Hydrothermal crystallisation and some properties of bismuth titanates

Barsukova, M. L.; Кузнецов, В. А.; Lobachev, A. N.; Shaldin, Yu. V.

doi:10.1016/0022-0248(72)90293-x

Cited by 45 publications

(8 citation statements)

References 4 publications

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“…From the epitaxial relationships assigned by XRD and the line profiles of AFM images (not shown here), it was concluded that these films contain (001) facets regardless of the Bi 4 Ti 3 O 12 orientation. Barsukova et al reported that single-crystal Bi 4 Ti 3 O 12 also develops large (001) facets, 27) which suggests that the surface energy of the (001) plane is lower than those of the other planes. As a low-energy surface generally leads to a low growth rate along the normal to its surface, Bi 4 Ti 3 O 12 will grow slowly along the c-axis as compared with along the aand b-axes.…”

Section: Resultsmentioning

confidence: 99%

Bi₄Ti₃O₁₂ Nanowall Growth Driven by Anisotropic Growth Rate and Size Control

Yamada

Shibata

Ichii³

et al. 2013

Jpn. J. Appl. Phys.

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Ferroelectric and piezoelectric Bi4Ti3O12 was epitaxially grown on TiO2(101) with a(b)-axis orientation by pulsed laser deposition (PLD). Owing to the strong growth anisotropy indigenous to bismuth-layered perovskites including Bi4Ti3O12, it grew rapidly along the a- and b-axes and slowly along the c-axis. Therefore, at low deposition temperatures below 700 °C, Bi4Ti3O12 nuclei did not merge with each other along the c-axis during the growth, which resulted in the formation of the nanowall-like structure. It was found that the width of nanowalls decreased with decreasing deposition temperature, which implies that the surface diffusivity of PLD species plays a role in changing the width of nanowalls. It was also found that the interval of nanowalls can be effectively controlled by adjusting the oxygen pressure during the deposition.

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Section: Resultsmentioning

confidence: 99%

Bi₄Ti₃O₁₂ Nanowall Growth Driven by Anisotropic Growth Rate and Size Control

Yamada

Shibata

Ichii³

et al. 2013

Jpn. J. Appl. Phys.

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“…The optical band gap of undoped BTO has been reported to be about 400 nm [6], which is smaller than that of BSO and BGO, but the absorption edge depends on crystals and ambient atmosphere during the crystal growth. Okano et al [5] reported an absorption edge around 450 nm for their undoped crystals, as shown in Fig.…”

Section: Optical Properties Of P-doped Btomentioning

confidence: 96%

P-doping growth of photorefractive Bi12TiO20 single crystals

Miyazawa¹

1995

European Materials Research Society Symposia Proceedings

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Photorefractive cubic sillenite Bii 2 Ti0 2 o single crystals doped with P were successfully grown by using the top-seeded solution growth technique with a novel double-crucible configuration. P-doping growth with a double-crucible resulted in a distinct habit modification and striation-free crystals. P-doping increased optical rotatory power and showed a blue-shift of optical absorption edge. A phase diagram of the Bi 2 0 3 -BiP0 4 binary system was also investigated with regard to obtaining Bi 12 PO 20 crystals with a sillenite structure. 0925-3467/95/$09.50

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“…Barsukova et al synthesized truncated tetragonal Bi 4 Ti 3 O 12 single crystals with micron size by a supercritical hydrothermal method at 550−600 °C in the system of Bi 2 O 3 -TiO 2 -KF-H 2 O. 27,28 Herein, we found that the supercritical hydrothermal method may be a potential option to grow large high-quality single crystals containing multiple transition metal ions by dissolving polycrystalline materials and recrystallizing into single crystals under the condition of high temperature and high pressure. In this paper, Bi 5 FeTi 3 O 1 5 and Bi 4 Fe x Ti 3 − x O 12 − δ single crystals have been successfully synthesized by supercritical hydrothermal recrystallization, where KF has been adopted as the mineralizer to improve the solubility of raw material.…”

Section: Introductionmentioning

confidence: 99%

Supercritical Hydrothermal Growth of Fe-Doped Bismuth Titanate Single Crystals

Zhang

Wang

Zhang

et al. 2021

Crystal Growth & Design

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Bismuth layer-structured oxides with natural superlattices have attracted great attention because of their fascinating functional properties, such as ferroelectricity, ferromagnetism, multiferroicity, etc., introduced by the abundant structural tunability and high doping tolerance. To realize multifunctionalities, double or triple transition ion intercalation is usually required, while large-size (>10 μm in diameter) multi-transition-ion-intercalated single crystals with spontaneous crystallization are not yet obtained so far. In this work, tens of micron Fe-doped bismuth titanate single crystals have been successfully synthesized for the first time by the differential-temperature supercritical hydrothermal method. Bi4Fe x Ti3 – x O12 – δ single crystals with a lateral length of ∼40 μm and thickness of ∼4 μm are the largest bulk single crystals for the Fe-doped bismuth layer-structured oxide single crystals under spontaneous crystallization as reported so far. Their growth mechanism is discussed, which involves dissolution, mass transport, and recrystallization. In addition, the magnetic properties of the supercritical hydrothermal method samples were also investigated. This work sheds light on the feasibility to grow larger bismuth layer-structured oxide single crystals containing multiple transition metal ions.

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Hydrothermal crystallisation and some properties of bismuth titanates

Cited by 45 publications

References 4 publications

Bi₄Ti₃O₁₂ Nanowall Growth Driven by Anisotropic Growth Rate and Size Control

Bi₄Ti₃O₁₂ Nanowall Growth Driven by Anisotropic Growth Rate and Size Control

P-doping growth of photorefractive Bi12TiO20 single crystals

Supercritical Hydrothermal Growth of Fe-Doped Bismuth Titanate Single Crystals

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Hydrothermal crystallisation and some properties of bismuth titanates

Cited by 45 publications

References 4 publications

Bi4Ti3O12 Nanowall Growth Driven by Anisotropic Growth Rate and Size Control

Bi4Ti3O12 Nanowall Growth Driven by Anisotropic Growth Rate and Size Control

P-doping growth of photorefractive Bi12TiO20 single crystals

Supercritical Hydrothermal Growth of Fe-Doped Bismuth Titanate Single Crystals

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Bi₄Ti₃O₁₂ Nanowall Growth Driven by Anisotropic Growth Rate and Size Control

Bi₄Ti₃O₁₂ Nanowall Growth Driven by Anisotropic Growth Rate and Size Control