Abstract:
A method of manufacturing a semiconductor device may include selectively depositing a carbon layer on sidewalls of a substrate mold before depositing a sacrificial metal layer in a semiconductor device structure having a vertical stacked structure.
Abstract:
A lithium secondary battery including: a positive electrode; a negative electrode; and an electrolyte between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material represented by Formula 1, the electrolyte includes a lithium salt; a non-aqueous solvent; and a difluorosilane compound represented by Formula 2, and an amount of the difluorosilane compound is about 5 weight percent, based on a total weight of the electrolyte LixNiyM1-yO2-zAz Formula 1
Abstract:
An electrolyte for a lithium secondary battery, the electrolyte including: a lithium salt, an organic solvent, and an organic fluorinated ether compound represented by Formula 1: R1—O—CF2—CHF—R2 Formula 1 wherein, in Formula 1, R1 is a C3-C10 alkyl group or a C3-C10 cycloalkyl group, and R2 is fluorine, a C1-C10 alkyl group, a C3-C10 cycloalkyl group, a C1-C10 fluorinated alkyl group, or a C3-C10 fluorinated cycloalkyl group.
Abstract:
A processor-implemented method includes: receiving a plurality of pieces of input data expressed as floating point; adjusting a bit-width of mantissa by performing masking on the mantissa of each piece of the input data based on a size of an exponent of each piece of the input data; and performing an operation between the input data with the adjusted bit-width.
Abstract:
An electrolyte includes: a lithium salt; a non-aqueous solvent; and an unsaturated compound represented by Formula 2: wherein definitions of x, y, z, M, A, Q1, and Q2 in Formula 1 and Formula 2 are the same as those described in the description.
Abstract:
An electrolyte including: a lithium salt, a non-aqueous solvent, an alkyl sulfonate compound represented by Formula 2, and an unsaturated sulfone compound represented by Formula 3: wherein, in Formula 2, Q1 and Q2 are each independently a substituted or unsubstituted C1-C20 alkyl group, and in Formula 3, Q3 and Q4 are each independently a group represented by -(L1)-(R1), a vinyl group, an allyl group, or a substituted or unsubstituted C1-C20 alkyl group, and at least one of Q3 or Q4 is a group represented by -(L1)-(R1), a vinyl group, or an allyl group, Li is a substituted or unsubstituted C2-C20 alkenylene group or a substituted or unsubstituted C2-C20 alkynylene group, and Ri is hydrogen or a substituted or unsubstituted C2-C20 alkyl group.
Abstract:
An electrolyte for a lithium secondary battery, the electrolyte including: a lithium salt, an organic solvent, and an organic fluorinated ether compound represented by Formula 1: CH3—CH2—O—CF2—CHF—R1 Formula 1 wherein, in Formula 1, R1 is a C1-C10 alkyl group, a C3-C10 cycloalkyl group, a C1-C10 fluorinated alkyl group, or a C3-C10 fluorinated cycloalkyl group.
Abstract:
A lithium secondary battery including: a cathode including a high-voltage cathode active material; an anode; and an electrolyte disposed between the cathode and the anode, wherein the high-voltage cathode active material has a charge cut-off voltage of about 4.2 Volts or greater with respect to a lithium (Li) counter electrode, and wherein the electrolyte includes an organic fluorinated ether compound represented by Formula 1, an organic solvent, and a lithium salt: R1—O—CFnH2-n—R2 Formula 1 wherein, in Formula 1, R1 is a C1-C10 alkyl group, a C3-C10 cycloalkyl group, a C1-C10 fluorinated alkyl group, or a C3-C10 fluorinated cycloalkyl group; R2 is hydrogen, fluorine, a C1-C10 alkyl group, a C3-C10 cycloalkyl group, a C1-C10 fluorinated alkyl group, or a C3-C10 fluorinated cycloalkyl group; and n is 1 or 2.
Abstract:
The present inventive concepts relate to semiconductor devices and methods for fabricating the same, and a semiconductor device according to some example embodiments includes: a substrate including an active region defined by a device isolation layer; a word line that crosses and overlaps the active region; a bit line crossing the active region in a direction different from the word line; a direct contact that connects the active region and the bit line and includes a metallic material; a buried contact connected to the active region; and a bit line spacer between the bit line and the buried contact, wherein a width of the direct contact is different from that of the bit line, and the bit line spacer is on an upper surface of the direct contact.
Abstract:
A neural processor is provided. The neural processor includes a matrix device which is configured to generate an output feature map by processing a standard convolution operation and which has a systolic array architecture, and accelerators with an adder-tree structure which are configured to process depth-wise convolution operations for each of elements of the output feature map corresponding to lanes of the matrix device.