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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
Restoration of Human Activity in the Archaeological site Using Absolute Dating
Myung-Jin KIM*
Archaeological Science Institute, RADPION Inc., Daejeon 34013, Korea
We first used radiocarbon dating, TL/OSL dating and archaeo-magnetic dating to calculate the absolute chronology of various objects excavated from the Gyesil-ri archaeological site at Gongju. After we had summarized the probability density of all absolute chronologies of each object by using the KDE model performed a peak deconvolution with a normal distribution, and found that human activity first occurred at the Gyesil-ri site in 840 $\pm$ 160 AD (1$\sigma$ SD) and continued from 1,250 $\pm$ 160 AD (1$\sigma$ SD) to 1,670 $\pm$ 180 AD (1$\sigma$ SD). Those periods correspond to the Unified Silla, Goryeo dynasty and late Chosun dynasty, respectively. Within the Gyesil-ri site, the objects related to metallic works, including the slag layer in the late Chosun dynasty period were located perpendicular to the contour lines, which means that the metallic works were carried out at higher places in the Gyesil-ri site and that slag, as well as other residuals, were naturally discarded in lower places.
New Phys.: Sae Mulli 2020; 70: 539-546
Spectroscopic Characteristics of Zn$_{1-x}$Mn$_{x}$S Thin Films by Ellipsometry and Absorptance Measurements
Dae Jung KIM1, Bong Jin KIM1, Duk Hyeon KIM1, Jong Won LEE2*
1School of Basic Sciences, Hanbat University, Daejeon 34158, Korea
2Department of Advanced Materials Engineering, Hanbat University, Daejeon 34158, Korea
Zn$_{1-x}$Mn$_{x}$S thin films were grown on GaAs(100) substrates by using hot-wall epitaxy. X-ray diffraction patterns revealed the crystal structure of the epilayer. The optical properties were investigated using spectroscopic ellipsometry at 300 K from 3.0 -- 8.7 eV. The obtained data were analyzed to determine the critical points of the pseudodielectric function spectra, $\langle\varepsilon(E)\rangle=\langle\varepsilon_{1}(E)\rangle+\langle\varepsilon_{2}(E)\rangle$, such as $E_{0}/E_{0}+\Delta_{0}$, $E_{1}$, and three $E_{2}(\Sigma,\Delta,\Gamma)$structures. These critical points were determined by fitting analytical line-shapes to numerically calculated derivatives of the pseudodielectric functions. In particular, the transmittance/absorptance measurements were carried out to obtain the optical properties of the Zn$_{1-x}$Mn$_{x}$S epilayers, and the exact optical energy bandgap ($E_{g}$) was determined by comparing these results with the results of the ellipsometry measurements. Also, the energy band structures from the ellipsometry and the absorptance measurements were analyzed as a function of Mn concentration. The results obtained demonstrate that ellipsometry can be efficiently and non-destructively used to examine the energy bandgap of Zn$_{1-x}$Mn$_{x}$S epilayers.
New Phys.: Sae Mulli 2020; 70: 524-530
New Phys.: Sae Mulli 2020; 70: 524~555
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Research Papers
Spectroscopic Characteristics of Zn$_{1-x}$Mn$_{x}$S Thin Films by Ellipsometry and Absorptance Measurements
Dae Jung KIM, Bong Jin KIM, Duk Hyeon KIM, Jong Won LEE*
New Phys.: Sae Mulli 2020; 70: 524-530  https://doi.org/10.3938/NPSM.70.524
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Effects of Electrospinning Nozzle size and Voltage on Polyvinylpyrrolidone Fiber Structure Formation
In-Bo SHIM, Taejoon KOUH*
New Phys.: Sae Mulli 2020; 70: 531-534  https://doi.org/10.3938/NPSM.70.531
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Optical Properties of 2H Phase WTe$_{2}$ Flakes
Yonghee JO, Dae Hyun JUNG, TaeWan KIM*, ChaeHo SHIN
New Phys.: Sae Mulli 2020; 70: 535-538  https://doi.org/10.3938/NPSM.70.535
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Restoration of Human Activity in the Archaeological site Using Absolute Dating
Myung-Jin KIM*
New Phys.: Sae Mulli 2020; 70: 539-546  https://doi.org/10.3938/NPSM.70.539
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Study of Content Addressable Memory in a Spiking Neural Network Model
Myoung Won CHO*
New Phys.: Sae Mulli 2020; 70: 547-555  https://doi.org/10.3938/NPSM.70.547
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