摘要:
A phase change structure includes a first phase change material layer pattern and a second phase change material layer pattern. The first phase change material layer pattern may partially fill a high aspect ratio structure, and the second phase change material layer pattern may fully fill the high aspect ratio structure. The first phase change material layer pattern may include a first phase change material, and the second phase change material layer pattern may include a second phase change material having a composition substantially different from a composition of the first phase change material.
摘要:
Provided are methods of fabricating a semiconductor device including a phase change layer. Methods may include forming a dielectric layer on a substrate, forming an opening in the dielectric layer and depositing, on the substrate having the opening, a phase change layer that contains an element that lowers a process temperature of a thermal treatment process to a temperature that is lower than a melting point of the phase change layer. Methods may include migrating a portion of the phase change layer from outside the opening, into the opening by the thermal treatment process that includes the process temperature that is lower than the melting point of the phase change layer.
摘要:
The phase change memory device includes a first electrode and a second electrode and a first phase change material pattern and a second phase change material pattern interposed between the first electrode and the second electrode, wherein the first and second phase change material patterns have respectively different electrical characteristics.
摘要:
The present invention is directed toward core-shell nanoparticles, each comprising a ligand-capped metal shell surrounding a plurality of discrete, nonconcentric, metal-containing cores. Methods of making and using these nanoparticles are also disclosed.
摘要:
A schottky diode may include a schottky junction including a well formed in a semiconductor substrate and a first electrode contacting the first well. The well may have a first conductivity type. A first ohmic junction may include a first junction region formed in the well and a second electrode contacting the first junction region. The first junction region may have a higher concentration of the first conductivity type than the well. A first device isolation region may be formed in the semiconductor substrate separating the schottky junction and the first ohmic junction. A well guard having a second conductivity type opposite to the first conductivity type may be formed in the well. At least a portion of the well guard may, be formed under a portion of the schottky junction.
摘要:
A method of programming an EEPROM including a first active region, a second active region and a third active region located separately in a semiconductor substrate, a common floating gate above and intersecting the active regions, first impurity regions located at both sides of the common floating gate in the first active region, second impurity regions located at both sides of the common floating gate in the second active regions and third impurity region, located at both sides of the common floating gate in the third active region. The method includes: applying a programming voltage to the first impurity regions in the first active region and the third impurity regions in the third active region; and applying a ground voltage to the second impurity regions in the second active region.
摘要:
The present invention is related to a dispersion-shifted optical fiber for use in a wavelength division multiplexing system, which comprises a core, an inner clad, and a silica clad, wherein the optical fiber has a relatively low dispersion at a wavelength of 1550 nm, an effective area of 60 &mgr;m2 and small bending loss. The core consists of a first and a second core, wherein the core has a refractive index distribution. The inner clad consists of a first inner clad having a refractive index smaller than that of the second core and a second inner clad having a refractive index smaller than that of the second inner clad. A silica clad surrounds the inner clad and has a refractive index smaller than that of the second inner clad.
摘要:
A surfactant includes a hydrophobic functional group, a hydrophilic functional group and a linker disposed between the hydrophobic functional group and the hydrophilic functional group, and the linker is connected to the hydrophobic functional group and the hydrophilic functional group. The linker has a cleavable bond with a bond energy lower than a bond energy of a bond included in the hydrophilic functional group and a bond included in the hydrophobic functional group.
摘要:
In one aspect, a method of forming a phase change material layer is provided. The method includes supplying a reaction gas including the composition of Formula 1 into a reaction chamber, supplying a first source which includes Ge(II) into the reaction chamber, and supplying a second source into the reaction chamber. Formula 1 is NR1R2R3, where R1, R2 and R3 are each independently at least one selected from the group consisting of H, CH3, C2H5, C3H7, C4H9, Si(CH3)3, NH2, NH(CH3), N(CH3)2, NH(C2H5) and N(C2H5)2.
摘要翻译:一方面,提供了形成相变材料层的方法。 该方法包括将包含式1的组合物的反应气体供应到反应室中,将包含Ge(II)的第一源供应到反应室中,并将第二源供应到反应室中。 式1是NR1R2R3,其中R1,R2和R3各自独立地选自H,CH3,C2H5,C3H7,C4H9,Si(CH3)3,NH2,NH(CH3),N(CH3) 2,NH(C 2 H 5)和N(C 2 H 5)2。
摘要:
In one aspect, a method of forming a phase change material layer is provided. The method includes supplying a reaction gas including the composition of Formula 1 into a reaction chamber, supplying a first source which includes Ge(II) into the reaction chamber, and supplying a second source into the reaction chamber. Formula 1 is NR1R2R3, where R1, R2 and R3 are each independently at least one selected from the group consisting of H, CH3, C2H5, C3H7, C4H9, Si(CH3)3, NH2, NH(CH3), N(CH3)2, NH(C2H5) and N(C2H5)2.