Search Results - "Seog, Hae Jin"
-
1
Regulating the Quantum Dots Integration to Improve the Performance of Tin–Lead Perovskite Solar Cells
Published in Advanced energy materials (01-05-2024)“…Despite their advantageous attributes, such as a narrow bandgap and reduced toxicity, tin–lead halide perovskites (TLHPs) have received limited attention due…”
Get full text
Journal Article -
2
Recent Progress in Potassium Sodium Niobate Lead-free Thin Films
Published in Journal of the Korean Physical Society (01-06-2018)“…Lead-free potassium sodium niobate (KNN)-based thin films have attracted much interest in replacing current lead zirconate titanate (PZT)-based piezoelectric…”
Get full text
Journal Article -
3
Low-Temperature Sintering of Bi0.5(Na,K)0.5TiO3 for Multilayer Ceramic Actuators
Published in Journal of the American Ceramic Society (01-06-2015)“…We investigated the influence of CuO amount (0.5–3.0 mol%), sintering temperature (900°C–1000°C), and sintering time (2–6 h) on the low‐temperature sintering…”
Get full text
Journal Article -
4
Change of electrical properties of (K0.5Na0.5) (Mn0.005Nb0.995)O3 thin films induced by gamma-ray irradiation
Published in Current applied physics (01-05-2016)“…We investigated the effects of gamma-ray (γ) irradiation on the electrical properties of (K0.5Na0.5) (Mn0.005Nb0.995)O3 (KNMN) thin films. The KNMN thin films…”
Get full text
Journal Article -
5
Large transverse piezoelectric properties of lead-free Bi0.5(Na0.82K0.18)0.5TiO3 films
Published in Current applied physics (01-04-2016)“…The ferroelectric and piezoelectric properties of Bi0.5(Na1-xKx)0.5TiO3 (x = 0, 0.18 and 0.25) films deposited on Pt(111)/TiO2/SiO2/Si(100) substrates using a…”
Get full text
Journal Article -
6
Effect of Mn substitution on ferroelectric and leakage current characteristics of lead-free (K₀.₅Na₀.₅)(MnₓNb₁₋ₓ)O₃ thin films
Published in Current applied physics (01-05-2011)“…Lead-free (K₀.₅Na₀.₅)(MnₓNb₁₋ₓ)O₃ (KNMN-x, x = 0, 0.0025, 0.0050, 0.0075, 0.0100) ferroelectric thin films were prepared by a chemical solution deposition…”
Get full text
Journal Article -
7
Interfacial Dead Layers on Lead Free Ferroelectric (K0.5Na0.5)(Mn0.005Nb0.995)O3 Thin Films
Published in Jpn J Appl Phys (25-09-2012)“…(K 0.5 Na 0.5 )(Mn 0.005 Nb 0.995 )O 3 (KNMN) thin films of thickness ranging from 200 to 500 nm were deposited on Pt/TiO x /SiO 2 /Si substrates using a…”
Get full text
Journal Article -
8
Dry Etching Characteristics of Bi0.5(Na0.82K0.18)0.5TiO3 Thin Films in Inductively Coupled Plasma
Published in Ferroelectrics (01-01-2013)“…The etch process of the Bi 0.5 (Na 0.82 K 0.18 ) 0.5 TiO 3 (BNKT) thin films were performed in BCl 3 /Ar plasma. We investigated the etching characteristics of…”
Get full text
Journal Article -
9
Ferroelectric seeds-induced phase evolution and large electrostrain under reduced poling field in bismuth-based composites
Published in Ceramics international (01-08-2018)“…Bi0.5Na0.5TiO3-based piezoelectric ceramics have attracted great interest in actuator applications due to their high strain response; however, high driving…”
Get full text
Journal Article -
10
Change of electrical properties of (K 0.5 Na 0.5 ) (Mn 0.005 Nb 0.995 )O 3 thin films induced by gamma-ray irradiation
Published in Current applied physics (01-05-2016)Get full text
Journal Article -
11
Effect of Mn substitution on ferroelectric and leakage current characteristics of lead-free (K 0.5Na 0.5)(Mn x Nb 1− x )O 3 thin films
Published in Current applied physics (01-05-2011)“…Lead-free (K 0.5Na 0.5)(Mn x Nb 1− x )O 3 (KNMN- x, x = 0, 0.0025, 0.0050, 0.0075, 0.0100) ferroelectric thin films were prepared by a chemical solution…”
Get full text
Journal Article -
12
Low-Temperature Sintering of Bi^sub 0.5^(Na,K)^sub 0.5^TiO^sub 3^ for Multilayer Ceramic Actuators
Published in Journal of the American Ceramic Society (01-06-2015)“…We investigated the influence of CuO amount (0.5-3.0 mol%), sintering temperature (900...C-1000...C), and sintering time (2-6 h) on the low-temperature…”
Get full text
Journal Article -
13
Low‐Temperature Sintering of Bi 0.5 (Na,K) 0.5 TiO 3 for Multilayer Ceramic Actuators
Published in Journal of the American Ceramic Society (01-06-2015)“…We investigated the influence of CuO amount (0.5–3.0 mol%), sintering temperature (900°C–1000°C), and sintering time (2–6 h) on the low‐temperature sintering…”
Get full text
Journal Article -
14
Downward self-polarization of lead-free (K sub(0.5)Na sub(0.5))(Mn sub(0.005)Nb sub(0.995))O sub(3) ferroelectric thin films on Nb:SrTiO sub(3) substrate
Published in Physica status solidi. PSS-RRL. Rapid research letters (01-01-2017)“…Spontaneously appearing macroscopic polarization (self-polarization) in ferroelectrics without an electrode or an external electric field would enable the…”
Get full text
Journal Article -
15
Downward self‐polarization of lead‐free (K 0.5 Na 0.5 )(Mn 0.005 Nb 0.995 )O 3 ferroelectric thin films on Nb:SrTiO 3 substrate
Published in Physica status solidi. PSS-RRL. Rapid research letters (01-01-2017)“…Spontaneously appearing macroscopic polarization (self‐polarization) in ferroelectrics without an electrode or an external electric field would enable the…”
Get full text
Journal Article -
16
Interfacial Dead Layers on Lead Free Ferroelectric (K 0.5 Na 0.5 )(Mn 0.005 Nb 0.995 )O 3 Thin Films
Published in Japanese Journal of Applied Physics (01-09-2012)“…(K 0.5 Na 0.5 )(Mn 0.005 Nb 0.995 )O 3 (KNMN) thin films of thickness ranging from 200 to 500 nm were deposited on Pt/TiO x /SiO 2 /Si substrates using a…”
Get full text
Journal Article -
17
Pure ferroelectric polarization of lead-free Na0.5K0.5NbO3 thin films by using the double wave method
Published in Journal of the Korean Physical Society (01-05-2015)“…Na 0.5 K 0.5 NbO 3 (NKN) thin films were grown on Pt(111)/Ti/SiO 2 /Si substrates by using RFmagnetron sputtering. We investigated the behavior of the…”
Get full text
Journal Article -
18
Downward self‐polarization of lead‐free (K0.5Na0.5)(Mn0.005Nb0.995)O3 ferroelectric thin films on Nb:SrTiO3 substrate
Published in Physica status solidi. PSS-RRL. Rapid research letters (01-01-2017)“…Spontaneously appearing macroscopic polarization (self‐polarization) in ferroelectrics without an electrode or an external electric field would enable the…”
Get full text
Journal Article -
19
Interfacial Dead Layers on Lead Free Ferroelectric (K 0.5 Na 0.5 )(Mn 0.005 Nb 0.995 )O 3 Thin Films
Published in Japanese Journal of Applied Physics (01-09-2012)Get full text
Journal Article -
20
Dry Etching Characteristics of Bi sub(0.5)(Na sub(0.82)K sub(0.18)) sub(0.5)TiO sub(3) Thin Films in Inductively Coupled Plasma
Published in Ferroelectrics (01-01-2013)“…The etch process of the Bi sub(0.5)(Na sub(0.82)K sub(0.18)) sub(0.5)TiO sub(3)(BNKT) thin films were performed in BCl sub(3)/Ar plasma. We investigated the…”
Get full text
Journal Article