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Transport and optical studies on ind...

Gu, Qian.

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Transport and optical studies on individual nanostructures.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Transport and optical studies on individual nanostructures./
作者:	Gu, Qian.
面頁冊數:	141 p.
附註:	Adviser: Hongkun Park.
Contained By:	Dissertation Abstracts International67-05B.
標題:	Chemistry, Physical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3217744
ISBN:	9780542692611

Transport and optical studies on individual nanostructures.
Gu, Qian.

Transport and optical studies on individual nanostructures. - 141 p.

Adviser: Hongkun Park.

Thesis (Ph.D.)--Harvard University, 2006.

Chapter 1 serves as a brief introduction to the progress and challenges in nanotechnology.

ISBN: 9780542692611Subjects--Topical Terms:

560527
Chemistry, Physical.

Transport and optical studies on individual nanostructures.
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020 $a 9780542692611
035 $a (UnM)AAI3217744
035 $a AAI3217744
040 $a UnM $c UnM
100 1 $a Gu, Qian. $3 1267278
245 1 0 $a Transport and optical studies on individual nanostructures.
300 $a 141 p.
500 $a Adviser: Hongkun Park.
500 $a Source: Dissertation Abstracts International, Volume: 67-05, Section: B, page: 2572.
502 $a Thesis (Ph.D.)--Harvard University, 2006.
520 $a Chapter 1 serves as a brief introduction to the progress and challenges in nanotechnology.
520 $a Chapter 5 presents a vapor transport synthetic method of single crystalline vanadium dioxide nanobeams and tungsten doped vanadium dioxide nanobeams.
520 $a Chapter 7 demonstrates oscillator and inverter functions of simple two-probe devices based on tungsten doped vanadium dioxide nanobeams. These functions are a result of the morphology and material properties of these nanobeams.
520 $a Nanotechnology is considered a very important scientific discipline. It probably will offer tremendous growth opportunities to many industries. Numerous nanostructures showing interesting and practical properties have been synthesized. In order to fully understand and assemble these nanostructures into useful "nano-machines", investigations on individual nanostructures are needed. This thesis will present electron transport studies on individual organic molecules, a new method of fabricating asymmetric junctions to contact individual nanostructures, and synthesis, electrical and optical characterizations on single vanadium dioxide nanobeams.
520 $a Chapter 2 first introduces single charge tunneling theory, and then discusses in detail the fabrication of single molecule transistors. Finally, this chapter presents a novel electrodeposition-based method to fabricate electrode pairs of dissimilar metals with a nanometer-sized gap between them. This electrodeposition-based method prevents cross-contamination of the different metals and enables simultaneous fabrication of multiple electrode pairs in a self-limiting manner.
520 $a Chapter 3 presents electron transport studies on single molecule transistors based on individual ferrocene and nickelocene molecules. These devices show clean Coulomb blockade and energy quantization at liquid helium temperature. Low energy excited states are attributed to ring-torsion and center-of-mass vibrational modes of these molecules.
520 $a Chapter 4 discusses electron transport properties of single molecule transistors based on individual [W6CCl18]n- molecules. Besides Coulomb blockade and energy quantization, these transistors demonstrate that tunneling electrons change the vibrational spectrum of [W 6CCl18]n- molecules and the vibrational modes in turn affect electron tunneling.
520 $a Chapter 6 discusses a combined electrical, scanning probe, and optical characterizations of vanadium dioxide nanobeams. This study reveals that strain significantly alters the metal-insulator phase transition in this material. Phase ordering in the nanobeam is caused by a simple, non-directional adhesion to a substrate because of the nanobeam growth direction and its morphology.
590 $a School code: 0084.
650 4 $a Chemistry, Physical. $3 560527
650 4 $a Physics, Condensed Matter. $3 1018743
690 $a 0494
690 $a 0611
710 2 0 $a Harvard University. $3 528741
773 0 $t Dissertation Abstracts International $g 67-05B.
790 $a 0084
790 1 0 $a Park, Hongkun, $e advisor
791 $a Ph.D.
792 $a 2006
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3217744