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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 : Sam Jin KIM
New Physics: Sae Mulli Editorial Board

  • pISSN : 0374-4914
  • eISSN : 2289-0041
Research Papers
Laser-Fabricated Microfluidic Channels Consisting of Hydrophobic and Hydrophilic PMMA
Jin-Ho LEE, Jeong-hyun SEOUNG, Ki-Soo LIM*
Department of Physics, Chungbuk National University, Cheongju 28644, Korea
We report hydrophobic and hydrophilic Polymethylmethacrylate (PMMA) surfaces fabricated by using a femtosecond laser. The treated surfaces were characterized by using water contact angle measurements, Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS). The hydrophobicity of the surface with periodic square arrays of rectangular pillars was assumed to be due to its Cassie−Baxter state. The hydrophilicity of the irradiated flat surface was due to a change in the surface chemical state, not to the Wenzel state. The irradiated surface showed a reduced ratio of the carbon to the oxygen density and an increased hydro-oxide ion band due to surface oxidization and bond-breaking. We fabricated Y-shaped microfluidic channels consisting of hydrophobic and hydrophilic surfaces. Flow rates were observed and analyzed for both channels with different injection rates. We also used a confocal fluorescence microscope to observe the flow with high resolution. 
New Phys.: Sae Mulli 2018; 68: 934-938
Measurement of Electrical Conductivity and Dielectric Constant for Various Emission Wavelengths of Quantum-Dots-Doped Nematic Liquid Crystals
Gun Yeup KIM, Chong Hoon KWAK*
Department of Physics, Yeungnam University, Gyeongsan 38541, Korea
We fabricated quantum dot/nematic liquid crystal mixtures (QD-NLCs) with various quantum dot emission wavelengths and measured the electrical resistance and the electrical capacitance as functions of the QD emission wavelength by using the current-voltage characteristic curve and the capacitor method, respectively. By combining the Frank elastic continuum theory and the Maier-Saupe mean field theory, we explicitly present the formulae for the electric resistance and the electric capacitor in terms of the order parameter of the QD-NLCs. Versatile physical parameters, such as the electrical conductivity, dielectric anisotropy constant, Frank elastic constant and quantum dot potential energy, for various quantum dot emission wavelengths are qualitatively estimated from the experimental data by using the proposed theoretical model; Reasonably good agreements are obtained between the measured and predicted results.
New Phys.: Sae Mulli 2018; 68: 844-851
New Phys.: Sae Mulli 2018; 68: 819~938
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Review Paper
Short Review on Fe$_2$O$_3$ Polymorphs and $\varepsilon$-Fe$_2$O$_3$ Thin Films
Heon-Jung KIM*
New Phys.: Sae Mulli 2018; 68: 819-828  https://doi.org/10.3938/NPSM.68.819
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Research Papers
Effects of Maganese Impurity on the Crystallographic and Spin-Rotation Transitions in FeS
Engchan KIM*
New Phys.: Sae Mulli 2018; 68: 829-833  https://doi.org/10.3938/NPSM.68.829
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Fabrication of Microholes in Silicon Wafers by Using Wet-Chemical Etching
Ha Young LEE, Ji-Yeon NOH, Min Sub KWAK, Kyung-Won LIM, Hyung Soo AHN, Ji-Hoon AHN, Sam Nyung YI*, Jungho RYU†
New Phys.: Sae Mulli 2018; 68: 834-838  https://doi.org/10.3938/NPSM.68.834
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Formation of Polycrystalline Silicon by Using the Crystallization of Silicon Oxide
Jong-Hwan YOON*
New Phys.: Sae Mulli 2018; 68: 839-843  https://doi.org/10.3938/NPSM.68.839
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Measurement of Electrical Conductivity and Dielectric Constant for Various Emission Wavelengths of Quantum-Dots-Doped Nematic Liquid Crystals
Gun Yeup KIM, Chong Hoon KWAK*
New Phys.: Sae Mulli 2018; 68: 844-851  https://doi.org/10.3938/NPSM.68.844
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A Study on Si$_3$N$_4$ Thin Film Etching with H$_3$PO$_4$ and Additives by Using Wafer Direct Heating
Seunghoon LEE*, Sungwon MO, Yangho LEE
New Phys.: Sae Mulli 2018; 68: 852-856  https://doi.org/10.3938/NPSM.68.852
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Analysis of Features of Korean Eighth Grade Students' TIMSS 2015 Achievement in Physics due to Curriculum Change
Youngsun KWAK, Jaebong LEE*
New Phys.: Sae Mulli 2018; 68: 857-868  https://doi.org/10.3938/NPSM.68.857
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Analysis of Explanations of Quantum Mechanics in Physics Textbooks According to the 2015 Revised Curriculum
Hunkoog JHO*
New Phys.: Sae Mulli 2018; 68: 869-879  https://doi.org/10.3938/NPSM.68.869
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Investigation of College Students' Understanding of Physical Concepts in Force and Motion
Deuksu KIM, Kitak WON, Cookhyun KIM, Seunghyun LEE*
New Phys.: Sae Mulli 2018; 68: 880-888  https://doi.org/10.3938/NPSM.68.880
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Semantics Network Analysis of the Activation Words for `Energy' Terminology Used by Secondary Pre-Service Science Teachers
Youngwook SONG*
New Phys.: Sae Mulli 2018; 68: 889-898  https://doi.org/10.3938/NPSM.68.889
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Korean High School Students' Physics Identities and STEM Career Aspirations
Na-ri LEE, Nam-Hwa KANG*
New Phys.: Sae Mulli 2018; 68: 899-908  https://doi.org/10.3938/NPSM.68.899
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Analysis of Teaching Behavior in Pre-Service Teachers' Practicum with Learning Assistant Experiences
Hu Jun JIANG, Jiwon LEE, Jung Bog KIM*
New Phys.: Sae Mulli 2018; 68: 909-920  https://doi.org/10.3938/NPSM.68.909
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Role of Hybrid Cloners for Broadcasting Quantum Entanglement
Eui-Soon YIM*
New Phys.: Sae Mulli 2018; 68: 921-927  https://doi.org/10.3938/NPSM.68.921
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Axisymmetric Distortion of Charged Black Holes
Dal-Ho PARK*
New Phys.: Sae Mulli 2018; 68: 928-933  https://doi.org/10.3938/NPSM.68.928
Full Text(PDF)
Laser-Fabricated Microfluidic Channels Consisting of Hydrophobic and Hydrophilic PMMA
Jin-Ho LEE, Jeong-hyun SEOUNG, Ki-Soo LIM*
New Phys.: Sae Mulli 2018; 68: 934-938  https://doi.org/10.3938/NPSM.68.934
Full Text(PDF)
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Graphene Electronic Devices: Transistor vs. Barristor
Sung Ho JHANG, Nae Bong JEONG, Do-Hyun PARK, Hyun-Jong CHUNG*
Trend Analysis by Using Text Mining of Journal Articles Regarding Consumer Policy
Min-Jeong KIM, Kyungyoung OHK*, Chung-Sook MOON
Experimental Analysis on the 0 Dimensional Plasma Model in an Inductively Coupled Plasma (ICP)
Myoung-Jae LEE*, Eui Jun CHUNG
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