JPH0274557A - Pottery device - Google Patents
Pottery deviceInfo
- Publication number
- JPH0274557A JPH0274557A JP63300103A JP30010388A JPH0274557A JP H0274557 A JPH0274557 A JP H0274557A JP 63300103 A JP63300103 A JP 63300103A JP 30010388 A JP30010388 A JP 30010388A JP H0274557 A JPH0274557 A JP H0274557A
- Authority
- JP
- Japan
- Prior art keywords
- superconducting
- crystal structure
- compound oxide
- perovskite crystal
- high temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013078 crystal Substances 0.000 claims abstract description 9
- 230000002285 radioactive effect Effects 0.000 claims abstract description 9
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 11
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract 2
- 229910000765 intermetallic Inorganic materials 0.000 abstract 2
- 239000000463 material Substances 0.000 description 12
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002887 superconductor Substances 0.000 description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical class [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 235000013929 Psidium pyriferum Nutrition 0.000 description 2
- 244000236580 Psidium pyriferum Species 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Abstract
Description
【発明の詳細な説明】
本発明は特殊陶磁器体（超電導体）に関する。従来より
陶磁体（セラミックス）等は、全て絶縁体と考えられて
いたが、本発明に係る特殊陶磁体組成物に限り、電気伝
導のｔぐれｆコ性質を得する超電導体となることを発見
発明されるに至ったものである。現在最高の臨界温度で
力く超電導物質として認められているＮｂｔＧｅである
が、臨界温度は２３、ＧＫである。今日これ以上の高温
でのく超電導系材は全く発見されていない実情である。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a special ceramic body (superconductor). Traditionally, all ceramics have been considered to be insulators, but it was discovered and invented that only the special ceramic composition according to the present invention becomes a superconductor that obtains the characteristics of electrical conduction. This is what led to it being done. NbtGe, which is currently recognized as a superconducting material with the highest critical temperature, has a critical temperature of 23 GK. The current situation is that no superconducting material that can withstand higher temperatures than this has been discovered.
本発明は、上記の如く公知されたＮ ｂ、Ｇ ｅより、
乙かに高温で超電導となる超電導素材を供するにのる。The present invention is based on the well-known N b and Ge as described above.
The goal is to provide superconducting materials that become superconducting at high temperatures.
特殊陶磁体素材原料として、バリウム、（又はヒスマス
）ランタン、ストロンチウム、銅の酸化物等（各種結晶
構造を呈する混合体）を、これら物質を構成する原料の
中に、これらの物質と同一元素からなる放射性同位元素
を配合して、高圧、高温焼結して本発明に至ったもので
ある。Barium, lanthanum (or hismuth), strontium, copper oxides, etc. (mixtures exhibiting various crystal structures) are used as raw materials for special ceramic materials. The present invention was achieved by blending radioactive isotopes and sintering at high pressure and high temperature.
本発明は一般式 ■Ｌ ａＢ ａＳ ｒＣＵ３０７−Ｘ
又は ■Ｂ ｉＢ ａＳ ｒＣＬＩ：＋０７−Ｘ。The present invention is based on the general formula ■L aBaS rCU307-X
or ■B iB aS rCLI: +07-X.
■Ｂ ＋Ｓ ｒｔｃ Ｕ３０７ Ｘ。■B + S rtc U307 X.
（但し Ｘ＝１〜６整数値を示す）
でなる組成物を主体とし、更に、これら組成物原料と同
一元素からなる放射性同位元素（例えばＳｒ ９０等）
を、これら組成物原料の中に、夫々、０．１％以上以上
配合した上、これら混合素材を高圧高温焼結したところ
、ペロプスカイト結晶構造セラミックスとなる。但し、
上記組成吟料の内のＳｒには５ｒｓ０（放射性同位元素
）を最少ＦＡ、０．１％以上最大限３０％以下を配合す
るものとする。尚、５ｒｌ１０に代えＣｏ”を配合割合
で最大値１０％迄とする置換えも可能である。又、Ｂ
ａｒＪ） ｆｉｌを減縮して、これに代えてＳｒ（又は
ＣＯ等）に置換えできる。(However, X = 1 to 6 integer value) Mainly composed of a composition consisting of the following, and furthermore, a radioactive isotope consisting of the same element as the raw material of these compositions (for example, Sr 90 etc.)
are mixed into these composition raw materials in an amount of 0.1% or more, respectively, and the mixed materials are sintered at high pressure and high temperature to obtain perovskite crystal structure ceramics. however,
Among the above composition materials, Sr shall contain 5rs0 (radioactive isotope) with a minimum FA of 0.1% or more and a maximum of 30% or less. In addition, it is also possible to replace 5rl10 with Co'' at a maximum blending ratio of 10%.Also, B
arJ) fil can be reduced and replaced with Sr (or CO, etc.).
尚、Ｌａ、 Ｂｉ、 Ｃｕ、 Ｂａ等の内に同種元素の
放射性同位元素を増量配合した時超電導臨界温度が、下
記実施例よりも上昇することが判明している。It has been found that when an increased amount of radioactive isotope of the same type of elements as La, Bi, Cu, Ba, etc. is added, the superconducting critical temperature increases more than in the following examples.
上記一般式で表わされる放射性同位元素を含む組成物か
らなるペロプスカイト型結晶構造となる陶磁体である本
発明物質は、従来知らノ；でいる超電導金属等より遥か
に高温で超電導となる。以下実施例から本発明を具体的
に説明する。The material of the present invention, which is a ceramic material having a perovskite crystal structure made of a composition containing a radioactive isotope represented by the above general formula, becomes superconducting at a much higher temperature than conventionally known superconducting metals. The present invention will be specifically explained below using Examples.
実施例（１）
一般式Ｌ ａＢ ａＳ ｒＣｕ３０７− ｘて表示され
た混合素材の中のＳｒにＳ ｒ８０を５％配合しｆこ場
合の例Ｌａ１Ｏｔ、ＢａＣ０ｚ、５ｒＣＯｔ、（又は５
ｒＯ）及び、ＣｕＯの各粉抹をメノウ乳鉢で混合しく但
し、ＳｒにはＳ 、ｇｏを５％配合する）ルツボに入れ
約１０００℃約１２時間反応させた上、これを粉砕し、
粉抹状にした上、約１ｋｇ／ｃｍ’で加圧して、ベレッ
ト状にしたしのを、炉中で約１０００°Ｃで約４〜６時
間焼結した結果、ペロブスカイト型結晶構造となること
が判った。これを電気抵抗測定したところ、本資料は約
９０に以下で超電導となることが判明している。Example (1) 5% Sr80 is blended with Sr in the mixed material represented by the general formula L aBaS rCu307- x Example of this case La1Ot, BaC0z, 5rCOt, (or 5
Mix powders of rO) and CuO in an agate mortar (however, 5% of S and go are added to Sr) in a crucible, react at about 1000°C for about 12 hours, and then crush this.
After grinding into powder and pressurizing at about 1 kg/cm' to form a pellet, the shinobi is sintered in a furnace at about 1000°C for about 4 to 6 hours, resulting in a perovskite crystal structure. It turns out. When the electrical resistance of this material was measured, it was found that this material becomes superconducting at about 90% or less.
実施例（２）
一般式Ｂ ｉＢ ａＳ ｒＣ＋ｇ０７− Ｘで表示され
た素材を上記実施例（＋）と同一条件下で、同一方法で
焼結した時、上記実施例（１）と同じにべロブスカイｈ
型結晶構造となった。この陶磁体を電気抵抗測定したと
ころ、本資料は約１２０に以下で超電導となることが判
明した。Example (2) When a material represented by the general formula B iB aS rC + g07- h
It became a type crystal structure. When the electrical resistance of this ceramic material was measured, it was found that this material becomes superconducting at about 120 or less.
実施例（３）
一般式Ｂ ｉＳ ｒｘｃ ｕｚｏ ？−ｙ、て表示され
た素（オを上記（１）と同一条件下で同一方法で焼結し
た場合ら上記実施例（１）と同しペロブスカイト型結晶
構造となり、電気抵抗測定の結果は約１４０にで超電導
となった。Example (3) General formula B iS rxc uzo ? -y, When sintering the element (O) indicated as (y) under the same conditions and in the same method as in (1) above, it becomes the same perovskite crystal structure as in Example (1) above, and the electrical resistance measurement results are approximately It became superconducting at 140.
その余の実施例（４）
上記（１）、（２）、（３）の実施例の素手オ原料中に
Ｓ ｒｓｏ等放射性同位元素を全く配合しない場合は夫
々より低温の約２５に以上で超電導となることら判明し
ている。Other Examples (4) When no radioactive isotope such as S rso is added to the bare metal raw materials of Examples (1), (2), and (3) above, the temperature at a lower temperature of about 25 or higher is obtained. It has been proven that it is superconducting.
（本発明の効果）
本発明に係る内磁体超電導性材料は、従来の金属超電導
体のＮ ｂｔＧ ｅ等より遥か高温で超電導となるため
超電導線材としては勿論、電気産業全般に及ばずトリ益
等は計り知れないものがある。(Effects of the present invention) The inner magnetic superconducting material according to the present invention becomes superconducting at a much higher temperature than conventional metal superconductors such as N btG e, so it is not suitable for use as a superconducting wire material, but it is not suitable for the electrical industry in general, and has no utility in the industry. There is something immeasurable about it.
Claims (1)
（２）ＢｉＢａＳｒＣｕ＿３Ｏ＿７−ｘ，（３）ＢｉＳ
ｒ＿２Ｃｕ＿３Ｏ＿７−ｘ， （但しｘ＝１〜６整数値を示す） でなる組成物と、これらの同一元素からなる放射性同位
元素を、夫々、０．１％以上配合したペロブスカイト型
結晶構造体で、底温冷却下超電導性となることを特徴と
した超電導性陶磁器。[Claims] General formula (1) LaBaSrCu_3O_7-x, or (2) BiBaSrCu_3O_7-x, (3) BiS
r_2Cu_3O_7-x, (where x represents an integer value of 1 to 6) and a perovskite-type crystal structure containing 0.1% or more of each of these same elements as radioactive isotopes. Superconducting ceramics characterized by becoming superconducting under warm cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63300103A JPH0274557A (en) | 1987-11-30 | 1988-11-28 | Pottery device |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30204387 | 1987-11-30 | ||
| JP62-302043 | 1987-11-30 | ||
| JP62-315827 | 1987-12-14 | ||
| JP63300103A JPH0274557A (en) | 1987-11-30 | 1988-11-28 | Pottery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0274557A true JPH0274557A (en) | 1990-03-14 |
Family
ID=26562209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63300103A Pending JPH0274557A (en) | 1987-11-30 | 1988-11-28 | Pottery device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0274557A (en) |
-
1988
- 1988-11-28 JP JP63300103A patent/JPH0274557A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5145831A (en) | High-tc oxide superconductor and method for producing the same | |
| JPH0274557A (en) | Pottery device | |
| JP2854338B2 (en) | Copper oxide superconductor | |
| JPH03242322A (en) | Production of oxide superconductor | |
| JP2593475B2 (en) | Oxide superconductor | |
| JP2698689B2 (en) | Oxide superconducting material and manufacturing method thereof | |
| EP0286372A2 (en) | Oxide superconductor and manufacturing method thereof | |
| RU2064909C1 (en) | Method of producing superconducting oxide material based on yttrium-barium cuprite | |
| JP2637617B2 (en) | Manufacturing method of superconducting material | |
| JP2778100B2 (en) | Oxide superconducting material and method for producing the same | |
| JP2507538B2 (en) | Method for manufacturing oxide superconductor | |
| JPH01275433A (en) | Multiple oxide superconducting material and production thereof | |
| JP2556095B2 (en) | Superconductor manufacturing method | |
| JPS63248721A (en) | Superconductor | |
| JPH02267154A (en) | Ceramic superconductive body | |
| JPH01111764A (en) | Superconducting ceramic composition | |
| Sakurai et al. | N-type oxide superconductor represented by the formula (Nd x (Ce y L z) 2 CuO 4-d where L is La, Mg or a mixture of alakaline earth elements | |
| JPH01160855A (en) | Production of superconductor | |
| JPH01212227A (en) | Oxide superconducting material | |
| JPH01172259A (en) | Production of ceramic superconducting molded body | |
| JPH03146416A (en) | Oxide superconductor | |
| JPH01301512A (en) | Oxide superconductor with high critical current density | |
| JPH01100018A (en) | Preparation of high-temperature superconducting ceramic raw powder | |
| JPH0292826A (en) | Oxide superconductor | |
| JPH02129022A (en) | Oxide superconducting material |