Capacitor constructions comprising perovskite-type dielectric materials and having different degrees of crystallinity within the perovskite-type dielectric materials

A capacitor construction, comprising:

• a first capacitor electrode;
• a perovskite-type dielectric material over the first capacitor electrode, the perovskite-type dielectric material comprising a first layer physically contacting the first electrode and a second layer against the first layer and further from the first electrode than the first layer, said second layer having a different degree of amorphous content relative to crystalline content than the first layer, wherein the first layer has less crystalline content than the second layer;
• the perovskite-type dielectric material comprising barium, strontium, titanium and oxygen throughout both the first and second layers;
• and
• a second capacitor electrode over the perovskite-type dielectric material.

A capacitor construction, comprising:

• a first capacitor electrode;
• a perovskite-type dielectric material over the first capacitor electrode, the perovskite-type dielectric material comprising a first layer proximate the first electrode and a second layer against the first layer and further from the first electrode than the first layer, said second layer having a different degree of amorphous content relative to crystalline content than the first layer;
• the perovskite-type dielectric material having the same chemical composition in the first and second layers;
• and
• a second capacitor electrode over the perovskite-type dielectric material.

A capacitor construction, comprising:

• a first capacitor electrode;
• a perovskite-type dielectric material over the first capacitor electrode, the perovskite-type dielectric material comprising a first layer proximate the first electrode and a second layer against the first layer and further from the first electrode than the first layer, said second layer having a different degree of amorphous content relative to crystalline content than the first layer;
• the perovskite-type dielectric material comprising barium strontium titanate throughout both the first and second layers;
• and
• a second capacitor electrode over the perovskite-type dielectric material.

A capacitor construction, comprising:

• a first capacitor electrode;
• a perovskite-type dielectric material over the first capacitor electrode, the perovskite-type dielectric material comprising a first layer proximate the first electrode and a second layer against the first layer and further from the first electrode than the first layer, said second layer having a different degree of amorphous content relative to crystalline content than the first layer;
• the perovskite-type dielectric material comprising barium titanate throughout both the first and second layers;
• and
• a second capacitor electrode over the perovskite-type dielectric material.

A capacitor construction, comprising:

• a first capacitor electrode;
• a perovskite-type dielectric material over the first capacitor electrode, the perovskite-type dielectric material comprising a first layer proximate the first electrode and a second layer against the first layer and further from the first electrode than the first layer, said second layer having a different degree of amorphous content relative to crystalline content than the first layer;
• the perovskite-type dielectric material comprising lead zirconium titanate throughout both the first and second layers;
• and
• a second capacitor electrode over the perovskite-type dielectric material.