microscopy (FE-SEM, Model: JSM-6701F) and atomic force microscopy (AFM, Digital Instrument, nanoscope III) operated at room temperature, respectively. The electrical properties of the films were determined using Hall measurement system (Van der Pauwconfiguration, Hilton, Australia) at room temperature. Optical absorption studies were carried out by using UV-Vis spectrometer (Cary 100, Varian, Mul
나노복합재료연구실 ( Nano Composite Research Lab.)
1. Purpose of this study
■ Measurement of Young's modulus using sonic resonant test
■ Measurement of Young's modulus using beam bending test
2. Introduction
Young's modulus is one of the important materials properties that is related with the bonding force between atoms or ions in materials. That will give a cle
Ion Implantation
Ionized dopant atoms are physically forced into the silicon crystal by accelerating them through high potentials (3 kV- 3 MV) toward the silicon wafer.
– Mass separator allows each implanter to run multiple
processes (B, P, BF2, As...)
– Low temperature (room temperature ~200 °C)
• can use photoresist as a mask
– Needs to be followed by an anneal
Examination of the microstructural image of a specimen magnified by a reflected light microscope from 50x to 1000x in air( or up to 2000x with oil immersion).
Features of metallurgical specimens such as grains, gbs, cracks, ppts can be distinguished because they differ in contrast, caused by the differences in (a) the amount of light absorbed and (b) the inclination of those atomic planes that
microscope image of Caenorhabditis sample
An optofluidic microscope (700-nm resolution) image of sample.
By staggering the holes along the length of the channel, the separation between holes can be made equal to the pixel size of the underlying sensor array and enable the unique mapping of each hole to a pixel. The lateral displacement of the holes across the channel can be made arbitrarily sma
흐르는 방향이나 전압을 바꿈에 따라서도 달라질 것이다. 기본적으로, 전기장이 걸려있지 않을 경우, 기름이 Charged Plate상단 틈새를 통해 나오면, 중력장에 의한 운동만 하게 될 것이다. 또한, 그림 오른쪽 하단에 설치되어 있는 Microscope를 통해서 기름방울의 운동 상태를 눈으로 직접 관찰할 수 있다.
force from government party to local government. However, there are a lot of works which are needed to be solved by themselves when we analysis the local government microscopically. In a macroscopic side, the innovation is important, but they should care of the other problems too. Also, the local residents want the government to be sensitive to them as the local administration's environment is be
force, electric power and heat.
온도는 원자나 분자가 함유하고 있는 역학적 에너지의 크기이다.
Temperature is the size of the mechanical energy that contains atoms or molecules.
기체의 경우 원자나 분자의 에너지의 크기를 정확하게 잴 수 있고 계산 할 수 있다.
Atoms or molecules can measure accurately the size and can be calculated
atom.
I love you on a subatomic level.
Hmm! Prove it to me
tonight at : .
Prove what, honey?
- That you love me.
- I love you.
- : .
- Good luck.
Thank you, Betty.
I knew I shouldn`t
have come, but--
Oh, l`m very crazy about him,
you see, Miss French.
And this is the God`s truth:
I want him to have
what he wants,
even if it means
you instead of me.
No, no! You love him.
Don`t give him up.
Hey! l`
atoms lead to molecular π- and σ-bondings.
2. Electrons in π bond are less influenced by nuclear relatively.
The overlap of molecular orbitals (MO’s) in organic semiconductors
lead to a formation of bands with a width W.
When an electron breaks a covalent bond of an intrinsic crystal structure and more away, a vacancy is created in the broken covalent band . The vacancy so caused c