Ferroelectric properties of heteroepitaxial PbTiO3 and PbZr1–xTixO3 films on Nb-doped SrTiO3 fabricated by hydrothermal epitaxy below Curie temperature

Autor: Si-Kyung Choi, WS Ahn, SH Han, HC Lee

Publikováno v: Journal of Materials Research. 22:1037-1042

PbTiO3 (PTO) and PbZr1-xTixO3 (PZT) films on a (100) Nb-doped SrTiO3 (NSTO) substrate were fabricated at 160 and 210 °C, respectively, by hydrothermal epitaxy below the Curie temperature, TC. The PTO capacitor had a square hysteresis curve compared

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5190467492986059f432c0e51f9fb83
https://doi.org/10.1557/jmr.2007.0122

Retention loss behaviors in heteroepitaxial ferroelectric film with a +c monodomain fabricated by hydrothermal epitaxy below T[sub c]

Autor: WS Ahn, Si-Kyung Choi, SH Ahn

Publikováno v: Journal of Applied Physics. 100:114118

We observed the retention loss of dot domains (36nm diameter) and square domains with sizes of 1 and 25μm2 that were reversed by applying an electric field at an atomic force microscopy (AFM) conductive tip on a heteroepitaxial PbTiO3 thin film with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6dd35c382fd4331877e510a310fb9fc7
https://doi.org/10.1063/1.2369664

Switchable single c-domain formation in a heteroepitaxial PbTiO3 thin film on a (001) Nb–SrTiO3 substrate fabricated by means of hydrothermal epitaxy

Autor: WS Ahn, HC Lee, Si-Kyung Choi, WW Jung, SH Ahn

Publikováno v: Applied Physics Letters. 86:252901

We used hydrothermal epitaxy to fabricate a heteroepitaxial PbTiO3 (PTO) thin film on a Nb-doped (001) cubic SrTiO3 (NSTO) substrate while avoiding the phase transition. By means of transmission electron microscopy and piezoresponse force microscopy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af49a3022c5d595faa5e1c5713a7873a
https://doi.org/10.1063/1.1951061

Development of Haploid Plants by Shed-Microspore Culture in Platycodon grandiflorum (Jacq.) A. DC.

Autor: Ahn WS; Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea.; Department of Bioenergy Science and Technology, Chonnam National University, Gwangju 61186, Republic of Korea., Huh YC; Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea., Kim CA; Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea., Park WT; Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea., Kim JH; Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea., Jeong JT; Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea., Hur M; Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea., Lee J; Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea., Moon YH; Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea., Ahn SJ; Department of Bioenergy Science and Technology, Chonnam National University, Gwangju 61186, Republic of Korea., Kim TI; Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Republic of Korea.

Publikováno v: Plants (Basel, Switzerland) [Plants (Basel)] 2024 Oct 11; Vol. 13 (20). Date of Electronic Publication: 2024 Oct 11.

Comparison of skin dose in IMRT and VMAT with TrueBeam and Halcyon linear accelerator for whole breast irradiation.

Autor: Seok JH; Department of Integrative Medicine, Yonsei University College of Medicine, Seoul, Korea.; Medical Physics and Biomedical Engineering Lab (MPBEL), Yonsei University College of Medicine, Seoul, Korea., Ahn SH; Ewha Medical Research Institute, Ewha Womans University College of Medicine, Seoul, Korea. mpsohyun@gmail.com.; Ewha Medical Artifical Intelligence Research Institute, Ewha Womans University College of Medicine, Seoul, Korea. mpsohyun@gmail.com., Ahn WS; Department of Radiation Oncology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea. anidol@ulsan.ac.kr., Choi DH; Medical Physics and Biomedical Engineering Lab (MPBEL), Yonsei University College of Medicine, Seoul, Korea.; Department of Medicine, Yonsei University College of Medicine, Seoul, Korea., Shin SS; Department of Radiation Oncology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea., Choi W; Department of Radiation Oncology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea., Jung IH; Department of Radiation Oncology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Korea., Lee R; Department of Biomedical Engineering, Ewha Womans University, Seoul, Korea.; Ewha Medical Artifical Intelligence Research Institute, Ewha Womans University College of Medicine, Seoul, Korea., Kim JS; Medical Physics and Biomedical Engineering Lab (MPBEL), Yonsei University College of Medicine, Seoul, Korea.; Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Korea.

Publikováno v: Physical and engineering sciences in medicine [Phys Eng Sci Med] 2024 Jun; Vol. 47 (2), pp. 443-451. Date of Electronic Publication: 2024 Jan 15.