Stable and metastable phase equilibrium in system Bi2O3GeO2

Каплун, А. Б.; Мешалкин, А. Б.

doi:10.1016/0022-0248(96)00090-5

Cited by 45 publications

(26 citation statements)

References 5 publications

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“…Upper part of transparent crystal is coated with transparent fluid of Bi-enriched melt. As the crystal pulled in downward direction, the composition of this liquid film gradually changes in direction of Bi 12 GeO 20 /BGO eutectic according to the phase diagram [13]. Finally, the film solidified at eutectic temperature (880-882°C).…”

Section: Growth From Bi 2 O 3 -Rich Melt: Flux Naturementioning

confidence: 98%

“…www.crt-journal.org system based on data of [13] together with the melt compositions tested for the BGO fiber growth reported in [7] and those studied in this work (Table 1). Fig.…”

Section: Introductionmentioning

confidence: 99%

“…Bi 4 Ge 3 O 12 crystal was selected as suitable model material because it combines both congruent melting (Fig. 2) [13] and evaporation of Bi 2 O 3 [7]. Notably, BGO have great potential as scintillating material, and it is produced industrially by Czochralski technique [14,15].…”

Section: Introductionmentioning

confidence: 99%

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Evaporation induced diameter control in fiber crystal growth by micro‐pulling‐down technique: Bi₄Ge₃O₁₂

Chani¹,

Lebbou

Hautefeuille

et al. 2006

Cryst. Res. Technol.

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Diameter self-control was established in Bi 4 Ge 3 O 12 fiber crystal growth by micro-pulling-down technique. In accordance with Bi 2 O 3 -GeO 2 phase diagram, the diameter was controlled due to compensation of solidification with evaporation of volatile Bi 2 O 3 self-flux charged into the crucible with excess. The crucibles had capillary channels of 310 or 650 µm in outer diameter. The crystals up to 400 mm long and 50-300 µm in diameter were grown at pulling-down rates of 0.04-1.00 mm/min. The melt composition and the pulling rate were generally only two parameters determining solidification rate. As a result, crystals with uniform (± 10%) diameter and aspect ratio up to 10 4 were produced without automation of the process.

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Section: Growth From Bi 2 O 3 -Rich Melt: Flux Naturementioning

confidence: 98%

“…www.crt-journal.org system based on data of [13] together with the melt compositions tested for the BGO fiber growth reported in [7] and those studied in this work (Table 1). Fig.…”

Section: Introductionmentioning

confidence: 99%

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Evaporation induced diameter control in fiber crystal growth by micro‐pulling‐down technique: Bi₄Ge₃O₁₂

Chani¹,

Lebbou

Hautefeuille

et al. 2006

Cryst. Res. Technol.

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“…Известно, что получить Bi 2 GeO 5 твердофазным синтезом невозможно [4]. Только при значительном перегреве расплава с последующим медленным его охлаждением удается стабилизировать фазу Bi 2 GeO 5 [4][5][6][7].…”

Section: Introductionunclassified

Высокотемпературная теплоемкость Bi-=SUB=-2-=/SUB=-GeO-=SUB=-5-=/SUB=- и SmBiGeO-=SUB=-5-=/SUB=-

Денисова¹,

Белоусова²,

Галиахметова³

et al. 2017

Физика Твердого Тела

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Твердофазным синтезом из Sm2O3, Bi2O3 и GeO2 последовательным обжигом при 1003, 1073, 1123, 1143, 1173 и 1223 K получен SmBiGeO5. Метастабильное соединение Bi2GeO5 получено из расплава. Методом дифференциальной сканирующей калориметрии измерены температурные зависимости теплоемкости Bi2GeO5 (350-1000 K) и SmBiGeO5 (370-1000 K). На основании экспериментальных зависимостей CP=f(T) рассчитаны термодинамические функции оксидных соединений. DOI: 10.21883/FTT.2017.08.44773.41

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“…Получить его обычным твердофазным синтезом невозможно [7]. Имеющиеся данные свидетель-ствуют о том, что только при значительном перегреве расплава до ∼ 1273 K и медленном его охлаждении возможна стабилизация фазы Bi 2 GeO 5 [6][7][8][9]. Монокри-сталлы Bi 2 GeO 5 получены методом кристаллизации из расплавов [10].…”

Section: Introductionunclassified

Высокотемпературная теплоемкость YBiGeO-=SUB=-5-=/SUB=- и GdBiGeO-=SUB=-5-=/SUB=- в области 373-1000 K

Денисова¹,

Белоусова²,

Галиахметова³

et al. 2017

Физика Твердого Тела

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С помощью твердофазного синтеза получены оксидные соединения YBiGeO5 и GdBiGeO5. Методом дифференциальной сканирующей калориметрии измерена высокотемпературная теплоемкость в области 373-1000 K. На основании этих результатов рассчитаны термодинамические свойства (изменение энтальпии и энтропии). DOI: 10.21883/FTT.2017.05.44395.380

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Stable and metastable phase equilibrium in system Bi2O3GeO2

Cited by 45 publications

References 5 publications

Evaporation induced diameter control in fiber crystal growth by micro‐pulling‐down technique: Bi₄Ge₃O₁₂

Evaporation induced diameter control in fiber crystal growth by micro‐pulling‐down technique: Bi₄Ge₃O₁₂

Высокотемпературная теплоемкость Bi-=SUB=-2-=/SUB=-GeO-=SUB=-5-=/SUB=- и SmBiGeO-=SUB=-5-=/SUB=-

Высокотемпературная теплоемкость YBiGeO-=SUB=-5-=/SUB=- и GdBiGeO-=SUB=-5-=/SUB=- в области 373-1000 K

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Stable and metastable phase equilibrium in system Bi2O3GeO2

Cited by 45 publications

References 5 publications

Evaporation induced diameter control in fiber crystal growth by micro‐pulling‐down technique: Bi4Ge3O12

Evaporation induced diameter control in fiber crystal growth by micro‐pulling‐down technique: Bi4Ge3O12

Высокотемпературная теплоемкость Bi-=SUB=-2-=/SUB=-GeO-=SUB=-5-=/SUB=- и SmBiGeO-=SUB=-5-=/SUB=-

Высокотемпературная теплоемкость YBiGeO-=SUB=-5-=/SUB=- и GdBiGeO-=SUB=-5-=/SUB=- в области 373-1000 K

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Evaporation induced diameter control in fiber crystal growth by micro‐pulling‐down technique: Bi₄Ge₃O₁₂

Evaporation induced diameter control in fiber crystal growth by micro‐pulling‐down technique: Bi₄Ge₃O₁₂