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16. Magnetic Nanostructures and Materials in Magnetic Random Access Memory

Author

Jianbiao Dai, Jinke Tang, Sheng Teng (Victor) Hsu, and Wei Pan

Subjects
Materials science, Biomedical Engineering, Information Storage and Retrieval, Nanotechnology, Bioengineering, Giant magnetoresistance, Electron, Stability (probability), Magnetics, Computer Systems, Electric Impedance, Electrochemistry, General Materials Science, Quantum tunnelling, Spin-½, Miniaturization, Hardware_MEMORYSTRUCTURES, Spintronics, Chemistry, General Medicine, Equipment Design, General Chemistry, Condensed Matter Physics, Engineering physics, Magnetic anisotropy, Exchange bias, Crystallization
Abstract

The advances in magnetic random access memory provide a remarkable showcase for the rapid development and application of nanodevices. Several aspects of state-of-the-art magnetic nanoscience and nanotechnology are developed and utilized in this single device. Current magnetic random access memory design is built upon the discovery and understanding of physics issues such as giant magnetoresistance, spin-dependent tunneling, exchange bias, and magnetic anisotropy in small elements. Successful magnetic random access memory development requires future research in some of the key areas involving nanotechnology. For example, the uniformity of the barrier thickness across the entire device and magnetic switching stability of a nanosized element are challenging issues that lie ahead. The spin degree of freedom of electrons is an added dimension that is both unique and useful in electronic transport and information technology. Nonvolatile, high-density, high-speed, and low-power magnetic random access memory is one of the first examples of the application of spintronics.

Published
2002

19. Morel-Lavallee Lesion of the Right Thigh Mimicking Sarcoma.

Author

Sheng Yeow Teng, Victor, Soon Yiew Sia, Junwei Zhang, Gartner, Louise Elizabeth, Kuttiparambil Unnikrishnan, Puhaindran, Mark Edward, and Decourcy Hallinan, James Thomas Patrick

Subjects
*SARCOMA, *BIOPSY, *BLUNT trauma, *HEMATOMA, *MAGNETIC resonance imaging, *SOFT tissue injuries, *THIGH, *DISEASE complications, *CANCER risk factors, CONNECTIVE tissue tumors
Abstract

The article presents a case study of a 69-yr-old man with right lateral thigh swelling and gradually who had been increasing in size for the past year. Topics discussed his past old experience that caused in thigh laceration from an industrial accident and underwent drainage of a hematoma, highlights the appearances of a complex Morel-Lavallee lesion resulting from a remote thigh laceration, and mentions nondiagnostic biopsy in which only infarcted tissue and fibrous stroma detected.

Published
2019
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20. 3 Questions.

Author

Teng, Victor

Subjects
SCULPTORS
Abstract

An interview with sculptor Victor Teng is presented where he talked about his original project called New York Cow Parade, the people's reaction to it and what the sculpture means to him.

Published
2014

21. Energy transfer and enriched emission spectrum in Cr and Ce co-doped Y3Al5O12 yellow phosphors

Author

Wang, Wendong, Tang, Jinke, Hsu, Sheng Teng (Victor), Wang, Jing, and Sullivan, B. Patrick

Subjects
*ENERGY transfer, *FORCE & energy, *ELECTRICITY, *SPECTRUM analysis
Abstract

Abstract: Ce/Cr co-doped Y3Al5O12 (Ce/Cr:YAG) exhibits enriched emission spectrum in the red region due to a non-radiative energy transfer from the Ce3+(2E) level to Cr3+(4T) level. Excitation spectra collected at Cr3+ red emission show an intense excitation broad band at 458nm confirming the energy transfer, which is responsible for the two orders of magnitude increase in the intensity of the red emission compared to YAG doped with Cr alone. The huge increase in the Cr red emission in Ce/Cr:YAG compared to Cr:YAG suggests that the former is an efficient red and yellow phosphor and has potential in white LEDs and laser applications. [Copyright &y& Elsevier]

Published
2008
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