8.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Asia Pacific Center for Theoretical PhysicsKR600 papers
- Institute for Basic ScienceKR238 papers
- Seoul National UniversityKR166 papers
- Korea Institute for Advanced StudyKR138 papers
- Korea Advanced Institute of Science and TechnologyKR103 papers
- Pohang Accelerator Laboratory91 papers
- Rutgers, The State University of New JerseyUS74 papers
- Lawrence Berkeley National LaboratoryUS67 papers
- Yonsei UniversityKR60 papers
- Korea UniversityKR57 papers
- Pusan National UniversityKR57 papers
- Sungkyunkwan UniversityKR57 papers
42 papers · 1 filter
Spintronic and electrochromic device based on Li-intercalated transition-metal doped anatase
Min Sik Park, B. I. Min
We have explored the effects of the Li intercalation on the electronic and magnetic properties of transition-metal (TM) doped anatase TiO. By Li intercalation, Mn-doped TiO…
Study of the electron-phonon interaction in metal diborides MeB_2 (Me=Zr, Nb, Ta, Mg) by point-contact spectroscopy
I. K. Yanson, Yu. G. Naidyuk, O. E. Kvitnitskaya +12
We review investigations of the electron-phonon interaction (EPI) in metal diborides MeB_2 (Me=Zr, Nb, Ta, Mg) by point-contact (PC) spectroscopy. For transition metal compounds th…
Interplay of dendritic avalanches and gradual flux penetration in superconducting MgB2 films
D. V. Shantsev, P. E. Goa, F. L. Barkov +3
Magneto-optical imaging was used to study a zero-field-cooled MgB2 film at 9.6K where in a slowly increasing field the flux penetrates by abrupt formation of large dendritic struct…
The pair-breaking critical current density of magnesium diboride
Milind N. Kunchur, Sung-Ik Lee, W. N. Kang
The pair-breaking critical current density j_{d} of magnesium diboride was determined over its entire temperature range by a pulsed dc transport measurement. At fixed low values of…
Covariant Description of D-branes in IIA Plane-Wave Background
Seungjoon Hyun, Jaemo Park, Hyeonjoon Shin
We work out boundary conditions for the covariant open string in the type IIA plane wave background, which corresponds to the D-branes in the type IIA theory. We use the kappa symm…
Prominent quasi-particle peak in the photoemission spectrum of the metallic phase of V_2O_3
S. -K. Mo, J. D. Denlinger, H. -D. Kim +14
We present the first observation of a prominent quasi-particle peak in the photoemission spectrum of the metallic phase of V_2O_3 and report new spectral calculations that combine…
Resonant photoemission spectroscopy study of insulator-to-metal transition in Cr- and Ru-doped Nd_{1/2}A_{1/2}Mn_{1-y} O_{3} (A=Ca, Sr)
J. -S. Kang, J. H. Kim, A. Sekiyama +11
Electronic structures of very dilute Cr- or Ru-doped Nd_{1/2}A_{1/2}MnO_{3} (NAMO; A=Ca, Sr) manganites have been investigated using the Mn and Cr 2p -> 3d resonant photoemission s…
Chiral primary cubic interactions from pp-wave supergravity
Youngjai Kiem, Yoonbai Kim, Jaemo Park +1
We explicitly construct cubic interaction light-cone Hamiltonian for the chiral primary system involving the metric fields and the self-dual four-form fields in the IIB pp-wave sup…
Direct Observation of Nodal Quasiparticles in an Unconventional Superconductor: Field-angle Dependent Heat Capacity of YNi2B2C
Tuson Park, M. B. Salamon, Eun Mi Choi +2
Field-angle dependent heat capacity of the non-magnetic borocarbide superconductor YNi2B2C reveals a clear fourfold oscillation, the first observation of its kind. The observed ang…
Electronic structures of LaS and CeS
J. H. Shim, Kyoo Kim, B. I. Min +1
We have investigated electronic structures of LaS and CeS using the LSDA and LSDA+ methods. Calculated density of states (DOS) are compared with the experimental…
Li intercalation effects on magnetism in undoped and Co-doped anatase TiO
Min Sik Park, S. K. Kwon, B. I. Min
The effects of -type carrier doping by Li intercalation on magnetism in undoped and Co-doped anatase TiO are investigated. We have found that doped -type carriers in TiO$…
Magnetic phase diagram of doped CMR manganites
Unjong Yu, Yookyung Jo, B. I. Min
The magnetic phase diagram of the colossal magnetoresistance (CMR) manganites is determined based on the Hamiltonian incorporating the double-exchange (DE) interaction between dege…
Growth of superconducting MgB2 thin films via postannealing techniques
W. N. Kang, Eun-Mi Choi, Hyeong-Jin Kim +2
We report the effect of annealing on the superconductivity of MgB2 thin films as functions of the postannealing temperature in the range from 700 C to 950 C and of the postannealin…
Photoemission and x-ray absorption study of MgC_(1-x)Ni_3
J. H. Kim, J. S. Ahn, Jinsoo Kim +4
We investigated electronic structure of MgC_(1-x)Ni_3 with photoemission and x-ray absorption spectroscopy. Both results show that overall band structure is in reasonable agreement…
A key to room-temperature ferromagnetism in Fe-doped ZnO: Cu
S-J. Han, J. W. Song, C. -H. Yang +3
Successful synthesis of room-temperature ferromagnetic semiconductors, ZnFeO, is reported. The essential ingredient in achieving room-temperature ferromagnetism in bu…
Coherence lengths and anisotropy in MgB2 superconductor
A. Dulcic, M. Pozek, D. Paar +4
Field and temperature microwave measurements have been carried out on MgB2 thin film grown on Al2O3 substrate. The analysis reveals the mean field coherence length xi_{MF} in the m…
Large anisotropy in the optical conductivity of YNi2B2C
S. J. Youn, B. I. Min, A. J. Freeman
The optical properties of YNiBC are studied by using the first-principles full-potential linearized augmented plane wave (FLAPW) method within the local density approximati…
Internal localized eigenmodes on spin discrete breathers in antiferromagnetic chains with on-site easy axis anisotropy
Sang Wook Kim, Seunghwan Kim
We investigate internal localized eigenmodes of the linearized equation around spin discrete breathers in 1D antiferromagnets with on-site easy axis anisotropy. The threshold of oc…
Recent Progress in Neutrino Factory and Muon Collider Research within the Muon Collaboration
M. M. Alsharo'a
We describe the status of our effort to realize a first neutrino factory and the progress made in understanding the problems associated with the collection and cooling of muons tow…
Effects of unreacted Mg impurities on the transport properties of MgB2
C. U. Jung, Heon-Jung Kim, Min-Seok Park +9
We synthesized polycrystalline MgB2 from a stoichiometric mixture of Mg and the 11 B isotope under different conditions. All the samples showed bulk superconductivity with Tc = 38~…
Nonmonotonic behavior of resistance in a superconductor-Luttinger liquid junction
H. -W. Lee, Hyun C. Lee, Hangmo Yi +1
Transport through a superconductor-Luttinger liquid junction is considered. When the interaction in the Luttinger liquid is repulsive, the resistance of the junction with a suffici…
Strongly correlated s-wave pairing in the n-type infinite-layer cuprate
C. -T. Chen, P. Seneor, N. -C. Yeh +7
Quasiparticle tunneling spectra of the electron-doped (n-type) infinite-layer cuprate Sr_{0.9}La_{0.1}CuO_2 reveal characteristics that counter a number of common phenomena in the…
PP-wave/Yang-Mills Correspondence: An Explicit Check
Youngjai Kiem, Yoonbai Kim, Sangmin Lee +1
We present an explicit evidence that shows the correspondence between the type IIB supergravity in the pp-wave background and its dual supersymmetric Yang-Mills theory at the inter…
Anisotropy of the Upper Critical Field and Critical Current in Single Crystal MgB
L. Lyard, P. Samuely, P. Szabo +15
We report on specific heat, high magnetic field transport and susceptibility measurements on magnesium diboride single crystals. The upper critical field for magnetic…