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TITANIUM OXIDE, POWDER, POWDER COMPOSITION, SOLID COMPOSITION, LIQUID COMPOSITION, AND MOLDED BODY
To provide a material having a maximum absolute value negative thermal coefficient of linear expansion in a comparatively low temperature range.SOLUTION: A titanium oxide satisfies the following requirements 1-3. Requirement 1: A(T) is less than 0.3780 at T=25°C where A(T) is (a lattice constant of an a-axis (short axis) of the titanium oxide)/(a lattice constant of a c-axis (long axis) of the titanium oxide) at a temperature T, and the lattice constants are obtained by X-ray diffraction measurement of the titanium oxide. Requirement 2: a metal other than titanium and/or a metalloid element are/is contained. Requirement 3: the total mol content of the metal other than titanium and the metalloid element is a mol content of titanium or less.SELECTED DRAWING: Figure 1
【課題】比較的低い温度域において最大の絶対値の負の熱線膨張係数を有する材料を提供する【解決手段】以下の要件１〜３を満たす、チタン酸化物。要件１：Ａ（Ｔ）がＴ＝２５℃において０．３７８０未満である。Ａ（Ｔ）は温度Ｔにおける（前記チタン酸化物のａ軸（短軸）の格子定数）／（前記チタン酸化物のｃ軸（長軸）の格子定数）であり、各前記格子定数は前記チタン酸化物のＸ線回折測定から得られる。要件２：チタン以外の金属及び／又は半金属元素を含有する。要件３：チタン以外の金属及び半金属元素の合計モル含有量は、チタンのモル含有量以下である。【選択図】図１
TITANIUM OXIDE, POWDER, POWDER COMPOSITION, SOLID COMPOSITION, LIQUID COMPOSITION, AND MOLDED BODY
To provide a material having a maximum absolute value negative thermal coefficient of linear expansion in a comparatively low temperature range.SOLUTION: A titanium oxide satisfies the following requirements 1-3. Requirement 1: A(T) is less than 0.3780 at T=25°C where A(T) is (a lattice constant of an a-axis (short axis) of the titanium oxide)/(a lattice constant of a c-axis (long axis) of the titanium oxide) at a temperature T, and the lattice constants are obtained by X-ray diffraction measurement of the titanium oxide. Requirement 2: a metal other than titanium and/or a metalloid element are/is contained. Requirement 3: the total mol content of the metal other than titanium and the metalloid element is a mol content of titanium or less.SELECTED DRAWING: Figure 1
【課題】比較的低い温度域において最大の絶対値の負の熱線膨張係数を有する材料を提供する【解決手段】以下の要件１〜３を満たす、チタン酸化物。要件１：Ａ（Ｔ）がＴ＝２５℃において０．３７８０未満である。Ａ（Ｔ）は温度Ｔにおける（前記チタン酸化物のａ軸（短軸）の格子定数）／（前記チタン酸化物のｃ軸（長軸）の格子定数）であり、各前記格子定数は前記チタン酸化物のＸ線回折測定から得られる。要件２：チタン以外の金属及び／又は半金属元素を含有する。要件３：チタン以外の金属及び半金属元素の合計モル含有量は、チタンのモル含有量以下である。【選択図】図１
TITANIUM OXIDE, POWDER, POWDER COMPOSITION, SOLID COMPOSITION, LIQUID COMPOSITION, AND MOLDED BODY
チタン酸化物、粉体、粉体組成物、固体組成物、液体組成物、及び成形体
DOI ATSUNORI (author) / SHIMANO SATORU (author) / TAGUCHI KOJIRO (author) / TOKURA YOSHINORI (author)
2021-10-11
Patent
Electronic Resource
Japanese
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