Comprehensive review on amorphous oxide semiconductor thin film transistor

SY Lee - Transactions on Electrical and Electronic Materials, 2020 - Springer
Oxide materials are one of the most advanced key technology in the thin film transistors
(TFTs) for the high-end of device applications. Amorphous oxide semiconductors (AOSs) …

Excellent piezoelectric properties of (K, Na)(Nb, Sb) O3-CaZrO3-(Bi, Ag) ZrO3 lead-free piezoceramics

SH Go, DS Kim, JM Eum, HS Shin, SJ Chae… - Journal of Alloys and …, 2021 - Elsevier
Abstract Fe 2 O 3-containing 0.96 (K 0.5 Na 0.5)(Nb 0.93 Sb 0.07)-(0.04-x) CaZrO 3-x (Bi,
Ag) ZrO 3 piezoceramics with 0.0≤ x≤ 0.04 fabricated at 1090° C show a dense …

Review of sintering technologies, structural characteristics, and piezoelectric properties of NKN-based lead-free ceramics

TG Lee, S Nahm - Transactions on Electrical and Electronic materials, 2019 - Springer
The (Na 1− x K x) NbO 3-based (NKN-based) lead-free piezoelectric ceramics have been
extensively investigated from the beginning of this century to replace the Pb (Zr 1− x Ti x) O 3 …

[HTML][HTML] [001]-texturing of (K, Na) NbO3-based piezoceramics with a pseudocubic structure and their application to piezoelectric devices

SH Go, SJ Park, SH Kim, SJ Chae, EJ Kim, GS Lee… - Journal of …, 2024 - Elsevier
96 (K 0· 5 Na 0.5-z Li z)(Nb 0· 92 Sb 0.08) O 3-0.04 (Ca 0· 5 Sr 0.5) ZrO 3 [(KN 0.5-z L z) NS-
CSZ] piezoceramics (0≤ z≤ 0.04) were aligned in the [001] orientation using 3%(in mole) …

Piezoelectricity of (K, Na)(Nb, Sb) O 3–SrZrO 3 (Bi, Ag) ZrO 3 piezoceramics and their application in planar-type actuators

SH Go, JM Eum, DS Kim, SJ Chae, SW Kim… - Journal of Materials …, 2021 - pubs.rsc.org
A Fe2O3–added 0.96 (K0. 5Na0. 5)(Nb0. 94Sb0. 06)–0.01 SrZrO3–0.03 (BiAg) ZrO3 [KNNS–
0.01 SZ–0.03 BAZ] piezoceramic was well densified at 1090° C. It exhibited a large …

Simultaneous realization of high d33 and large strain in (K, Na, Li)(Nb, Sb) O3-(Ca, Sr) ZrO3 materials and their application in piezoelectric actuators

H Kim, DS Kim, SJ Chae, SH Go, SW Kim, DG Lee… - Ceramics …, 2021 - Elsevier
A pseudocubic-tetragonal-orthorhombic (PC-TO) multi-structure was developed in the 0.96
(K 0.5 Na 0.47 Li 0.03)(Nb 0.92 Sb 0.08) O 3-0.04 (Ca 0.5 Sr 0.5) ZrO 3 [(KN 0.47 L 0.03) NS …

Remarkable piezoelectric performance and good thermal stability of< 001>-textured 0.96 (K0. 5Na0. 5)(Nb1− ySby) O3-0.04 SrZrO3 lead-free piezoelectric ceramics

DS Kim, JM Eum, SH Go, HS Shin, H Kim… - Journal of Alloys and …, 2021 - Elsevier
Abstract A 0.96 (K 0.5 Na 0.5)(Nb 1− y Sb y) O 3-0.04 SrZrO 3 [KN (N 1− y S y)-SZ] thick films
with 0.045≤ y≤ 0.08 were textured along the [001] direction using NaNbO 3 (NN) …

Crystal structure and piezoelectric characteristics of various phases near the triple-point composition in PZ-PT-PNN system

TG Lee, SW Kim, EJ Kim, SJ Lee, HG Hwang… - Journal of the European …, 2020 - Elsevier
Crystal structures and piezoelectric properties of PbZrO 3-PbTiO 3-Pb (Ni 1/3 Nb 2/3) O 3
ceramics near the triple point composition, particularly characteristics of the pseudocubic …

Enhanced piezoelectricity of [001]-textured (K, Na)(Nb, Sb) O 3–(Bi, Ag) ZrO 3 ceramics using Na (Nb 0.9 Sb 0.1) O 3 templates at low temperature

SH Kim, GS Lee, JS Kim, S Kwak, BJ Min… - Journal of Materials …, 2024 - pubs.rsc.org
In this study, 2.0 mol% CuO-added 0.96 (K0. 5Na0. 5)(Nb1− zSbz) O3–0.04 (Bi0. 5Ag0. 5)
ZrO3 [CKN (N1− zSz)–BAZ] piezoceramics (0.0≤ z≤ 0.08) were densified at 980° C without …

Structural and piezoelectric properties of textured NLKNS‐CZ thick films and their application in planar piezoactuator

SJ Chae, DS Kim, H Kim, SH Go… - Journal of the …, 2022 - Wiley Online Library
97 (Na0. 5‐xLixK0. 5)(Nb0. 89Sb0. 11) O3‐0.03 CaZrO3 [(N0. 5‐xLxK)(NS)‐CZ]
piezoceramic (x= 0.325) has a pseudocubic‐tetragonal‐orthorhombic (PC‐T‐O) multi …