LrgpV1, Istex, Corpus, bibRecord, 001527

Effect of (Sr, Ba) substitution in La3Ga5SiO14 and La3M0.5Ga5.5O14(M=Nb5+, Ta5+) crystals on their synthesis, structure and piezoelectricity

Identifieur interne : 001527 ( Istex/Corpus ); précédent : 001526; suivant : 001528

Effect of (Sr, Ba) substitution in La3Ga5SiO14 and La3M0.5Ga5.5O14(M=Nb5+, Ta5+) crystals on their synthesis, structure and piezoelectricity

Auteurs : H. Takeda ; T. Kato ; V. I. Chani ; H. Morikoshi ; K. Shimamura ; T. Fukuda

Source :

Journal of Alloys and Compounds [ 0925-8388 ] ; 1999.

RBID : ISTEX:ABD773C6834EEB03CED6FD2E6E10CD41189397FC

English descriptors

Abstract

Abstract: Alkali-earth ion (Sr, Ba) substituted La3Ga5SiO14 and La3M0.5G5.5O14 (M=Nb5+,Ta5+) compounds were synthesized by solid state reaction. Sr-substituted La3Ta0.5Ga5.5O14 (Sr-LTG) single crystals were grown by the micro-pulling down and Czochralski techniques. The cation distribution in Sr-LTG has been determined by X-ray structure analysis. Some piezoelectric properties of Sr-LTG crystal are reported and compared with those of pure La3Ta0.5Ga5.5O14.

Url:

https://api.istex.fr/document/ABD773C6834EEB03CED6FD2E6E10CD41189397FC/fulltext/pdf

DOI: 10.1016/S0925-8388(99)00203-0

Links to Exploration step

ISTEX:ABD773C6834EEB03CED6FD2E6E10CD41189397FC

Le document en format XML

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<front><div type="abstract" xml:lang="en">Abstract: Alkali-earth ion (Sr, Ba) substituted La3Ga5SiO14 and La3M0.5G5.5O14 (M=Nb5+,Ta5+) compounds were synthesized by solid state reaction. Sr-substituted La3Ta0.5Ga5.5O14 (Sr-LTG) single crystals were grown by the micro-pulling down and Czochralski techniques. The cation distribution in Sr-LTG has been determined by X-ray structure analysis. Some piezoelectric properties of Sr-LTG crystal are reported and compared with those of pure La3Ta0.5Ga5.5O14.</div>
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<notesStmt><note type="content">Fig. 1: An illustration of the Ca3Ga2Ge4O14-type structure viewed along (a) [010] and (b) [001] directions.</note>
<note type="content">Fig. 2: Piezoelectric modulus ∣d11∣ versus the lattice parameter, a in Ca3Ga2Ge4O14-type crystals. After Fukuda et al. [8].</note>
<note type="content">Fig. 3: Dependence of lattice parameters on Sr-content (x) in Sr-LTG crystals grown by the μ-PD method.</note>
<note type="content">Fig. 4: Sr-LTG crystals grown under conditions given in experiment (a) No.1 and (b) No. 4 of Table 2. The scales are in mm.</note>
<note type="content">Fig. 5: Sr concentration distribution along the growth axis, analyzed for the Sr-LTG crystal No. 4 (see Fig. 4b), where C0 and Cs are the Sr concentrations in the initial melt and resulting crystal, respectively.</note>
<note type="content">Table 1: Results of (a) the solid state reaction and (b) the μ-PD growtha</note>
<note type="content">Table 2: Experimental growth conditions and characteristics of Sr-LTG crystals grown by the Cz technique</note>
<note type="content">Table 3: Atomic parameters of the Sr-LTG crystal No. 1 with estimated standard deviations in parentheses (R=4.0%, Rw=4.4%)a</note>
<note type="content">Table 4: Mean cation–oxygen distances in Å for the Sr-LTG crystal No. 1 compared with those for LTG</note>
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<ce:copyright type="full-transfer" year="1999">Elsevier Science S.A.</ce:copyright>
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<head><ce:title>Effect of (Sr, Ba) substitution in La<ce:inf>3</ce:inf>
Ga<ce:inf>5</ce:inf>
SiO<ce:inf>14</ce:inf>
 and La<ce:inf>3</ce:inf>
M<ce:inf>0.5</ce:inf>
Ga<ce:inf>5.5</ce:inf>
O<ce:inf>14</ce:inf>
(M=Nb<ce:sup>5+</ce:sup>
, Ta<ce:sup>5+</ce:sup>
) crystals on their synthesis, structure and piezoelectricity</ce:title>
<ce:author-group><ce:author><ce:given-name>H.</ce:given-name>
<ce:surname>Takeda</ce:surname>
<ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup>
</ce:cross-ref>
<ce:cross-ref refid="CORR1">*</ce:cross-ref>
<ce:e-address>hirodx@lexus.imr.tohoku.ac.jp</ce:e-address>
</ce:author>
<ce:author><ce:given-name>T.</ce:given-name>
<ce:surname>Kato</ce:surname>
<ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup>
</ce:cross-ref>
</ce:author>
<ce:author><ce:given-name>V.I.</ce:given-name>
<ce:surname>Chani</ce:surname>
<ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup>
</ce:cross-ref>
</ce:author>
<ce:author><ce:given-name>H.</ce:given-name>
<ce:surname>Morikoshi</ce:surname>
<ce:cross-ref refid="AFF3"><ce:sup>c</ce:sup>
</ce:cross-ref>
</ce:author>
<ce:author><ce:given-name>K.</ce:given-name>
<ce:surname>Shimamura</ce:surname>
<ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup>
</ce:cross-ref>
</ce:author>
<ce:author><ce:given-name>T.</ce:given-name>
<ce:surname>Fukuda</ce:surname>
<ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup>
</ce:cross-ref>
</ce:author>
<ce:affiliation id="AFF1"><ce:label>a</ce:label>
<ce:textfn>Institute for Materials Research, Tohoku University, 980-8577, Sendai, Japan</ce:textfn>
</ce:affiliation>
<ce:affiliation id="AFF2"><ce:label>b</ce:label>
<ce:textfn>Center for Interdisciplinary Research, Tohoku University, 980-8578 Sendai, Japan</ce:textfn>
</ce:affiliation>
<ce:affiliation id="AFF3"><ce:label>c</ce:label>
<ce:textfn>Material Research Center, TDK Corporation, 272-8558, Ichikawa, Chiba, Japan</ce:textfn>
</ce:affiliation>
<ce:correspondence id="CORR1"><ce:label>*</ce:label>
<ce:text>Corresponding author. Fax: +81-22-215-2104</ce:text>
</ce:correspondence>
</ce:author-group>
<ce:date-received day="15" month="4" year="1999"></ce:date-received>
<ce:abstract><ce:section-title>Abstract</ce:section-title>
<ce:abstract-sec><ce:simple-para>Alkali-earth ion (Sr, Ba) substituted La<ce:inf>3</ce:inf>
Ga<ce:inf>5</ce:inf>
SiO<ce:inf>14</ce:inf>
 and La<ce:inf>3</ce:inf>
M<ce:inf>0.5</ce:inf>
G<ce:inf>5.5</ce:inf>
O<ce:inf>14</ce:inf>
 (M=Nb<ce:sup>5+</ce:sup>
,Ta<ce:sup>5+</ce:sup>
) compounds were synthesized by solid state reaction. Sr-substituted La<ce:inf>3</ce:inf>
Ta<ce:inf>0.5</ce:inf>
Ga<ce:inf>5.5</ce:inf>
O<ce:inf>14</ce:inf>
 (Sr-LTG) single crystals were grown by the micro-pulling down and Czochralski techniques. The cation distribution in Sr-LTG has been determined by X-ray structure analysis. Some piezoelectric properties of Sr-LTG crystal are reported and compared with those of pure La<ce:inf>3</ce:inf>
Ta<ce:inf>0.5</ce:inf>
Ga<ce:inf>5.5</ce:inf>
O<ce:inf>14</ce:inf>
.</ce:simple-para>
</ce:abstract-sec>
</ce:abstract>
<ce:keywords class="keyword"><ce:section-title>Keywords</ce:section-title>
<ce:keyword><ce:text>Lanthanum gallates</ce:text>
</ce:keyword>
<ce:keyword><ce:text>Alkali-earth substitution</ce:text>
</ce:keyword>
<ce:keyword><ce:text>Single crystal growth</ce:text>
</ce:keyword>
<ce:keyword><ce:text>Cation distribution</ce:text>
</ce:keyword>
<ce:keyword><ce:text>Piezoelectric</ce:text>
</ce:keyword>
</ce:keywords>
<ce:keywords class="pacs"><ce:section-title>PACS</ce:section-title>
<ce:keyword><ce:text>81.05.Zx</ce:text>
</ce:keyword>
<ce:keyword><ce:text>81.10.Fq</ce:text>
</ce:keyword>
<ce:keyword><ce:text>77.65.Dq</ce:text>
</ce:keyword>
</ce:keywords>
</head>
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<mods version="3.6"><titleInfo><title>Effect of (Sr, Ba) substitution in La3Ga5SiO14 and La3M0.5Ga5.5O14(M=Nb5+, Ta5+) crystals on their synthesis, structure and piezoelectricity</title>
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<titleInfo type="alternative" contentType="CDATA"><title>Effect of (Sr, Ba) substitution in La</title>
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<name type="personal"><namePart type="given">H.</namePart>
<namePart type="family">Takeda</namePart>
<affiliation>E-mail: hirodx@lexus.imr.tohoku.ac.jp</affiliation>
<affiliation>Institute for Materials Research, Tohoku University, 980-8577, Sendai, Japan</affiliation>
<description>Corresponding author. Fax: +81-22-215-2104</description>
<role><roleTerm type="text">author</roleTerm>
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<name type="personal"><namePart type="given">T.</namePart>
<namePart type="family">Kato</namePart>
<affiliation>Institute for Materials Research, Tohoku University, 980-8577, Sendai, Japan</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">V.I.</namePart>
<namePart type="family">Chani</namePart>
<affiliation>Center for Interdisciplinary Research, Tohoku University, 980-8578 Sendai, Japan</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">H.</namePart>
<namePart type="family">Morikoshi</namePart>
<affiliation>Material Research Center, TDK Corporation, 272-8558, Ichikawa, Chiba, Japan</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">K.</namePart>
<namePart type="family">Shimamura</namePart>
<affiliation>Institute for Materials Research, Tohoku University, 980-8577, Sendai, Japan</affiliation>
<role><roleTerm type="text">author</roleTerm>
</role>
</name>
<name type="personal"><namePart type="given">T.</namePart>
<namePart type="family">Fukuda</namePart>
<affiliation>Institute for Materials Research, Tohoku University, 980-8577, Sendai, Japan</affiliation>
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<abstract lang="en">Abstract: Alkali-earth ion (Sr, Ba) substituted La3Ga5SiO14 and La3M0.5G5.5O14 (M=Nb5+,Ta5+) compounds were synthesized by solid state reaction. Sr-substituted La3Ta0.5Ga5.5O14 (Sr-LTG) single crystals were grown by the micro-pulling down and Czochralski techniques. The cation distribution in Sr-LTG has been determined by X-ray structure analysis. Some piezoelectric properties of Sr-LTG crystal are reported and compared with those of pure La3Ta0.5Ga5.5O14.</abstract>
<note type="content">Fig. 1: An illustration of the Ca3Ga2Ge4O14-type structure viewed along (a) [010] and (b) [001] directions.</note>
<note type="content">Fig. 2: Piezoelectric modulus ∣d11∣ versus the lattice parameter, a in Ca3Ga2Ge4O14-type crystals. After Fukuda et al. [8].</note>
<note type="content">Fig. 3: Dependence of lattice parameters on Sr-content (x) in Sr-LTG crystals grown by the μ-PD method.</note>
<note type="content">Fig. 4: Sr-LTG crystals grown under conditions given in experiment (a) No.1 and (b) No. 4 of Table 2. The scales are in mm.</note>
<note type="content">Fig. 5: Sr concentration distribution along the growth axis, analyzed for the Sr-LTG crystal No. 4 (see Fig. 4b), where C0 and Cs are the Sr concentrations in the initial melt and resulting crystal, respectively.</note>
<note type="content">Table 1: Results of (a) the solid state reaction and (b) the μ-PD growtha</note>
<note type="content">Table 2: Experimental growth conditions and characteristics of Sr-LTG crystals grown by the Cz technique</note>
<note type="content">Table 3: Atomic parameters of the Sr-LTG crystal No. 1 with estimated standard deviations in parentheses (R=4.0%, Rw=4.4%)a</note>
<note type="content">Table 4: Mean cation–oxygen distances in Å for the Sr-LTG crystal No. 1 compared with those for LTG</note>
<subject><genre>Keywords</genre>
<topic>Lanthanum gallates</topic>
<topic>Alkali-earth substitution</topic>
<topic>Single crystal growth</topic>
<topic>Cation distribution</topic>
<topic>Piezoelectric</topic>
</subject>
<subject><genre>PACS</genre>
<topic>81.05.Zx</topic>
<topic>81.10.Fq</topic>
<topic>77.65.Dq</topic>
</subject>
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<part><date>19990830</date>
<detail type="volume"><number>290</number>
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Effect of (Sr, Ba) substitution in La3Ga5SiO14 and La3M0.5Ga5.5O14(M=Nb5+, Ta5+) crystals on their synthesis, structure and piezoelectricity

Effect of (Sr, Ba) substitution in La3Ga5SiO14 and La3M0.5Ga5.5O14(M=Nb5+, Ta5+) crystals on their synthesis, structure and piezoelectricity

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