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Measurement of the Ferromagnetic Resonance of a Single Micron Dot by Using a Vector Network Analyzer
Kazuto Yamanoi,Takashi Manago,Satoshi Yakata,Takashi Kimura 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.63 No.3
The ferromagnetic resonance of a single micron-scale dot of permalloy was measured by using avector network analyzer. The resonant frequency shifted to higher frequency with increasing aspectratio of the sample. This tendency was remarkable for narrower width samples, especially the1-µm-width dots. This means that the demagnetization effect of thin films for the ferromagneticresonance becomes large when the sample width is less than 1 µm. The resonant frequency canbe largely controlled by changing the sample width for a thin film with a width of less than 1 µm,which is a favorable characteristics for various microwave applications.
야마노이 미키오(Mikio Yamanoi),곽태수(Tae-Soo Kwak),정종교(Jong-Kyo Jung) 한국기계가공학회 2012 한국기계가공학회지 Vol.11 No.3
This study is focused on simulation technology in injection molding process for plastic optic lenses. The CAE program, 3D-TIMON<SUP>TM</SUP> is used for the injection molding simulation with O-PET resin material. The design for different gate shape and runner layout has been under review by CAE simulation results. Moreover, the prediction of birefringence and polarized light in injection molded optic lenses has been tested by the CAE Program. The simulation results have been expected to effectively use in the design of injection molding mould.
Ikuo Konishi,Kaoru Abiko,Takuma Hayashi,Koji Yamanoi,Ryusuke Murakami,Ken Yamaguchi,Junzo Hamanishi,Tsukasa Baba,Noriomi Matsumura,Masaki Mandai,Kyoto Study Group for Ovarian Cancer Research 대한부인종양학회 2022 Journal of Gynecologic Oncology Vol.33 No.5
Epithelial ovarian cancer remains the lethal gynecological malignancy in women. The representative histotype is high-grade serous carcinoma (HGSC), and most patients with HGSC present at advanced stages with peritoneal dissemination. Since the peritoneal dissemination is the most important factor for poor prognosis of the patients, complete exploration for its molecular mechanisms is mandatory. In this narrative review, being based on the clinical, pathologic, and genomic findings of HGSC, chromosomal instability and epigenetic dynamics have been discussed as the potential drivers for cancer development in the fallopian tube, acquisition of cancer stem cell (CSC)-like properties, and peritoneal metastasis of HGSC. The natural history of carcinogenesis with clonal evolution, and adaptation to microenvironment of peritoneal dissemination of HGSC should be targeted in the novel development of strategies for prevention, early detection, and precision treatment for patients with HGSC.
Melvin John F. Empizo,Kohei Yamanoi,Kazuhito Fukuda,Ren Arita,Yuki Minami,Toshihiko Shimizu,Nobuhiko Sarukura,Tsuguo Fukuda,Alexandra B. Santos-Putungan,Ray M. Vargas,Arnel A. Salvador,Roland V. Sarma 한양대학교 세라믹연구소 2015 Journal of Ceramic Processing Research Vol.16 No.1
Photoluminescence properties of bulk and microstructured ZnO crystals are investigated for potential scintillator applications. A bulk crystal is prepared by hydrothermal method, while hexagonal micron-sized crystals are prepared by aqueous chemical growth and carbothermal reduction methods. The bulk sample exhibits UV emission only, while the microstructured samples exhibit both UV and visible emissions. The ZnO microstructures have faster near-band edge emission lifetimes of 100 to 800 ps compared to 440 ps and 2 ns of bulk ZnO. No direct correlation between the defect-related emissions and the near-band edge emission has been observed. ZnO microstructures with fast luminescence lifetimes have promising applications as EUV lithography and XFELs scintillators.