Dielectric material, method of manufacturing thereof, and dielectric devices and electronic devices including the same

A dielectric material, comprising

• a layered metal oxide comprising a first layer having a positive charge and a second layer having a negative charge which are laminated, a monolayer nanosheet exfoliated from the layered metal oxide, a nanosheet laminate of the monolayer nanosheets, or a combination thereof,
• wherein the dielectric material comprises a two-dimensional layered material having a two-dimensional crystal structure, and
• the two-dimensional layered material is represented by Chemical Formula 1
• Chemical Formula 1
• Xm[A(n−2)B′nO(3n+1)] wherein in Chemical Formula 1, X comprises H, Bi2O2, a cationic compound, or a combination thereof,
• A comprises Bi, Ba, Ca, Pb, Sr, or a combination thereof,
• B′ comprises W, Mo, Cr, Ta, Nb, Ti, or a combination thereof, and
• 1≤m≤2, and n≥2.