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  1. No Access

    Article

    Dielectric Properties of Strained Nickel Oxide Thin Films

    The dielectric properties of NiO thin films grown by pulsed laser deposition have been studied as a function of strain at temperature from 10 to 300 K. Above 150 K, the contribution of space-charge polarizatio...

    Alireza Kashir, Hyeon-Woo Jeong, Gil-Ho Lee… in Journal of the Korean Physical Society (2019)

  2. No Access

    Article

    Violation of Ohm’s law in a Weyl metal

    The chiral anomaly in the Weyl metal phase is reported to lead to a breakdown of Ohm’s law.

    Dongwoo Shin, Yongwoo Lee, M. Sasaki, Yoon Hee Jeong… in Nature Materials (2017)

  3. No Access

    Article

    Electric-field-induced spin disorder-to-order transition near a multiferroic triple phase point

    The emergence of a triple phase point in a two-dimensional parameter space (such as pressure and temperature) can offer unforeseen opportunities for the coupling of two seemingly independent order parameters. ...

    Byung-Kweon Jang, ** Hong Lee, Kanghyun Chu, Pankaj Sharma, Gi-Yeop Kim… in Nature Physics (2017)

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    Article

    Field-induced spin-flop transition in a one-dimensional chain of MnV2O6

    The magnetic behaviors of one-dimensional chain-structured MnV2O6 single crystals are investigated by means of magnetic susceptibility, magnetization, and heat capacity measurements. Heat capacity data show a λ-l...

    Sang-Youn Park, Yoon-Hee Jeong, Tae-Yeong Koo in Journal of the Korean Physical Society (2014)

  5. No Access

    Article

    Magneto-capacitance effects in epitaxial TbMn2O5 thin films

    Thin films of TbMn2O5 (TMO) were grown on Nb-doped TiO2 (110) substrates by using pulsed laser deposition to investigate the effects of substrate-induced strains on the multiferroic properties observed in the bul...

    Jong Hyun Song, Sun Hee Kang, Ill Won Kim… in Journal of the Korean Physical Society (2012)

  6. No Access

    Article

    Growth of epitaxial DyMn2O5 thin films and their magnetic properties

    We grew highly epitaxial DyMn2O5 (DMO) thin films on Nb-doped TiO2(110) single crystal substrates by using the pulsed laser deposition technique and studied their magnetic properties. The surface normal crystal d...

    Tae Yeong Koo, S. H. Kang, I. W. Kim… in Journal of the Korean Physical Society (2012)

  7. No Access

    Article

    Concurrent transition of ferroelectric and magnetic ordering near room temperature

    Strong spin-lattice coupling in condensed matter gives rise to intriguing physical phenomena such as colossal magnetoresistance and giant magnetoelectric effects. The phenomenological hallmark of such a strong...

    Kyung-Tae Ko, Min Hwa Jung, Qing He, ** Hong Lee, Chang Su Woo… in Nature Communications (2011)

  8. No Access

    Article

    Structural, optical, and electronic properties of room temperature ferromagnetic GaCuN film grown by hybrid physical-chemical vapor deposition

    Ferromagnetic Cu-doped GaN film was grown on a GaN-buffered sapphire (0001) substrate by a hybrid physical-chemical-vapor-deposition method (HPCVD). The GaCuN film (Cu: 3.6 at.%) has a highly c-axis-oriented h...

    Chul Hwan Choi, Seon Hyo Kim, Hyo ** Lee, Yoon Hee Jeong in Journal of Materials Research (2009)

  9. No Access

    Article

    Inhomogeneous Magnetic Structures of La0.7Ca0.3MnO3 Investigated by ESR and Magnetization Measurements

    Comprehensive measurements of electron spin resonance and magnetization of La0.7Ca0.3MnO3 in the ferromagnetic as well as paramagnetic phases were carried out. From the quantitative analysis of the ESR signal, at...

    Keon Woo Joh, Chang Hoon Lee, Cheol Eui Lee… in MRS Online Proceedings Library (1999)

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    Article

    Enthalpy Relaxation Near the Glass Transition of a Supercooled Liquid [Ca(NO3)2]0.4[KNO3]0.6

    We have investigated the slow dynamics in the glass transition region of a supercooled liquid [Ca(NO3)2]0.4[KNO3]0.6 by measuring the dynamic specific heat in the frequency range from 0.01 Hz to 5 kHz. The equili...

    I.K. Moon, Yoon-Hee Jeong in MRS Online Proceedings Library (1995)