Ternary Suboxides Ti7Ga2O6, Ti3GaO, and Ti5Ga3O

Hisanori Yamane; Shinsaku Amano

doi:10.1021/acs.inorgchem.8b01109

Ternary Suboxides Ti₇Ga₂O₆, Ti₃GaO, and Ti₅Ga₃O

Hisanori Yamane, Shinsaku Amano

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2 Citations (Scopus)

Abstract

Single crystals of the new suboxides Ti₇Ga₂O₆ and Ti₃GaO were prepared using a Bi flux. Ti₇Ga₂O₆ has a novel monoclinic crystal structure (a = 17.3111(8) Å, b = 2.97660(10) Å, c = 7.2563(3) Å, β = 105.836(2)°, space group C2/m), in which three O sites and one Ga site are separately coordinated by Ti atoms. Ti₃GaO crystallizes in an orthorhombic cell (a = 3.0952(2) Å, b = 10.6440(7) Å, c = 8.3206(5) Å, space group Cmcm) with a filled-Re₃B type (anti-CaIrO₃ type or antipost-perovskite type) structure. The electrical resistivities of a single crystal of Ti₃GaO as measured in the c-axis direction were 1.6 × 10^-6 ?m at 300 K and 0.15 × 10^-6 ?m at 10 K. Single crystals of Ti₅Ga₃O_x (x = 1) with a filled-Mn₅Si₃ type structure (hexagonal, a = 7.5882(2) Å, c = 5.30170(10) Å, space group P6₃/mcm) were also obtained.

Original language	English
Pages (from-to)	9941-9948
Number of pages	8
Journal	Inorganic chemistry
Volume	57
Issue number	16
DOIs	https://doi.org/10.1021/acs.inorgchem.8b01109
Publication status	Published - 2018 Aug 20

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry

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10.1021/acs.inorgchem.8b01109

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title = "Ternary Suboxides Ti7Ga2O6, Ti3GaO, and Ti5Ga3O",

abstract = "Single crystals of the new suboxides Ti7Ga2O6 and Ti3GaO were prepared using a Bi flux. Ti7Ga2O6 has a novel monoclinic crystal structure (a = 17.3111(8) {\AA}, b = 2.97660(10) {\AA}, c = 7.2563(3) {\AA}, β = 105.836(2)°, space group C2/m), in which three O sites and one Ga site are separately coordinated by Ti atoms. Ti3GaO crystallizes in an orthorhombic cell (a = 3.0952(2) {\AA}, b = 10.6440(7) {\AA}, c = 8.3206(5) {\AA}, space group Cmcm) with a filled-Re3B type (anti-CaIrO3 type or antipost-perovskite type) structure. The electrical resistivities of a single crystal of Ti3GaO as measured in the c-axis direction were 1.6 × 10-6 ?m at 300 K and 0.15 × 10-6 ?m at 10 K. Single crystals of Ti5Ga3Ox (x = 1) with a filled-Mn5Si3 type structure (hexagonal, a = 7.5882(2) {\AA}, c = 5.30170(10) {\AA}, space group P63/mcm) were also obtained.",

author = "Hisanori Yamane and Shinsaku Amano",

note = "Funding Information: We thank Takashi Kamaya for performing the EPMA analyses. This work was supported in part by a Grant-in-Aid for Scientific Research (B) (no.16H04494) from the Ministry of Education, Culture, Sports, and Technology (MEXT), Japan. Publisher Copyright: {\textcopyright} 2018 American Chemical Society.",

year = "2018",

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day = "20",

doi = "10.1021/acs.inorgchem.8b01109",

language = "English",

volume = "57",

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T1 - Ternary Suboxides Ti7Ga2O6, Ti3GaO, and Ti5Ga3O

AU - Yamane, Hisanori

AU - Amano, Shinsaku

N1 - Funding Information: We thank Takashi Kamaya for performing the EPMA analyses. This work was supported in part by a Grant-in-Aid for Scientific Research (B) (no.16H04494) from the Ministry of Education, Culture, Sports, and Technology (MEXT), Japan. Publisher Copyright: © 2018 American Chemical Society.

PY - 2018/8/20

Y1 - 2018/8/20

N2 - Single crystals of the new suboxides Ti7Ga2O6 and Ti3GaO were prepared using a Bi flux. Ti7Ga2O6 has a novel monoclinic crystal structure (a = 17.3111(8) Å, b = 2.97660(10) Å, c = 7.2563(3) Å, β = 105.836(2)°, space group C2/m), in which three O sites and one Ga site are separately coordinated by Ti atoms. Ti3GaO crystallizes in an orthorhombic cell (a = 3.0952(2) Å, b = 10.6440(7) Å, c = 8.3206(5) Å, space group Cmcm) with a filled-Re3B type (anti-CaIrO3 type or antipost-perovskite type) structure. The electrical resistivities of a single crystal of Ti3GaO as measured in the c-axis direction were 1.6 × 10-6 ?m at 300 K and 0.15 × 10-6 ?m at 10 K. Single crystals of Ti5Ga3Ox (x = 1) with a filled-Mn5Si3 type structure (hexagonal, a = 7.5882(2) Å, c = 5.30170(10) Å, space group P63/mcm) were also obtained.

AB - Single crystals of the new suboxides Ti7Ga2O6 and Ti3GaO were prepared using a Bi flux. Ti7Ga2O6 has a novel monoclinic crystal structure (a = 17.3111(8) Å, b = 2.97660(10) Å, c = 7.2563(3) Å, β = 105.836(2)°, space group C2/m), in which three O sites and one Ga site are separately coordinated by Ti atoms. Ti3GaO crystallizes in an orthorhombic cell (a = 3.0952(2) Å, b = 10.6440(7) Å, c = 8.3206(5) Å, space group Cmcm) with a filled-Re3B type (anti-CaIrO3 type or antipost-perovskite type) structure. The electrical resistivities of a single crystal of Ti3GaO as measured in the c-axis direction were 1.6 × 10-6 ?m at 300 K and 0.15 × 10-6 ?m at 10 K. Single crystals of Ti5Ga3Ox (x = 1) with a filled-Mn5Si3 type structure (hexagonal, a = 7.5882(2) Å, c = 5.30170(10) Å, space group P63/mcm) were also obtained.

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U2 - 10.1021/acs.inorgchem.8b01109

DO - 10.1021/acs.inorgchem.8b01109

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JO - Inorganic Chemistry

JF - Inorganic Chemistry

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Ternary Suboxides Ti₇Ga₂O₆, Ti₃GaO, and Ti₅Ga₃O

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