Search Results - "Lee, Myang Hwan"

Comparison of multi-valent manganese oxides (Mn4+, Mn3+, and Mn2+) doping in BiFeO3-BaTiO3 piezoelectric ceramics by Kim, Da Jeong, Lee, Myang Hwan, Song, Tae Kwon

“…Different manganese oxides-doping effects were compared in piezoceramic BiFeO3-BaTiO3 system. 0.67Bi1.05(Fe0.99Mnx0.01)O3-0.33BaTiO3 (valence state x = 4+, 3+,…”
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Lead-free high performance Bi(Zn0.5Ti0.5)O3-modified BiFeO3-BaTiO3 piezoceramics by Ryu, Gyung Hyun, Hussain, Ali, Lee, Myang Hwan, Malik, Rizwan Ahmed, Song, Tae-Kwon, Kim, Won-Jeong, Kim, Myong-Ho

“…In this article, structure, dielectric, ferroelectric and piezoelectric properties of Bi rich Bi1.05(Zn0.5Ti0.5)O3-modified BiFeO3-BaTiO3 (BF-BT-xBZT) ceramics…”
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Flexoelectric Effect in the Reversal of Self-Polarization and Associated Changes in the Electronic Functional Properties of BiFeO3 Thin Films by Jeon, Byung Chul, Lee, Daesu, Lee, Myang Hwan, Yang, Sang Mo, Chae, Seung Chul, Song, Tae Kwon, Bu, Sang Don, Chung, Jin-Seok, Yoon, Jong-Gul, Noh, Tae Won

“…Flexoelectricity can play an important role in the reversal of the self‐polarization direction in epitaxial BiFeO3 thin films. The flexoelectric and…”
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A correlation between piezoelectric response and crystallographic structural parameter observed in lead-free (1-x)(Bi0.5Na0.5)TiO3–xSrTiO3 piezoelectrics by Kim, Sangwook, Choi, Haein, Han, Sungjin, Park, Jin Su, Lee, Myang Hwan, Song, Tae Kwon, Kim, Myong-Ho, Do, Dalhyun, Kim, Won-Jeong

“…The structure of lead-free (1-x)(Bi0.5Na0.5)TiO3-xSrTiO3 (BNT-STx) ceramics was analyzed by the Rietveld method, using X-ray diffraction and neutron scattering…”
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Flexoelectric Control of Defect Formation in Ferroelectric Epitaxial Thin Films by Lee, Daesu, Jeon, Byung Chul, Yoon, Aram, Shin, Yeong Jae, Lee, Myang Hwan, Song, Tae Kwon, Bu, Sang Don, Kim, Miyoung, Chung, Jin-Seok, Yoon, Jong-Gul, Noh, Tae Won

“…Flexoelectric control of defect formation and associated electronic function is demonstrated in ferroelectric BiFeO3 thin films. An intriguing, so far never…”
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Phase diagram for Bi-site La-doped BiFeO3BaTiO3 lead-free piezoelectric ceramics by Muhammad Habib, Myang Hwan Lee, Da Jeong Kim, Fazli Akram, Hai In Choi, Myong-Ho Kim, Won-Jeong Kim, Tae Kwon Song

“…Three different series of lead-free ceramics, i.e., (1-y)Bi1.03(1-x)LaxFeO3–yBaTiO3 (y = 0.27, x = 0.00–0.12), (y = 0.30, x = 0.00–0.10), and (y = 0.33,…”
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Electromechanical properties of ternary BiFeO3−0.35BaTiO3–BiGaO3 piezoelectric ceramics by Akram, Fazli, Malik, Rizwan Ahmed, Khan, Salman Ali, Hussain, Ali, Lee, Soonil, Lee, Myang-Hwan, In, Choi Hai, Song, Tae-Kwon, Kim, Won-Jeong, Sung, Yeon Soo, Kim, Myong-Ho

“…In the present work, composition dependent crystal structure, ferroelectric, piezoelectric, and temperature dependent dielectric properties of the BiGaO 3…”
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Ferroelectric Polarization Dependent Piezoelectric Hardening in BiFeO3‐BaTiO3 Lead‐Free Ceramics by Lee, Myang Hwan, Choi, Hae In, Kim, Da Jeong, Kim, Ji Su, Lee, Sang Woo, Park, Yubin, Yang, Sang Mo, Song, Tae Kwon

“…The relation between the improvement of mechanical quality factor (Qm) and internal electric field (Ei) generated during the aging process in lead‐free…”
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Effects of forming pressure on the piezoelectric property of lead-free 0.67BiFeO3-0.33BaTiO3 ceramics by Hwang, Inji, Do, Dalhyun, Lee, Myang Hwan, Kim, Da Jeong, Park, Jin Su, Song, Tae Kwon, Kim, Myong-Ho

“…Three types of green compacts were formed by using applied loads of 1, 2, and 3 ton, respectively, and were sintered at 980 ◦C. The sintered ceramics with an…”
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Structural and Multiferroic Properties of Chemical-Solution-Deposited (Bi0.95La0.05)(Fe0.97Cr0.03)O3/NiFe2O4 Double-Layered Thin Film by Raghavan, Chinnambedu Murugesan, Kim, Hae Jin, Kim, Jin Won, Kim, Sang Su, Do, Dalhyun, Lee, Myang Hwan, Song, Tae Kwon, Kim, Myong Ho

“…The structural, electrical, and multiferroic properties of the double-layered (Bi 0.95 La 0.05 )(Fe 0.97 Cr 0.03 )O 3 /NiFe 2 O 4 thin film deposited on a…”
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The thermal treatment effect on electrical properties of mn-modified polycrystalline BiFeO3 thin films by Sangwook Kim, Won-Jeong Kim, Myang Hwan Lee, Jin Su Park, Da Jeong Kim, Myong-Ho Kim, Tae Kwon Song, Dalhyun Do

“…Mn modified BFO (BFMO) thin films has been deposited using pulsed laser deposition on Pt(111)/Ti/SiO 2 /Si(100) substrates at 540°C. After completion of…”
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Structural modification of Pr3+-/Zr4+ doped HfO2:Eu3+ and the resulting luminescence and dielectric properties by Han, Jaeho, Choi, Hai In, Lee, Myang Hwan, Song, Tae Kwon, Lee, Yun Sang

“…Incorporating a minute amount of rare earth ions has been suggested to improve the functionality of electronic materials through the introduction of…”
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High-Performance Lead-Free Piezoceramics with High Curie Temperatures by Lee, Myang Hwan, Kim, Da Jeong, Park, Jin Su, Kim, Sang Wook, Song, Tae Kwon, Kim, Myong-Ho, Kim, Won-Jeong, Do, Dalhyun, Jeong, Il-Kyoung

“…A bismuth ferrite and barium titanate solid solution compound can achieve good piezoelectric properties with a high Curie temperature when fabricated with…”
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Temperature-insensitive piezoelectric properties of lead-free BiFeO3–BaTiO3 ceramics with high Curie temperature by Habib, Muhammad, Lee, Myang Hwan, Akram, Fazli, Kim, Myong-Ho, Kim, Won-Jeong, Song, Tae Kwon

“…Temperature-insensitive high piezoelectric strain and low strain hysteresis (Hs) with high Curie temperature (TC) are desirable for piezoelectric actuator…”
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Hard piezoelectric properties of lead‐free BiFeO 3 –BaTiO 3 ceramics by Lee, Myang Hwan, Choi, Hae In, Kim, Da Jeong, Kim, Ji Su, Song, Tae Kwon

“…Abstract Hard piezoelectric properties are investigated in lead‐free BiFeO 3 –BaTiO 3 (BF–BT) ceramics. Rhombohedral (R) phase ceramics of (1 –  x )BF– x BT (…”
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Phase evolution and origin of the high piezoelectric properties in lead-free BiFeO3–BaTiO3 ceramics by Habib, Muhammad, Lee, Myang Hwan, Kim, Da Jeong, Choi, Hai In, Kim, Myong-Ho, Kim, Won-Jeong, Song, Tae Kwon

“…La-substitution effects for Bi3+-site in 0.7Bi1.03(1-x)LaxFeO3-0.3BaTiO3 (abbreviated as BF30BT-100xLF with x = 0.00, 0.01, 0.035, 0.06, 0.07 and 0.10)…”
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Hard piezoelectric properties of lead‐free BiFeO3–BaTiO3 ceramics by Lee, Myang Hwan, Hae In Choi, Da Jeong Kim, Ji Su Kim, Tae Kwon Song

“…Hard piezoelectric properties are investigated in lead‐free BiFeO3–BaTiO3 (BF–BT) ceramics. Rhombohedral (R) phase ceramics of (1 – x)BF–xBT (x = 0.20–0.30)…”
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Thermal Quenching Effects on the Ferroelectric and Piezoelectric Properties of BiFeO3–BaTiO3 Ceramics by Lee, Myang Hwan, Kim, Da Jeong, Choi, Hae In, Kim, Myong-Ho, Song, Tae Kwon, Kim, Won-Jeong, Do, Dalhyun

“…By modification of the heat-treatment process to avoid the intermediate temperature range where secondary phases are easily formed in BiFeO3, piezoelectric…”
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Enhanced piezoelectric performance of donor La3+-doped BiFeO3–BaTiO3 lead-free piezoceramics by Habib, Muhammad, Lee, Myang Hwan, Kim, Da Jeong, Choi, Hai In, Kim, Myong-Ho, Kim, Won-Jeong, Song, Tae Kwon, Choi, Kyu Sang

“…Lead-free 0.70Bi1.03FeO3-0.30Ba(1-x)LaxTiO3 piezoelectric ceramics (with x = 0.000, 0.005, 0.010, 0.015 and 0.035 abbreviated as 0.0BaLa, 0.5BaLa, 1.0BaLa,…”
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Low sintering temperature for lead‐free BiFeO 3 ‐BaTiO 3 ceramics with high piezoelectric performance by Lee, Myang Hwan, Kim, Da Jeong, Choi, Hae In, Kim, Myong‐Ho, Song, Tae Kwon, Kim, Won‐Jeong, Park, Jin Su, Do, Dalhyun

“…Abstract Through modification of the heat‐treatment process using a higher heating rate and a lower binder burnout temperature, the piezoelectric performance…”
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