௳ ࡣ 1 g / Lࠊ1 0 g / L ࡜ ࡶ 㠀 ᬗ ㉁ ๓ 㥑 య ࡀ ⏕ ᡂ ࡋ ↝ ᡂ ᚋ ࡶ จ 㞟 ࡋ ࡚ ࠸ ࡿ ࡜ ࠸ ࠺ Ⅼ ࡛ ࠊ1 0 g / L P E I ሷ ᇶ ᛶ ᮲ ௳ ࡣ

⢏ ᚄ࣭ᙧ ≧ ࡀ ୙ ᆒ ୍ ࠿ ࡘ ↝ ᡂ ᚋ ࡟ ୙ ⣧ ≀ ࡀ ΰ ධ ࡍ ࡿ ࡜ ࠸ ࠺ Ⅼ ࡛ ୙ 㐺 ࡛ ࠶ ࡗ ࡓ ࠋPA A ࡣ ࠊY B O3 ๓ 㥑 య ࡀ ⏕ ᡂ ࡍ ࡿ ሷ ᇶ ᛶ 㡿 ᇦ ࡛ ࡣ ࢤ ࣝ ≧ ࡜ ࡞ ࡾ ศ 㞳 ࡍ ࡿ ࡜ ࠸ ࠺ Ⅼ ࡛ ᫂

ࡽ ࠿ ࡟ ୙ 㐺 ࡛ ࠶ ࡗ ࡓ ࠋ௨ ୖ ࡼ ࡾ ࠊ㧗 ศ Ꮚ 㟁 ゎ ㉁ ཯ ᛂ ሙ ࡜ ࡋ ࡚ ࡣ 1 g / L P E I ሷ ᇶ ᛶ ᮲

௳ ࡀ ᭱ 㐺 ࡛ ࠶ ࡿ ࡜ ⤖ ㄽ ࡙ ࡅ ࡽ ࢀ ࡓ ࠋ

୍ 㐃 ࡢ ◊ ✲ ࡜ ࡋ ࡚ ࠊY B ( O H )4C O3 ⤖ ᬗ ㉁ ๓ 㥑 య ࡢ ⏕ ᡂ ᮲ ௳ ࡢ ゎ ᫂ ࠊN a2C O3 ࢆ p H ㄪ ᩚ ๣ ࡜ ࡋ ࡚ ⏝ ࠸ ࡓ Y B ( O H )4C O3 ⤖ ᬗ ㉁ ๓ 㥑 య ࡢ ྜ ᡂ ࡢ ᳨ ウ ࡶ ⾜ ࡗ ࡓ ࠋࡑ ࡢ ⤖ ᯝ ࠊ Y B ( O H )4C O3 ⤖ ᬗ ㉁ ๓ 㥑 య ࢆ ᚓ ࡿ ࡟ ࡣ ࠊ ᕼ ⷧ ᮲ ௳ ࠊ ᭱ ⤊ p H ᙅ 㓟 ᛶ ࠊ1 ᪥ ⛬ ᗘ ࡢ ᧠ ᢾ ࡜ ࠸ ࠺ 3 ࡘ ࡢ ᮲ ௳ ࡀ ᚲ せ ࡛ ࠶ ࡿ ࡇ ࡜ ࢆ ぢ ฟ ࡋ ࡓ ࠋ ࡲ ࡓ ࠊN a2C O3 ౑ ⏝ ᫬ ࡟ ࡣ ࠊ ๓ 㥑 య ୰ ࡢ B ཎ Ꮚ ࡜ C ཎ Ꮚ ࡢ ࣔ ࣝ ẚ( C / B )ࢆ 1 . 5 ௨ ୗ ࡟ ᢚ ࠼ ࠊ1 ᪥ ᧠ ᢾ ࡋ ࡓ ሙ ྜ ࡟ ᆒ

୍ ࡞ Y B ( O H )4C O3 ⌫ ≧ ᚤ ⢏ Ꮚ ࡀ ⏕ ᡂ ࡋ ࡓ ࠋࡉ ࡽ ࡟ ࠊY B ( O H )4C O3 ⌫ ≧ ᚤ ⢏ Ꮚ ࡀ ⏕ ᡂ ࡍ ࢀ ࡤ ↝ ᡂ ᚋ ࡟ ࡶ ⢏ ᚄ ࡀ ⥔ ᣢ ࡉ ࢀ ࡿ ࡇ ࡜ ࠿ ࡽ ࠊY B O3 ༢ ศ ᩓ ᚤ ⢏ Ꮚ ࡢ ྜ ᡂ ࡟ ࡣ ࠊ

↝ ᡂ ๓ ࡢ ᆒ ୍ ࡞ Y B ( O H )4C O3 ⌫ ≧ ᚤ ⢏ Ꮚ ࡢ ⏕ ᡂ ࡀ ᭱ ࡶ 㔜 せ ࡛ ࠶ ࡿ ࡇ ࡜ ࢆ ぢ ฟ ࡋ ࡓ ࠋ N a2C O3 ࡟ ࡼ ࡾ Y B ( O H )4C O3 ⌫ ≧ ᚤ ⢏ Ꮚ ࡀ ☜ ᐇ ࠿ ࡘ ⡆ ౽ ࡟ ྜ ᡂ ࡛ ࡁ ࠊN H3 ࢆ ే ⏝ ࡍ

ࢀ ࡤ ཰ ⋡ ࡢ ྥ ୖ ࡶ ྍ ⬟ ࡛ ࠶ ࡿ ࠋ ࡓ ࡔ ࡋ ࠊ ↝ ᡂ ୰ ࡢ ᙧ ≧ ⥔ ᣢ ࠊ จ 㞟 ᢚ ไ ࡟ ࡣ ㄢ 㢟 ࡀ ṧ ࡾ ࠊ ↝ ᡂ ୰ ࡢ P E I ࡢ ᚲ せ ᛶ ࡀ ♧ ၀ ࡉ ࢀ ࡓ ࠋ

➨ ᅄ ❶ C a S O4࣭2 H2O ࡢ ᬗ Ⓑ ࡜ X R D ࣆ ࣮ ࢡ ᙉ ᗘ ࡢ 㛵 ಀ

⤖ ᬗ ᙧ ≧ 㸦 ᬗ Ⓑ 㸧 ࡣ ཯ ᛂ ᮲ ௳ ࡟ ࡼ ࡾ ኚ ໬ ࡋ ࠊ ྠ ᫬ ࡟ X ⥺ ᅇ ᢡ ࣆ ࣮ ࢡ ᙉ ᗘ ࡶ ኚ ໬ ࡍ ࡿ ࠋ ࡇ ࢀ ࡽ ࡢ ኚ ໬ ࡣ Y B O3 ࢆ ྵ ࡵ ࡉ ࡲ ࡊ ࡲ ࡞ ≀ ㉁ ࡛ ほ ᐹ ࡉ ࢀ ࡿ ࡀ ࠊ ᬗ Ⓑ ࡜ X R D

ࣆ ࣮ ࢡ ᙉ ᗘ ࡢ 㛵 ಀ ࡣ ᫂ ࡽ ࠿ ࡟ ࡉ ࢀ ࡚ ࠸ ࡞ ࠸ ࠋᮏ ◊ ✲ ࡛ ࡣ ࠊࣔ ࢹ ࣝ ≀ ㉁ C a S O4࣭2 H2O

ࢆ ྛ ✀ ῧ ຍ ≀ Ꮡ ᅾ ୗ ࡛ ྜ ᡂ ࡋ ࠊ ᰾ ໬ ࣭ ᡂ 㛗 ไ ᚚ ࡟ ᭷ ⏝ ࡞ ཯ ᛂ ᬗ ᯒ ሙ ࢆ ᥈ ⣴ ࡍ ࡿ ࡜

࡜ ࡶ ࡟ ࠊ ῧ ຍ ≀ ࡟ ࡼ ࡿ ᬗ Ⓑ ኚ ໬ ࠊ ᬗ Ⓑ ࡜ X R D ࣆ ࣮ ࢡ ᙉ ᗘ ࡢ 㛵 ಀ ࢆ ㄪ ᰝ ࡋ ࡓ ࠋ ࡑ ࡢ ⤖ ᯝ ࠊPA A㸦 ᖹ ᆒ ศ Ꮚ 㔞 2 5 ୓ 㸧ࠊ ࢝ ࣝ ࣎ ࢟ ࢩ ࣓ ࢳ ࣝ ࢭ ࣝ ࣟ ࣮ ࢫ ࢼ ࢺ ࣜ ࢘ ࣒ ( C M C - N a )࡞ ࡝ ࠊ࢝ ࣝ ࣎ ࢟ ࢩ ࣝ ᇶ ࢆ ࡶ ࡘ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ࢆ ⏝ ࠸ ࡿ ࡜ ࠊC a S O4࣭2 H2O ࡢ

(4)

No.3

ᙧ ≧ ࠾ ࡼ ࡧ X ⥺ ᅇ ᢡ ᅗ ᙧ ࡀ ኱ ࡁ ࡃ ኚ ໬ ࡋ ࡓ ࠋ ㏻ ᖖ ࡢ C a S O4࣭2 H2O ⤖ ᬗ ࡣ 㔪 ≧ ࣭ ᯈ ≧ ⢒ ኱ ᬗ ࡔ ࡀ ࠊPA A 2 5 ୓ ࠊC M C - N a ࢆ ཯ ᛂ ᬗ ᯒ ሙ ࡜ ࡋ ࡚ ⏝ ࠸ ࡿ ࡜ ⢏ ≧ ᚤ ⤖ ᬗ ࡀ

⏕ ᡂ ࡋ ࡓ ࠋ ࡋ ࠿ ࡋ ࠊ ௚ ࡢ 㞴 ⁐ ᛶ ◲ 㓟 ሷ ࡢ ༢ ศ ᩓ ᚤ ⢏ Ꮚ ྜ ᡂ ࡟ ᭷ ຠ ࡛ ࠶ ࡗ ࡓ P E I ཯ ᛂ ሙ ࡣ C a S O4࣭2 H2O࡟ ࡣ ຠ ᯝ ࡀ ࡞ ࡃ ࠊX⥺ ᅇ ᢡ ᅗ ᙧ ࡟ ࡶ ┠ ❧ ࡗ ࡓ ኚ ໬ ࡣ ࡞ ࠿ ࡗ ࡓ ࠋ

ࡲ ࡓ ࠊ㓟࣭ሷ ᇶ ࠊ↓ ᶵ ሷ ࠊప ศ Ꮚ ᭷ ᶵ ໬ ྜ ≀ ࡞ ࡝ ࡢ ྛ ✀ ప ศ Ꮚ ῧ ຍ ≀ ࡟ ࡘ ࠸ ࡚ ࡶ ࠊ

࢝ ࣝ ࣎ ࢟ ࢩ ࣝ ᇶ ࢆ ࡶ ࡘ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ࡟ ༉ ᩛ ࡍ ࡿ ᚤ ᑠ ໬ ࣭ ༢ ศ ᩓ ໬ ຠ ᯝ ࢆ ♧ ࡍ ࡶ ࡢ ࡣ ࡞ ࠿ ࡗ ࡓ ࠋ ୍ ᪉ ࡛ ࠊ ⢒ ኱ ⢏ Ꮚ ࡢ ࡲ ࡲ ▷ ᚄ ᪉ ྥ ࡢ ᡂ 㛗 ࢆ ಁ 㐍 ࡉ ࡏ ࡿ ప ศ Ꮚ ῧ ຍ ≀ ࡀ Ꮡ ᅾ ࡋ ࠊ 㟼 ⨨ ᮲ ௳ ࡛ ࡣ m m ࢜ ࣮ ࢲ ࣮ ࡢ ⢒ ኱ ᬗ ࡀ ⏕ ᡂ ࡍ ࡿ ࡞ ࡝ ࠊ ᚤ ᑠ ໬ ࡜ ࡣ ᑐ ᴟ

࡟ ࠶ ࡿ ⌧ ㇟ ࡶ ほ ᐹ ࡉ ࢀ ࡓ ࠋ ௨ ୖ ࡢ ࡇ ࡜ ࠿ ࡽ ࠊC a S O4࣭2 H2O ༢ ศ ᩓ ᚤ ⢏ Ꮚ ࡢ ྜ ᡂ ࡟ ࡣ ࠊ ࢝ ࣝ ࣎ ࢟ ࢩ ࣝ ᇶ ࢆ ࡶ ࡘ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ࡀ ᭱ ࡶ ᭷ ຊ ࡞ ཯ ᛂ ᬗ ᯒ ሙ ࡛ ࠶ ࡿ ࡇ ࡜ ࡀ ぢ ฟ ࡉ ࢀ ࡓ ࠋX ⥺ ᅇ ᢡ ᅗ ᙧ ࡟ 㛵 ࡋ ࡚ ࡣ ࠊ࢝ ࣝ ࣎ ࢟ ࢩ ࣝ ᇶ ࢆ ࡶ ࡘ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ౑ ⏝ ᫬ ࠊ

㏻ ᖖ ᭱ ᙉ ࣆ ࣮ ࢡ ࡜ ࡞ ࡿ( 0 2 0 )㠃 ࡢ ࣆ ࣮ ࢡ ᙉ ᗘ ࡀ ኱ ࡁ ࡃ ప ୗ ࡋ ࡓ ୍ ᪉ ࠊ( 0 2 1 )㠃 ࡢ ࣆ ࣮ ࢡ ᙉ ᗘ ࡀ ቑ ኱ ࡋ ࠊ᭱ ᙉ ࣆ ࣮ ࢡ ࡟ ࡞ ࡿ ࡇ ࡜ ࡶ ࠶ ࡗ ࡓ ࠋࡲ ࡓ ࠊ( 0 4 1 )㠃 ࠊ( - 2 2 1 )㠃 ࡞ ࡝ ࠊ

㏻ ᖖ ࡢ C a S O4࣭2 H2O ᅇ ᢡ ᅗ ᙧ ࡛ ࡣ ࠶ ࡲ ࡾ ┠ ❧ ࡓ ࡞ ࠸ ࣆ ࣮ ࢡ ࡢ ᙉ ᗘ ࡶ ቑ ኱ ࡋ ࡓ ࠋ ( 0 2 0 )㠃 ࡟ ᑐ ࡍ ࡿ ྛ ᅇ ᢡ ࣆ ࣮ ࢡ ࡢ ┦ ᑐ ᙉ ᗘ ࢆ ⟬ ฟ ࡋ ࠊ᭱ ࡶ ኚ ໬ ࡢ ኱ ࡁ ࠸( 0 2 1 )㠃 ࡢ

┦ ᑐ ᙉ ᗘ ࡟ 㛵 ࡋ ࡚ ⤖ ᯝ ࢆ ศ 㢮 ࡍ ࡿ ࡜ ࠊ ≉ ᐃ ࡢ X R D ┦ ᑐ ᙉ ᗘ 㛫 ࠊ ࠶ ࡿ ࠸ ࡣ X R D ┦ ᑐ ᙉ ᗘ ࡜ ᖹ ᆒ ⢏ ᚄ ࠊ ࢔ ࢫ ࣌ ࢡ ࢺ ẚ ࡢ 㛫 ࡟ ┦ 㛵 㛵 ಀ ࡀ ࠶ ࡿ ࡇ ࡜ ࡀ ☜ ㄆ ࡉ ࢀ ࡓ ࠋ ࡉ ࡽ

࡟ ࠊ ྛ ᅇ ᢡ ࣆ ࣮ ࢡ ᙉ ᗘ ࡢ ኚ ໬ ࢆ ゎ ᯒ ࡍ ࡿ ࡇ ࡜ ࡛ ࠊC a S O4࣭2 H2O ࡢ ᬗ Ⓑ ኚ ໬ ࡢ 㐣 ⛬

ࢆ ㏣ ㊧ ࡛ ࡁ ࡿ ࡇ ࡜ ࢆ ぢ ฟ ࡋ ࡓ ࠋ

➨ ஬ ❶ ⤖ ᯝ ࡢ ⥲ ᣓ ࡜ ௒ ᚋ ࡢ ᒎ 㛤 ࠾ ࡼ ࡧ ᮏ ◊ ✲ ࡢ ㈉ ⊩ ྍ ⬟ ᛶ

( Y, G d ) B O3: E u3 +཯ ᛂ ᬗ ᯒ ࡟ ࠾ ࡅ ࡿ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ཯ ᛂ ሙ ࡜ ࡋ ࡚ ࡣ 1 g / L P E I ሷ ᇶ ᛶ ᮲ ௳ ࡀ ᭱ 㐺 ࡛ ࠶ ࡿ ࠋ ࡑ ࡋ ࡚ ࠊY B O3 ༢ ศ ᩓ ᚤ ⢏ Ꮚ ࡢ ྜ ᡂ ࡟ ࡣ ࠊ ↝ ᡂ ๓ ࡟ ᆒ ୍ ࡞ Y B ( O H )4C O3 ⌫ ≧ ᚤ ⢏ Ꮚ ࢆ ⏕ ᡂ ࡉ ࡏ ࡿ ࡇ ࡜ ࡀ ᭱ ࡶ 㔜 せ ࡛ ࠶ ࡿ ࠋᆒ ୍ ࡞ Y B O3 ᚤ ⢏ Ꮚ ࡢ ྜ ᡂ ࡀ ྍ ⬟ ࡟ ࡞ ࡿ ࡜ ࠊ ↝ ᡂ ᫬ 㛫 ࡢ ▷ ⦰ ࡟ ࡼ ࡾ ┬ ࢚ ࢿ ࣝ ࢠ ࣮ ໬ ࡀ 㐩 ᡂ ࡉ ࢀ ࡿ ࠋ ࡲ ࡓ ࠊ ᆒ ୍ ࡞ ᚤ ⢏ Ꮚ ࡣ ࡼ ࡾ ᑡ 㔞 ࡛ 㧗 ඘ ሸ ᐦ ᗘ ࡢ Ⓨ ග 㠃 ࡀ స 〇 ྍ ⬟ ࡛ ࠶ ࡾ ࠊ ၟ ရ ౯ ᱁

ࡶ ప ῶ ࡉ ࢀ ࡿ ࡜ ᮇ ᚅ ࡉ ࢀ ࡿ ࠋ

C a S O4࣭2 H2O ࡣ ࠊ ࢝ ࣝ ࣎ ࢟ ࢩ ࣝ ᇶ ࢆ ࡶ ࡘ 㧗 ศ Ꮚ 㟁 ゎ ㉁ ୰ ࡛ ྜ ᡂ ࡍ ࡿ ࡜ ⢏ ≧ ᚤ ⤖ ᬗ ࡜ ࡞ ࡿ ࠋ ࡲ ࡓ ࠊX R D ┦ ᑐ ᙉ ᗘ ࡜ ᬗ Ⓑ ࡢ 㛫 ࡟ ࡣ ┦ 㛵 㛵 ಀ ࡀ ࠶ ࡾ ࠊ( 0 2 1 )㠃 ࡢ X R D

┦ ᑐ ᙉ ᗘ ࡀ ቑ ኱ ࡍ ࡿ ࡟ ࡘ ࢀ ࡚ ᖹ ᆒ 㛗 ᚄ ࠊ ࢔ ࢫ ࣌ ࢡ ࢺ ẚ ࡣ ῶ ᑡ ࡋ ࠊC a S O4࣭2 H2O ⤖ ᬗ ࡣ 㔪 ≧ ࣭ᯈ ≧ ⢒ ኱ ᬗ ࠿ ࡽ ⢏ ≧ ᚤ ⤖ ᬗ ࡟ ኚ ໬ ࡍ ࡿ ࠋࡇ ࡢ ▱ ぢ ࡣ ୺ せ ࡞ X R D ࣆ ࣮ ࢡ ᙉ ᗘ ẚ ࠿ ࡽ ࡢ ᬗ Ⓑ ࡢ ᥎ ᐃ ࢆ ྍ ⬟ ࡟ ࡋ ࠊ จ 㞟 ࡀ ⃭ ࡋ ࡃ ಶ ࠎ ࡢ ⤖ ᬗ ᙧ ≧ ࡀ ୙ ᫂ ░ ࡞ ሙ

ྜ ࠊ ⤖ ᬗ ࡢ ྥ ࡁ ࡀ ୙ ᫂ ࡞ ሙ ྜ ࡞ ࡝ ࡟ ≉ ࡟ ᭷ ⏝ ࡛ ࠶ ࡿ ࠋ

௨ ୖ ࡢ ࡼ ࠺ ࡟ ࠊ ᮏ ㄽ ᩥ ࡢ ᡂ ᯝ ࡣ ࠊ ༢ ศ ᩓ ᚤ ⢏ Ꮚ ྜ ᡂ ࢆ ࡣ ࡌ ࡵ ࡜ ࡍ ࡿ ⤖ ᬗ ≉ ᛶ ไ ᚚ ࠊ ⺯ ග య ⏕ ⏘ ࣉ ࣟ ࢭ ࢫ ᨵ Ⰻ ࣭ 〇 㐀 ࢥ ࢫ ࢺ ๐ ῶ ࡢ ࡳ ࡞ ࡽ ࡎ ࠊ ┬ ㈨ ※ ࣭ ┬ ࢚ ࢿ ࣝ ࢠ

࣮ ࠊ ࡉ ࡽ ࡟ ࡣ Ꮫ ၥ ࡜ ࡋ ࡚ ࡢ ᬗ ᯒ ᕤ Ꮫ ࡢ Ⓨ ᒎ ࡟ ᐤ ୚ ࡍ ࡿ ࡶ ࡢ ࡛ ࠶ ࡿ ࠋ

(5)

㹌㹭

᪩✄⏣኱Ꮫ ༤ኈ㸦ᕤᏛ㸧 Ꮫ఩⏦ㄳ ◊✲ᴗ⦼᭩

Ặྡ ஭ୖ ᖿᗣ ༳

㸦 ᖺ ᭶ ⌧ᅾ㸧

✀㢮ู 㢟ྡࠊ Ⓨ⾲࣭Ⓨ⾜ᥖ㍕ㄅྡࠊ Ⓨ⾲࣭Ⓨ⾜ᖺ᭶ࠊ 㐃ྡ⪅㸦⏦ㄳ⪅ྵࡴ㸧 1. ㄽᩥ

2. ㅮ₇

ۑMikiyasu Inoue and Izumi Hirasawa, “The relationship between crystal morphology and XRD peak intensity on CaSO4࣭2H2O”, Journal of Crystal Growth, 380 (2013) pp.169-175

ۑMikiyasu Inoue and Izumi Hirasawa, “Synthesis of (Y,Gd)BO3:Eu3+ by reaction crystallization using polyelectrolyte reaction field”, Chemical Engineering & Technology (in press)

Akio Tanahashi, T.Ikehara, M.Inoue, R.Shinozuka and Izumi Hirasawa, “Effect of excess boric acid on (Y,Gd)BO3:Eu red phosphor for plasma display panel through reaction crystallization”, BIWIC2008, pp.303-309 (2008)

஭ୖᖿᗣ㸪ᖹἑἨ㸪“Synthesis of (Y,Gd)BO3:Eu3+ by Reaction Crystallization using PEI Reaction

Field”㸪➨6ᅇG-COEᅜ㝿ࢩ࣏ࣥࢪ࣒࢘㸪P20㸪せ᪨㞟p.70㸪ᮾி㸦2011ᖺ12᭶㸧

஭ୖᖿᗣ㸪ᖹἑἨ㸪“Effects of Polyelectrolyte on Reaction Crystallization of (Y,Gd)BO3:Eu3+”㸪

➨3ᅇNIMS (MANA) - Wasedaᅜ㝿ࢩ࣏ࣥࢪ࣒࢘㸪PS37㸪せ᪨㞟p.47㸪ᮾி㸦2011ᖺ11

᭶㸧

஭ୖᖿᗣ㸪ᖹἑἨ㸪“The Relationship between Morphology and Relative Intensity of XRD Peaks on CaSO4㺃2H2O”㸪➨5ᅇG-COEᅜ㝿ࢩ࣏ࣥࢪ࣒࢘㸪P16㸪せ᪨㞟p.34㸪ᮾி㸦2011ᖺ1

᭶㸧

஭ୖᖿᗣ㸪ᖹἑἨ㸪“Effects of Polyelectrolyte on Reaction Crystallization on CaSO4㺃2H2O”㸪

➨2 ᅇNIMS(MANA)-Waseda ᅜ㝿ࢩ࣏ࣥࢪ࣒࢘㸪PS16㸪せ᪨㞟 p.24㸪Ⲉᇛ㸦2010ᖺ12

᭶㸧

஭ୖᖿᗣ㸪⠛ሯຊᶞ㸪ᩪ⸨♸ு㸪ᖹἑἨ㸪“The Synthesis of (Y,Gd)BO3:Eu3+ by Coprecipitation Method Using Buffer Solution”㸪➨4ᅇG-COEᅜ㝿ࢩ࣏ࣥࢪ࣒࢘㸪P39㸪せ᪨㞟p.43㸪ᮾி

㸦2010ᖺ1᭶㸧

஭ୖᖿᗣ㸪Ჴᶫ᫛ኵ㸪ụཎ୚ே㸪ᖹἑἨ㸪͆ỿẊἲ࡟ࡼࡿPDP⏝(Y,Gd)BO3:Eu3+ࡢྜᡂ࡟

࠾ࡅࡿ᧯స᮲௳ࡢ᭱㐺໬͆㸪ศ㞳ᢏ⾡఍ 2007㸪SFa-P2㸪せ᪨㞟 p.121㸪ឡ▱㸦2007 ᖺ 6

᭶㸧

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