Bismuth iron oxide powder, manufacturing method for the bismuth iron oxide powder, dielectric ceramics, piezoelectric element, liquid discharge head, and ultrasonic motor
Provided is a lead-free dielectric ceramics having a low leakage current value, and a bismuth iron oxide powder as a raw material thereof. The bismuth iron oxide powder includes at least: (A) grains including a bismuth iron oxide having a perovskite-type crystal structure; (B) grains including a bis...
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| creator | SHIMIZU CHIEMI SHIMADA MIKIO UCHIDA FUMIO KUBOTA MAKOTO YABUTA HISATO TAKASHIMA KENJI MAEDA KENJI |
| description | Provided is a lead-free dielectric ceramics having a low leakage current value, and a bismuth iron oxide powder as a raw material thereof. The bismuth iron oxide powder includes at least: (A) grains including a bismuth iron oxide having a perovskite-type crystal structure; (B) grains including a bismuth iron oxide having a crystal structure classified to a space group Pbam; and (C) grains including a bismuth iron oxide or a bismuth oxide having a crystal structure that is classified to a space group I23. The dielectric ceramics are made of bismuth iron oxide in which the bismuth iron oxide crystals having the crystal structure classified to the space group Pbam are distributed at a grain boundary of crystal grains of the bismuth iron oxide crystals having the perovskite-type crystal structure. |
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The bismuth iron oxide powder includes at least: (A) grains including a bismuth iron oxide having a perovskite-type crystal structure; (B) grains including a bismuth iron oxide having a crystal structure classified to a space group Pbam; and (C) grains including a bismuth iron oxide or a bismuth oxide having a crystal structure that is classified to a space group I23. The dielectric ceramics are made of bismuth iron oxide in which the bismuth iron oxide crystals having the crystal structure classified to the space group Pbam are distributed at a grain boundary of crystal grains of the bismuth iron oxide crystals having the perovskite-type crystal structure.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONCRETE CORRECTION OF TYPOGRAPHICAL ERRORS ELECTRICITY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INORGANIC CHEMISTRY LIME, MAGNESIA LINING MACHINES MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY NANOTECHNOLOGY PERFORMING OPERATIONS PRINTING REFRACTORIES SELECTIVE PRINTING MECHANISMS SLAG SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES STAMPS TRANSPORTING TREATMENT OF NATURAL STONE TYPEWRITERS |
| title | Bismuth iron oxide powder, manufacturing method for the bismuth iron oxide powder, dielectric ceramics, piezoelectric element, liquid discharge head, and ultrasonic motor |
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