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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
Analysis of the Superconducting Characteristics of Niobium Thin Films Deposited by Using a DC Magnetron Sputtering System
Joonyoung CHOI1, Jaehyun LEE1, Chang-Duk KIM*1, Younjung JO†1, Jeonghun KANG2, Sung Ho BAE2, Jaehyeok YANG2, Dabin JEONG2
1 Department of Physics, Kyungpook National University, Daegu 41566, Korea
2 Daegu Science High School, Daegu 42110, Korea
The superconducting characteristics of Nb thin films deposited by using a DC magnetron sputtering system are investigated as a function of the sputtering temperature. The crystallinities of Nb and NbO are analyzed using an X-ray diffractometer (XRD), and the surface characteristics are analyzed using a field-emission scanning electron microscope (FE-SEM) and an atomic force microscope (AFM). The superconducting characteristics of the fabricated Nb thin films are confirmed using measurements of the resistance as a function of the temperature. The Nb thin film grown at a sputtering temperature of 240 $^\circ$C exhibits the highest crystallinity of Nb and the lowest crystallinity of NbO. The superconducting transition temperature ($T_c$) of the optimized film is 8.34 K, which is close to $T_c$ of bulk Nb, 9.25 K. Therefore, we confirm that NbO crystallinity caused by oxygen is the critical factor that inhibits the superconducting characteristics of the Nb thin films.
New Phys.: Sae Mulli 2018; 68: 284-289
High Throughput Procedure to Determine the Energy Levels of Carbon Crystals
Jai Seok AHN*
Department of Physics, Pusan National University, Busan 46241, Korea
To predict a new material with exotic physical properties, we introduce a new theoretical procedure for synthesizing an arbitrary crystal structure by filling the Wyckoff positions of a spacegroup. All the potential crystal structures of a given spacegroup are synthesized with the following three steps: First of all, independent sets of Wyckoff positions are generated. Secondly, the degrees of freedom in the generated sets are pre-optimized using the classical molecular dynamics method. Finally, the crystal structures are further refined using an ab-initio quantum mechanical calculation. We synthesized and compared the crystal structures and the energy levels of carbon crystals composed of less than 16 carbon atoms by using the procedure to generate and refine more than six thousands crystal structures. The utility of our method in predicting an extensive variety of carbon structures, including most of known ones, is demonstrated.
New Phys.: Sae Mulli 2018; 68: 279-283
New Phys.: Sae Mulli 2018; 68: 269~374
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Research Papers
Analysis of the Transmission Characteristics for a Neutron Guide
Jeong-Soo LEE*
New Phys.: Sae Mulli 2018; 68: 269-278  https://doi.org/10.3938/NPSM.68.269
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High Throughput Procedure to Determine the Energy Levels of Carbon Crystals
Jai Seok AHN*
New Phys.: Sae Mulli 2018; 68: 279-283  https://doi.org/10.3938/NPSM.68.279
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Analysis of the Superconducting Characteristics of Niobium Thin Films Deposited by Using a DC Magnetron Sputtering System
Joonyoung CHOI, Jaehyun LEE, Chang-Duk KIM*, Younjung JO†, Jeonghun KANG, Sung Ho BAE, Jaehyeok YANG, Dabin JEONG
New Phys.: Sae Mulli 2018; 68: 284-289  https://doi.org/10.3938/NPSM.68.284
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Rod-Shaped Dextran-Coated Nickel-Ferrite Nanoparticles for Use as Contrast Agents in Magnetic Resonance Imaging
Da-Ae LEE, Yusaf IQBAL, Hongsub BAE, Ilsu RHEE*, Sungwook HONG
New Phys.: Sae Mulli 2018; 68: 290-295  https://doi.org/10.3938/NPSM.68.290
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Synthesis and Magnetic Properties of FeCo/Edge-Oxidized Graphene Nanocomposites
Jinu KIM, Ki Hyeon KIM*, Baekil NAM
New Phys.: Sae Mulli 2018; 68: 296-300  https://doi.org/10.3938/NPSM.68.296
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Properties of a GaSb Epilayer Grown by Using Molecular Beam Epitaxy with Various Growth Temperatures
Jin Hee PARK, Hyun-Jun JO, Mo Geun SO, Jae Cheol SHIN, Jong Su KIM*, Tae Hyeon KU, Jun Oh KIM, Sang Jun LEE
New Phys.: Sae Mulli 2018; 68: 301-307  https://doi.org/10.3938/NPSM.68.301
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Optical Properties of CsPbX$_3$ (X = Br, I) Quantum Dots
Hayeon WON, Do Hyung KIM*
New Phys.: Sae Mulli 2018; 68: 308-311  https://doi.org/10.3938/NPSM.68.308
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Electrode Modeling and Characteristic Evaluation Using OPERA Simulations for Field Emitter Applications of a Triode Electrode Structure
Chang-Duk KIM*, Young Jin KIM, Kiwon YANG, Hyeong-Rag LEE†, Young-Soo SOHN
New Phys.: Sae Mulli 2018; 68: 312-317  https://doi.org/10.3938/NPSM.68.312
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Effects of a Plasma Generated from a Gas Mixture of Nitrogen, Methane, and Hydrogen on the Reduction of Graphene-Oxide Thin Films
Sung-Youp LEE, Hong Tak KIM, Dong Hun KEE, Jung Su PARK, Hyeong-Rag LEE*
New Phys.: Sae Mulli 2018; 68: 318-323  https://doi.org/10.3938/NPSM.68.318
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Convergence Behavior of the Nuclear Energy Density Functional for Nuclei
Hana GIL, Chang Ho HYUN*
New Phys.: Sae Mulli 2018; 68: 324-328  https://doi.org/10.3938/NPSM.68.324
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Study of the Problem Solving Process with a Graph about 'Motion' by Using an Eye Tracking Device
Hyeyoung SONG, Yunebae PARK*, Eunjeong YUN†
New Phys.: Sae Mulli 2018; 68: 329-337  https://doi.org/10.3938/NPSM.68.329
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Analysis of the Effects of Physics Prior Learning on the Physics Concept Level and Academic Achievement
Taejin BYUN*
New Phys.: Sae Mulli 2018; 68: 338-347  https://doi.org/10.3938/NPSM.68.338
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Development of a Portable Radiation Detector Using a Scintillator
Chan-Woo PARK, Hong-Joo KIM*
New Phys.: Sae Mulli 2018; 68: 348-352  https://doi.org/10.3938/NPSM.68.348
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The Evolution of the Radiation Pulse in a 3D Time-Dependent Free-Electron Laser
Soon-Kwon NAM*, TaeHoon KIM, Ki-Bum KIM, Myo Myint AUNG
New Phys.: Sae Mulli 2018; 68: 353-357  https://doi.org/10.3938/NPSM.68.353
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Analysis of the Conductivity of the Thermal Contact between a Nd:YAG Crystal and a Copper Cooling Mount
Chihyun JUNG, Jaewoo JUNG, Jonghoon YI*, Byeonghun CHA
New Phys.: Sae Mulli 2018; 68: 358-362  https://doi.org/10.3938/NPSM.68.358
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Study on the Assessment of Defects in a Sewage Pipe by Using Ultrasonic Waves
Yeon-Su LIM, Yun-Taek YEOM, Hak-Joon KIM, Sung-Jin SONG, Woo-Young KANG, Sung-Duk KWON*
New Phys.: Sae Mulli 2018; 68: 363-368  https://doi.org/10.3938/NPSM.68.363
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Ultrasonic Behavior of DMW Considering Actual Shape
Taek-Gyu LEE, Hak-Joon KIM, Sung-Jin SONG, Sung-Duk KWON*
New Phys.: Sae Mulli 2018; 68: 369-373  https://doi.org/10.3938/NPSM.68.369
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Erratum
Erratum: Turn-Off Electroluminescence Overshoots in Doped Alq Single-Layer Devices [New Phys.: Sae Mulli 67, 301 (2017)]
Sehwan PARK, Jihoon LIM, Wonil YANG, Hoon PARK, Changsun KIM, Jongho KIM, Heebaik CHAE*, Hyun Woung SHIN
New Phys.: Sae Mulli 2018; 68: 374-374  https://doi.org/10.3938/NPSM.68.374
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Graphene Electronic Devices: Transistor vs. Barristor
Sung Ho JHANG, Nae Bong JEONG, Do-Hyun PARK, Hyun-Jong CHUNG*
Crystalline State and Temperature-dependent Conductivity of Annealed ITO Thin Films
Dongpil SEO, Jaeuk HEO, Taehun JANG, Chan KIM*, Younjung JO†
Organic Light-emitting Diode Using a High-refractive-index Scattering Layer for Higher Efficiency
Hyemin JUNG, Seog GWAG*
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