TOP > 外国特許検索 > RUTHENIUM OXIDE AND METHOD FOR PRODUCING RUTHENIUM OXIDE

RUTHENIUM OXIDE AND METHOD FOR PRODUCING RUTHENIUM OXIDE

外国特許コード F180009331
整理番号 S2016-0351-C0
掲載日 2018年2月27日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2017JP004948
国際公開番号 WO 2017138643
国際出願日 平成29年2月10日(2017.2.10)
国際公開日 平成29年8月17日(2017.8.17)
優先権データ
  • 特願2016-024783 (2016.2.12) JP
発明の名称 (英語) RUTHENIUM OXIDE AND METHOD FOR PRODUCING RUTHENIUM OXIDE
発明の概要(英語) [Problem] To provide a ruthenium compound which shows large negative thermal expansion. [Solution] A ruthenium oxide of the present disclosure is represented by general formula (1) Ca2-xRxRu1-yMyO4+z (in formula (1), R represents at least one element selected from among alkaline earth metals and rare earth elements; M represents at least one element selected from among Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn and Ga; 0 ≤ x
特許請求の範囲(英語) [claim1]
1. Represented by the following general formula (1) and ruthenium oxide. In the general formula (1) Ca2-xRxRu1-yMyO4+z(in the general formula (1), R is alkali earth metal or at least one kind of element selected from rare earth elements and 1, Sc is M, Ti, V, Cr, Mn, Fe, Co, Ni, cu, Zn, Ga and at least one kind of element selected from the group consisting of a 1, 0 ≦ x<0.2,0≦y<
[claim2]
0. 3, which is -1<z<-0.02.)
[claim3]
2. In the general formula (1), R is Sr, Ba, Y, La, Ce, Pr, Nd, Sm and at least one kind of element 1, Ti is M, V, Cr, Mn, Fe, Co, Ni, cu, 1 Zn and at least one kind of element of, characterized in that the ruthenium oxide according to claim 1.
[claim4]
3. In the general formula (1), R is Sr, Ba and at least one kind of element 1, the Cr M, Mn, Fe, at least one kind of element 1 cu, according to claim 1 and ruthenium oxide.
[claim5]
4. In the general formula (1), x=y=0 according to claim 1 and characterized in that the ruthenium oxide.
[claim6]
5. Represented by the following general formula (2), and the temperature of the temperature (Tmin<Tmax) Tmin to Tmax negative thermal expansion over, at a temperature Tmin to Tmax and the temperature in the volume of which is a ratio of a change in the volume of the total amount of the increase of volume of Δ V/V is, greater than 1%, characterized in that the ruthenium oxide. In the general formula (2) Ca2-xRxRu1-yMyO4+z(in the general formula (2), R is alkali earth metal or at least one kind of element selected from rare earth elements and 1, Sc is M, Ti, V, Cr, Mn, Fe, Co, Ni, cu, Zn, Ga and at least one kind of element selected from the group consisting of a 1, 0 ≦ x<0.2,0≦y<
[claim7]
0. 3, which is -1<z<1.)
[claim8]
6. In the general formula (2), R is Sr, Ba, Y, La, Ce, Pr, Nd, Sm and at least one kind of element 1, Ti is M, V, Cr, Mn, Fe, Co, Ni, cu, 1 Zn and at least one kind of element of, characterized in that the ruthenium oxide according to claim 5.
[claim9]
7. In the general formula (2), is R Sr, Ba and at least one kind of element 1, the Cr M, Mn, Fe, at least one kind of element 1 cu, according to claim 5 and ruthenium oxide.
[claim10]
8. In the general formula (2), x=y=0 according to claim 5 characterized in that ruthenium oxide.
[claim11]
9. Represented by the following general formula (3) and ruthenium oxide. In the general formula (3) Ca2-xRxRu1-y1-y2Sny1My2O4+z(in the general formulae (3), of the alkali earth metal or rare earth elements R is at least one kind of element selected from the group consisting 1 and, M is Sc, Ti, V, Cr, Mn, Fe, Co, Ni, cu, Zn, Ga and at least one kind of element selected from the group consisting of a 1, 0 ≦ x<0.2,0<y1<0.5,0≦y2≦0.2,0<y1+y2≦0. 6, which is -1<z<1.)
[claim12]
10. In the general formula (3), R is Sr, Ba, Y, La, Ce, Pr, Nd, Sm and at least one kind of element 1, Ti is M, V, Cr, Mn, Fe, Co, Ni, cu, at least one kind of element 1 Zn, characterized in that the ruthenium oxide according to claim 9.
[claim13]
11. In the general formula (3), R is Sr, Ba and at least one kind of element 1, the Cr M, Mn, Fe, at least one kind of element 1 cu, according to claim 9 and ruthenium oxide.
[claim14]
12. In the general formula (3), x=y2=0 according to claim 9 characterized in that it is ruthenium oxide.
[claim15]
13. (Tmin<Tmax) Tmax of the temperature from the temperature Tmin indicates a negative thermal expansion over, at a temperature in the temperature Tmin Tmax of the volume of the volume of the total amount of the increase of the percentage change in the volume Δ V/V, greater than 1%, and claims 1-4, 1 of any one of the claims 9-12 and ruthenium oxide.
[claim16]
14. And the linear expansion coefficient is - 20x10-6/°C less than or equal to 1 and any one of claims 1-13 comprises ruthenium oxide.
[claim17]
15. 100°C negative thermal expansion over the temperature range of greater than or equal to 1 of any one of the claims 1-14 and ruthenium oxide.
[claim18]
16. Having a layered perovskite type crystal structure as claimed in claim 1 wherein any of the claims 1-15 and ruthenium oxide.
[claim19]
17. Wherein any of the claims 1-16 1 characterized in that it comprises ruthenium oxide and the thermal expansion inhibitor.
[claim20]
18. Wherein any of the claims 1-16 1 characterized in that it comprises ruthenium oxide and a negative thermal expansion material.
[claim21]
19. Wherein any of the claims 1-16 1 comprising ruthenium oxide and the zero thermal expansion material.
[claim22]
20. Wherein any of the claims 1-16 1 comprising ruthenium oxide and the low thermal expansion material.
[claim23]
21. An oxide of ruthenium represented by (4) the general formula below, including oxygen, the oxygen partial pressure under an atmosphere of 0.3 atm or less, 1400°C less than 1100°C to heat treatment at a temperature greater than the heat treatment includes the step of reducing, by the method of manufacturing the ruthenium oxide. In the general formula (4) Ca2-xRxRu1-yMyO4+z(in the general formula (4), R is alkali earth metal or rare earth elements and at least one kind of element selected from the group consisting 1, Sc is M, Ti, V, Cr, Mn, Fe, Co, Ni, cu, Zn, Ga and at least one kind of element selected from the group consisting of a 1, 0 ≦ x<0.2,0≦y<
[claim24]
0. 3, which is -1<z<1.)
[claim25]
22. In the general formula (4), R is Sr, Ba, Y, La, Ce, Pr, Nd, Sm and at least one kind of element 1, Ti is M, V, Cr, Mn, Fe, Co, Ni, cu, 1 Zn and at least one kind of element of, wherein the method of manufacturing according to claim 21 and ruthenium oxide.
[claim26]
23. In the general formula (4), is R Sr, Ba and at least one kind of element 1, the Cr M, Mn, Fe, at least one kind of element 1 cu, characterized in that the method of manufacturing according to claim 21 and ruthenium oxide.
[claim27]
24. In the general formula (4), x=y=0 wherein a method of manufacturing according to claim 21 and ruthenium oxide.
[claim28]
25. A ruthenium oxide represented by (5) the general formula below, including oxygen, the oxygen partial pressure under an atmosphere of 0.3 atm or less, 1400°C less than 1100°C greater than the heat treatment comprises heat treatment at a temperature of the reducing agent, characterized in that the method of manufacturing the ruthenium oxide. In the general formula (5) Ca2-xRxRu1-y1-y2Sny1My2O4+z(in the general formula (5), R is alkali earth metal or at least one kind of element selected from rare earth elements and 1, Sc is M, Ti, V, Cr, Mn, Fe, Co, Ni, cu, Zn, Ga and at least one kind of element selected from the group consisting of a 1, 0 ≦ x<0.2,0<y1<0.5,0≦y2≦0.2,0<y1+y2≦0. 6, which is -1<z<1.)
[claim29]
26. In the general formula (5), R is Sr, Ba, Y, La, Ce, Pr, Nd, Sm and at least one kind of element 1, Ti is M, V, Cr, Mn, Fe, Co, Ni, cu, 1 Zn and at least one kind of element of, wherein the method of manufacturing according to claim 25 ruthenium oxide.
[claim30]
27. In the general formula (5), R is Sr, Ba and at least one kind of element 1, the Cr M, Mn, Fe, at least one kind of element 1 cu, characterized in that the method of manufacturing according to claim 25 ruthenium oxide.
[claim31]
28. In the general formula (5), x=y2=0 wherein the the method of manufacturing according to claim 25 and ruthenium oxide.
[claim32]
29. Is ruthenium oxide, and solid-phase reaction method in the firing step, the firing step, the heat treatment step also serving as a reducing agent, and wherein any of the claims 21-28 1 the method of manufacturing the ruthenium oxide.
[claim33]
30. Is ruthenium oxide, the solid phase reaction method in accordance with the generated in the firing step, after the step of the above-mentioned firing, and wherein the reduction of conducting a heat treatment, characterized in that the method of manufacturing according to claim 28 to claim 21 and ruthenium oxide.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • NAGOYA UNIVERSITY
  • 発明者(英語)
  • TAKENAKA KOSHI
  • OKAMOTO YOSHIHIKO
  • SHINODA TSUBASA
  • INOUE NARUHIRO
国際特許分類(IPC)
指定国 (WO2017138643)
National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS JP KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
名古屋大学の公開特許情報を掲載しています。ご関心のある案件がございましたら、下記まで電子メールでご連絡ください。

PAGE TOP

close
close
close
close
close
close