G11C13/0014

SPIN TRANSPORT ELECTRONIC DEVICE

An electronic device is presented, the device comprises: a spin accumulating structure; a spin selective filter electrically connected at a first end thereof to a first surface of said spin accumulating layer structure; a charge carrier source attached to said spin selective filter at a second end of the spin selective filter; wherein the spin selective filter is configured to allow passage of the charge carriers having a predetermined spin orientation from the charge carrier source to the spin accumulating structure, thereby causing a variation of spin distribution of the charge carriers within the spin accumulating structure. The device comprises further at least first and second pairs of electrical contacts which are connected to the spin accumulating structure and define first and second electrical paths through said spin accumulating structure, said first and second electrical paths intersecting within said spin accumulating structure. The device including a circuit configured to apply an electrical current between the first pair of electrical contacts and to detect the variation of spin-distribution of charge carriers within the spin accumulating structure by determining electrical voltage between the second pair of electrical contacts in response to the applied electrical current.

MEMORY CELL UNIT ARRAY
20170294375 · 2017-10-12 ·

In a memory cell unit array, memory cell units each constituted of first wires, second wires, and a nonvolatile memory cell are arranged in a two-dimensional matrix form in a first direction and a second direction. Each of the memory cell units includes a control circuit below it. The control circuit is constituted of a first control circuit and a second control circuit. The second wires are connected to the second control circuit. Some of the first wires that constitute the memory cell unit are connected to the first control circuit that constitutes this memory cell unit. Others of the first wires are connected to the first control circuit that constitutes an adjacent memory cell unit adjacent thereto in the first direction.

Transistors comprising an electrolyte, semiconductor devices, electronic systems, and related methods

A transistor comprises a channel region between a source region and a drain region, a dielectric material adjacent to the channel region, an electrode adjacent to the dielectric material, and an electrolyte between the dielectric material and the electrode. Related semiconductor devices comprising at least one transistors, related electronic systems, and related methods are also disclosed.

Memory device and manufacturing method the same

A semiconductor device that can transmit and receive data without contact is popular partly as some railway passes, electronic money cards, and the like; however, it has been a prime task to provide an inexpensive semiconductor device for further popularization. In view of the above current conditions, a semiconductor device of the present invention includes a memory with a simple structure for providing an inexpensive semiconductor device and a manufacturing method thereof. A memory element included in the memory includes a layer containing an organic compound, and a source electrode or a drain electrode of a TFT provided in the memory element portion is used as a conductive layer which forms a bit line of the memory element.

Display device with semiconductor memory cell

The present invention provides a display device including a nonvolatile memory circuit to which data can be added without increasing the number of manufacturing steps, and an electronic appliance using the display device. A display device of the present invention has a memory circuit that includes a memory element with a simple structure in which an organic compound layer is interposed between a pair of conductive layers. According to the present invention having the above mentioned structure, a display device having a nonvolatile memory circuit to which data can be added can be provided without increasing the number of manufacturing steps.

ELECTRONIC SWITCHING DEVICE

An electronic switching device, in particular tunnel junctions, containing an organic molecular layer for use in memory, sensors, field-effect transistors or Josephson junctions. More particularly, related to the field of random access non-volatile memristive memories (RRAM). Another aspect is a compound of formula I

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for use in a molecular layer. Also, the use of the molecular layer and processes for the production and operation of an electronic switching element and components based thereon.

MEMRISTIVE DEVICE AND METHOD BASED ON ION MIGRATION OVER ONE OR MORE NANOWIRES

Aspects of the subject disclosure may include, for example, applying a setting voltage across first and second electrodes, wherein a nanowire with a first electrical resistance is electrically connected between the first and second electrodes, wherein the applying of the setting voltage causes a migration of ions from the first and/or second electrodes to a surface of the nanowire, and wherein the migration of ions effectuates a reduction of electrical resistance of the nanowire from the first electrical resistance to a second electrical resistance that is lower than the first electrical resistance; and applying a reading voltage across the pair of electrodes, wherein the reading voltage is less than the setting voltage, and wherein the reading voltage is sufficiently small such that the applying of the reading voltage causes no more than an insignificant change of the electrical resistance of the nanowire from the second electrical resistance. Other embodiments are disclosed.

Systems and methods of fabricating gate electrode on trenched bottom electrode based molecular spintronics device
11621345 · 2023-04-04 ·

A system and method comprising the steps of: depositing a first electrode metal on an insulating substrate or layer; creating a trench component, in which said trench component comprises a section of said first electrode metal or both first electrode metal and insulating substrate or layer with a depth based on at least one of, a molecular device element, a trenched bottom electrode, and a liftoff molecular device (TBELMD) to be produced; insulating said first electrode metal from a predetermined material deposited in said trench component; and depositing a second electrode metal on said predetermined material deposited in said trench component.

SEMICONDUCTOR MEMORY DEVICE

Disclosed herein is a semiconductor memory device. Provided is the semiconductor memory device includes a first device layer storing thermal energy and a second device layer being made of a material whose electrical properties are changed by the thermal energy, wherein the first device layer stores thermal energy if a voltage is applied to the second device layer. According to the present invention, since the device is composed of a material that is changed electrical characteristics by heat and a material that stores heat, it may be read as a current applied to the read voltage without applying other refresh voltage. In addition, there is no leakage current flowing through the device depending on the characteristics of the device, so additional circuit elements such as transistors and selectors are not required. The device has a fast-switching mechanism but does not cause leakage current thereby not showing resistance drift due to repetitive switching.

NONVOLATILE MEMORY CELL, NONVOLATILE MEMORY CELL ARRAY, AND INFORMATION WRITING METHOD OF NONVOLATILE MEMORY CELL ARRAY
20220262420 · 2022-08-18 ·

A nonvolatile memory cell includes a resistance-change nonvolatile memory element 50 and a selection transistor TR. One end of the nonvolatile memory element 50 is connected to one source/drain region 15A of the selection transistor TR and is connected to a write line WR. The other source/drain region 15B of the selection transistor TR is connected to a select line SL. The other end of the nonvolatile memory element 50 is connected to a bit line BL.