09-06-2022 дата публикации
Номер: US20220181433A1
Disclosed herein are capacitors including built-in electric fields, as well as related devices and assemblies. In some embodiments, a capacitor may include a top electrode region, a bottom electrode region, and a dielectric region between and in contact with the top electrode region and the bottom electrode region, wherein the dielectric region includes a perovskite material, and the top electrode region has a different material structure than the bottom electrode region. 1. An integrated circuit (IC) die , comprising: a top electrode region;', 'a bottom electrode region; and', 'a dielectric region between and in contact with the top electrode region and the bottom electrode region;', 'wherein the dielectric region includes a perovskite material, and the top electrode region has a different material structure than the bottom electrode region., 'a capacitor, including2. The IC die of claim 1 , wherein the top electrode region has a different material composition than the bottom electrode region.3. The IC die of claim 2 , wherein the top electrode region includes germanium claim 2 , lanthanum claim 2 , hafnium claim 2 , zirconium claim 2 , yttrium claim 2 , barium claim 2 , lead claim 2 , calcium claim 2 , magnesium claim 2 , beryllium claim 2 , or lithium.4. The IC die of claim 3 , wherein the top electrode region has a thickness between 0.1 nanometers and 5 nanometers.5. The IC die of claim 3 , wherein the top electrode region is a first top electrode region claim 3 , the capacitor further includes a second top electrode region claim 3 , the first top electrode region is between the second top electrode region and the dielectric region claim 3 , and the second top electrode region has a different material composition than the first top electrode region.6. The IC die of claim 5 , wherein the second top electrode region includes ruthenium claim 5 , iridium claim 5 , copper claim 5 , titanium and nitrogen claim 5 , titanium claim 5 , gold claim 5 , platinum claim 5 , ...
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