Abstract:
A method of forming an electronic device includes forming an oxygen scavenging layer (230) proximate to a dielectric layer (204) in a gate region of a field effect transistor (FET). An interface layer (214) is between the dielectric layer and a substrate of the FET. The method further includes forming a dipole layer by annealing the oxygen scavenging layer, the dielectric layer, and the interface layer.
Abstract:
A method of forming an electronic device includes forming an oxygen scavenging layer proximate to a dielectric layer in a gate region of a field effect transistor (FET). The interface layer is between the dielectric layer and a substrate of the FET. The method further includes forming a dipole layer by annealing the oxygen scavenging layer, the dielectric layer, and the interface layer.
Abstract:
Non-volatile memory devices and logic devices are fabricated using processes compatible with high dielectric constant/metal gate (HK/MG) processes for increased cell density and larger scale integration. A doped oxide layer, such as a silicon-doped hafnium oxide (HfO2) layer, is implemented as a ferroelectric dipole layer in a non-volatile memory device.
Abstract:
L'invention concerne un dispositif de mémoire ferroélectrique comprenant au moins une couche qui comprend un polymère ferroélectrique, et au moins deux électrodes de part et d'autre de celle-ci, le polymère ferroélectrique étant de formule générale P(VDF-X-Y), dans laquelle VDF représente des motifs de fluorure de vinylidène, X représente des motifs de trifluoroéthylène ou de tétrafluoroéthylène, et Y représente des motifs issus d'un tiers monomère, la proportion molaire de motifs Y dans le polymère étant inférieure ou égale à 6,5 %.
Abstract:
A non-volatile memory cell stores 1.5 bits of data in three polarization states. The memory cell may have two ferroelectric layers and three electrodes. The energy bands of the ferroelectric layers are adjusted by providing two of the electrodes with different work functions. The difference in the work functions may be significant, such as at least 0.4-0.6 V or more. Two of the electrodes may have equal or similar work functions. For example, the work functions may be equal within a tolerance of +/- 0.1 V. The memory cell can be arranged in various configurations including a FeFET (ferroelectric field effect transistor) and a FeRAM (ferroelectric random access memory). A set of memory cells can be arranged in a string such as a NAND string.
Abstract:
A method used in forming an electronic component comprising conductive material and ferroelectric material comprises forming a non-ferroelectric metal oxide-comprising insulator material over a substrate. A composite stack comprising at least two different composition non-ferroelectric metal oxides is formed over the substrate. The composite stack has an overall conductivity of at least 1 x 10 2 Siemens/cm. The composite stack is used to render the non- ferroelectric metal oxide-comprising insulator material to be ferroelectric. Conductive material is formed over the composite stack and the insulator material. Ferroelectric capacitors and ferroelectric field effect transistors independent of method of manufacture are also disclosed.
Abstract:
A ferroelectric memory cell comprises a ferroelectric crystalline material having a polar and chiral crystal structure without inversion symmetry through an inversion center. The ferroelectric crystalline material does not consist essentially of an oxide of at least one of hafnium (Hf) and zirconium (Zr).