&lt;title&gt;Growth and structure of strontium-doped LaGaO&lt;formula&gt;&lt;inf&gt;&lt;roman&gt;3&lt;/roman&gt;&lt;/inf&gt;&lt;/formula&gt;&lt;/title&gt;

, 74.72 (SrAl 0.5 Ta 0.5 O 3 ) 1-x-y (LaAlO 3 ) x (CaAl 0.5 Ta 0.5 O 3 ) y perovskite crystals of general formula ABO 3 (where A = Sr 1-x-y La x Ca y and B = Al 1/2+x/2 Ta 1/2-x/2 ) were grown by the Czochralski and floating zone methods in wide a composition range. The experiments allowed us to determine regions on the composition diagram where solid solution crystals exist. The structure of the crystals at room temperatures was investigated by X-ray measurements. Structure of the crystals at constant radius of B-ions depends on the volume of a primitive perovskite unit cell. Thus, the structure undergoes transition from the cubic lattice of Fm3m + Pm3m space group symmetry through tetragonal (P4/mbm) to orthorhombic (Pbnm) with decreasing the primitive perovskite unit cell volume. One expects that with changing the temperature the crystals undergo second order structural phase transitions but no heat effects by differential scanning calorimetry were observed. There were no twins detected in the crystals with the cubic and tetragonal structures. The range of the lattice parameters variation and the high melting point indicate that these crystals may be used as substrates for HTSc, manganites or GaN epitaxial layers because of their high thermal and chemical stability.

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Determination of growth conditions and structure of SrAl_0.5Ta_0.5O₃ : LaAlO₃ : CaAl_0.5Ta_0.5O₃ crystals

Aleksiyko

Berkowski

Fink‐Finowicki

et al. 2005

Cryst. Res. Technol.

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Growth and characterization of perovskite LaGaO3 crystals doped with Sr and Mn

Głowacki

Runka

Domukhovski

et al. 2011

Journal of Alloys and Compounds

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Growth and structure of SrAl0.5Ta0.5O3:LaAlO3 solid solutions single crystals

Berkowski¹,

Fink‐Finowicki²,

Diduszko³

et al. 2003

Journal of Crystal Growth

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<title>Growth and structure of strontium-doped LaGaO<formula><inf><roman>3</roman></inf></formula></title>

Cited by 5 publications

References 3 publications

Determination of growth conditions and structure of SrAl_0.5Ta_0.5O₃ : LaAlO₃ : CaAl_0.5Ta_0.5O₃ crystals

Determination of growth conditions and structure of SrAl_0.5Ta_0.5O₃ : LaAlO₃ : CaAl_0.5Ta_0.5O₃ crystals

Growth and characterization of perovskite LaGaO3 crystals doped with Sr and Mn

Growth and structure of SrAl0.5Ta0.5O3:LaAlO3 solid solutions single crystals

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<title>Growth and structure of strontium-doped LaGaO<formula><inf><roman>3</roman></inf></formula></title>

Cited by 5 publications

References 3 publications

Determination of growth conditions and structure of SrAl0.5Ta0.5O3 : LaAlO3 : CaAl0.5Ta0.5O3 crystals

Determination of growth conditions and structure of SrAl0.5Ta0.5O3 : LaAlO3 : CaAl0.5Ta0.5O3 crystals

Growth and characterization of perovskite LaGaO3 crystals doped with Sr and Mn

Growth and structure of SrAl0.5Ta0.5O3:LaAlO3 solid solutions single crystals

Contact Info

Product

Resources

About

Determination of growth conditions and structure of SrAl_0.5Ta_0.5O₃ : LaAlO₃ : CaAl_0.5Ta_0.5O₃ crystals

Determination of growth conditions and structure of SrAl_0.5Ta_0.5O₃ : LaAlO₃ : CaAl_0.5Ta_0.5O₃ crystals