SEMICONDUCTOR DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SEMICONDUCTOR DEVICE

    公开(公告)号:US20230088827A1

    公开(公告)日:2023-03-23

    申请号:US17945538

    申请日:2022-09-15

    Abstract: A semiconductor device includes: a first source/drain region; a second source/drain region; a channel between the first source/drain region and the second source/drain region; an interfacial insulating layer on the channel; a ferroelectric layer on the interfacial insulating layer; and a gate electrode on the ferroelectric layer, wherein, when a numerical value of dielectric constant of the interfacial insulating layer is K and a numerical value of remnant polarization of the ferroelectric layer is Pr, a material of the interfacial insulating layer and a material of the ferroelectric layer are selected so that K/Pr is 1 or more.

    THREE-DIMENSIONAL FERROELECTRIC MEMORY DEVICE

    公开(公告)号:US20240015983A1

    公开(公告)日:2024-01-11

    申请号:US18340560

    申请日:2023-06-23

    CPC classification number: H10B53/20 H10B53/30

    Abstract: A three-dimensional (3D) ferroelectric memory device may include a plurality of gate electrodes stacked on a substrate, a plurality of ferroelectric layers in contact with the plurality of gate electrodes, a plurality of intermediate electrodes in contact with the plurality of ferroelectric layers, a gate insulating layer in contact with the plurality of intermediate electrodes, and a channel layer in contact with the gate insulating layer. Widths of the intermediate electrodes may be greater than widths of the ferroelectric layers in contact with the intermediate electrodes.

    3D FERROELECTRIC MEMORY DEVICE
    5.
    发明公开

    公开(公告)号:US20240008289A1

    公开(公告)日:2024-01-04

    申请号:US18340407

    申请日:2023-06-23

    CPC classification number: H10B53/20 H10B53/30

    Abstract: Provided is a 3D ferroelectric memory device. The 3D ferroelectric memory device may include a plurality of gate electrodes stacked on a substrate in a first direction; a plurality of ferroelectric layers on the plurality of gate electrodes in a second direction; a plurality of intermediate electrodes on the plurality of ferroelectric layers in the second direction; a first insulating layer between the plurality of gate electrodes and between the plurality of intermediate electrodes; a second insulating layer on the plurality of intermediate electrodes and the first insulating layer; and a channel layer on the second insulating layer.

    METHOD DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME

    公开(公告)号:US20230397432A1

    公开(公告)日:2023-12-07

    申请号:US18329197

    申请日:2023-06-05

    CPC classification number: H10B53/20 H10B53/10 G11C16/0483 H10B51/10 H10B51/20

    Abstract: A memory device includes a plurality of gate electrodes spaced apart from each other in a first direction, a memory layer comprising a plurality of memory regions that protrude and extend in a second direction perpendicular to the first direction to face the plurality of gate electrodes, respectively, a plurality of first insulating layers extended to spaces between the plurality of memory regions between the plurality of gate electrodes, a channel layer disposed between the memory layer and the plurality of gate electrodes, the channel layer having a shape including a plurality of first regions surrounding the plurality of memory regions and a second region that connects the plurality of first regions to each other in the first direction, and a gate insulating layer arranged between the channel layer and the plurality of gate electrodes.

    FERROELECTRIC FIELD EFFECT TRANSISTOR, MEMORY DEVICE, AND NEURAL NETWORK APPARATUS INCLUDING GATE-INTERPOSED LAYER

    公开(公告)号:US20250056844A1

    公开(公告)日:2025-02-13

    申请号:US18761631

    申请日:2024-07-02

    Abstract: Provided is a ferroelectric field effect transistor including a source region, a drain region, a channel provided between the source region and the drain region, a ferroelectric layer provided on the channel and including a ferroelectric material including an oxide of a first element, a gate-interposed layer provided on the ferroelectric layer and including a paraelectric material including an oxide of a second element different from the first element, and a gate electrode provided on the gate-interposed layer, wherein the gate-interposed layer includes a first interposed layer adjacent to the ferroelectric layer, and a second interposed layer adjacent to the gate electrode, the first interposed layer includes a mixture of the first element and the second element, and a ratio of the first element in the first interposed layer may be greater than a ratio of the first element in the ferroelectric layer.

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