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Aims and Scope

The origin of New Physics: Sae Mulli (NPSM, ISO abbreviation: New Phys.: Sae Mulli.): Sae Mulli (새물리 in Korean characters means ‘new physics’) is the oldest Korean pure scientific journal. It was first published in 1961 just after the Korean War by the Korean Physical Society (KPS). The primary mission of Sae Mulli was to start building up Korean physics research community from almost nothing and in fact Sae Mulli had made tremendous contributions to the Korean science community. Through a peer-review system, Sae Mulli had continued elevating the level of scientific researches, consequently becoming a cornerstone of the economic miracle of Korea...

Editor-in-Chief : Sunglae CHO
New Physics: Sae Mulli Editorial Board

  • pISSN : 0374-4914
  • eISSN : 2289-0041
Research Papers
Femtosecond-Laser Fabrication of Microfluidic Filters
Dae-Young LEE, Ki-Soo LIM*
Department of Physics, Chungbuk National University, Cheongju 28644, Korea
We used femtosecond laser pulses to develope two micro-filters with a of T-shape for separating particles with sizes of 10 $\mu$m and 2 $\mu$m, and particles with sizes of 1 $\mu$m and 200 nm sizes. The diameters of the microchannels were controlled by using the laser intensity, scan speed, and scan number. A distributed profile of the particles injected into a channel was observed by using a confocal fluorescence microscope, and the filter function was studied by measuring the fluorescence spectra of the particles transmitted by a fabricated waveguide. We also observed the profile of the inner surface of the channel by using a scanning electron microscope and measured the change in the flow of the water along the channel.
New Phys.: Sae Mulli 2019; 69: 606-611
Pattern Synthesis of Designed Graphene by using a LASER Scribing Process
Dong Yun LEE1, Jungtae NAM1, Keun Soo KIM2
1Department of Physics, Sejong Univerity, Seoul 05006, Korea
2Department of Physics and Astronomy, Sejong Univerity, Seoul 05006, Korea

In this study, a LASER scribing process in a vacuum chamber was used to reduce the process time and the energy consumption significantly and pattern synthesis of graphene into the desired shape was carried out. For this purpose, a LASER-assisted

chemical vapor deposition (CVD) was used and a negative tone resist polymer film was coated onto various substrate, such as metal foil, quartz, and quartz coated with a thin metal film, to be used as a solid carbon source for graphene synthesis. On such a prepared substrate, patten synthesis of graphene by LASER ($\lambda=1064$ nm, pulse) local heating method was performed in a vacuum chamber, and each sample was evaluated by Raman spectroscopy to optimize the synthesis conditions. In the case of a metal substrate, the synthesis of patterns of graphene was difficult due to the good thermal conductivity of the metal. For the quartz substrates, the optimized conditions for graphene synthesis were a power of 1.4 W, a scan speed of 1 mm/s, a frequency of 30 kHz, and five exposures. For the quartz substrate coated with a 300 nm Ni film. The optimized conditions were a power of 1.8 W, a scan speed of 2 mm/s, a frequency of 30 kHz and one exposure.

New Phys.: Sae Mulli 2019; 69: 590-595
New Phys.: Sae Mulli 2019; 69: 590~678
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Research Papers
Pattern Synthesis of Designed Graphene by using a LASER Scribing Process
Dong Yun LEE, Jungtae NAM, Keun Soo KIM
New Phys.: Sae Mulli 2019; 69: 590-595  https://doi.org/10.3938/NPSM.69.590
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X-ray Photoemission Spectroscopy Study of the Metal-Insulator Transition in Ni(S,Se)$_\text{2}$
Jinwon JEONG,Da-Hee JEONG, Han-Jin NOH*
New Phys.: Sae Mulli 2019; 69: 596-600  https://doi.org/10.3938/NPSM.69.596
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Dependence of the Selective Doping Effect in Heterogeneous Defect Domains of Hexagonal-WS$_2$ on Wet-Transfer Methods
Su-Jin KIM, Hyun-Seok LEE*
New Phys.: Sae Mulli 2019; 69: 601-605  https://doi.org/10.3938/NPSM.69.601
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Femtosecond-Laser Fabrication of Microfluidic Filters
Dae-Young LEE, Ki-Soo LIM*
New Phys.: Sae Mulli 2019; 69: 606-611  https://doi.org/10.3938/NPSM.69.606
Full Text(PDF)
Comparison of the Electrical Characteristics of a Resistive Random Access Memory (RRAM) Device According to the Type of Metal Oxide
Hong Chang KIM, SukYeop CHUN, GaYeong KIM, JaeHun JEONG, YeongSoo HA, JinWoo PARK, JuneHee PARK, MoonGyu JANG*
New Phys.: Sae Mulli 2019; 69: 612-616  https://doi.org/10.3938/NPSM.69.612
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On Shell Renormalization Scheme from the Loopwise Expansion of the Pole Mass
Chungku KIM*
New Phys.: Sae Mulli 2019; 69: 617-621  https://doi.org/10.3938/NPSM.69.617
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Stability and Oscillation of Nucleus in QMD Simulation
SungMin CHO, Kang Seog LEE*
New Phys.: Sae Mulli 2019; 69: 622-624  https://doi.org/10.3938/NPSM.69.622
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Characteristics of Beta-ray Measurements of Plastic Scintillators Containing Gd$_2$O$_3$ or CdTe
Jong Soo NAM, Sang Bum HONG, Bum Kyung SEO, Yong Uhn KIM*
New Phys.: Sae Mulli 2019; 69: 625-630  https://doi.org/10.3938/NPSM.69.625
Full Text(PDF)
HTML5 Simulation of Atmospheric Pressure Based on the Model of Hard Spheres within Earth’s Surface Gravity
Wonkun OH*
New Phys.: Sae Mulli 2019; 69: 631-636  https://doi.org/10.3938/NPSM.69.631
Full Text(PDF)
Effect of College Physics Instruction on the Image and Perception of Physics of Engineering College Students
Youngwook SONG*
New Phys.: Sae Mulli 2019; 69: 637-648  https://doi.org/10.3938/NPSM.69.637
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Critical Phenomena of the Generalized Epidemic Process
Meesoon HA*
New Phys.: Sae Mulli 2019; 69: 649-654  https://doi.org/10.3938/NPSM.69.649
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Critical Point Estimation of the Two-dimensional Ising Model Using the Multi-Perceptron
Seung-Yeon KIM, Jaehyung LIM, Wooseop KWAK*
New Phys.: Sae Mulli 2019; 69: 655-659  https://doi.org/10.3938/NPSM.69.655
Full Text(PDF)
Optical Design for Development of LED Camping Lantern
Seung-Eun KIM, Jong-Rak PARK, Yu-Sin KIM*
New Phys.: Sae Mulli 2019; 69: 660-666  https://doi.org/10.3938/NPSM.69.660
Full Text(PDF)
Dependence of Polarization Spectroscopy on Pump Beam Intensity for the $^\text{87}\text{Rb}$ ${F_g=2\rightarrow F_e=3}$ Transition
Geol MOON*, Hyun-Jong KANG, Heung-Ryoul NOH
New Phys.: Sae Mulli 2019; 69: 667-672  https://doi.org/10.3938/NPSM.69.667
Full Text(PDF)
Self-collimation of Ultrasound in a Two-dimensional Phononic Crystal with a Square Lattice Immersed in Water
Hwi Suk KANG, Kang Il LEE*
New Phys.: Sae Mulli 2019; 69: 673-678  https://doi.org/10.3938/NPSM.69.673
Full Text(PDF)
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