Toler Law Group, PC
Intergrated circuit devices including an interfacial dipole layer
An integrated circuit device includes a first transistor structure formed in a memory region (e.g., an embedded memory region) of a die. The first transistor structure includes a substrate (e.g., a planar substrate of a planar FET or a fin of a FinFET) and a first gate. The first gate includes a dipole layer proximate to the substrate and a barrier layer proximate to the dipole layer. The integrated circuit device further includes a second transistor structure formed in a logic device region of the die. The second transistor structure includes a second gate that includes an interface layer, a dielectric layer, and a cap layer. The dielectric layer is formed between the cap layer and the interface layer.
QUALCOMM Incorporated
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Jeffrey Junhao Xia
Xu Li