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Studying interactions of gas molecul...

Anand, Aman.

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Studying interactions of gas molecules with nanomaterials loaded in a microwave resonant cavity.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Studying interactions of gas molecules with nanomaterials loaded in a microwave resonant cavity./
作者:	Anand, Aman.
面頁冊數:	151 p.
附註:	Adviser: J. A. Roberts.
Contained By:	Dissertation Abstracts International68-11B.
標題:	Physics, Condensed Matter. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3288238
ISBN:	9780549313595

Studying interactions of gas molecules with nanomaterials loaded in a microwave resonant cavity.
Anand, Aman.

Studying interactions of gas molecules with nanomaterials loaded in a microwave resonant cavity. - 151 p.

Adviser: J. A. Roberts.

Thesis (Ph.D.)--University of North Texas, 2007.

A resonant cavity operating in TE011 mode was used to study the adsorption response of single walled carbon nanotubes (SWCNTs) and other nanomaterials for different types of gas molecules. The range of the frequency signal as a probe was chosen as geometry dependent range between 9.1-9.8 GHz. A highly specific range can be studied for further experiments dependent on the type of molecule being investigated. It was found that for different pressures of gases and for different types of nanomaterials, there was a different response in the shifts of the probe signal for each cycle of gassing and degassing of the cavity. This dissertation suggests that microwave spectroscopy of a complex medium of gases and carbon nanotubes can be used as a highly sensitive technique to determine the complex dielectric response of different polar as well as non-polar gases when subjected to intense electromagnetic fields within the cavity. Also, as part of the experimental work, a range of other micro-porous materials was tested using the residual gas analysis (RGA) technique to determine their intrinsic absorption/adsorption characteristics when under an ultra-high vacuum environment. The scientific results obtained from this investigation, led to the development of a chemical biological sensor prototype. The method proposed is to develop operational sensors to detect toxin gases for homeland security applications and also develop sniffers to detect toxin drugs for law enforcement agency personnel.

ISBN: 9780549313595Subjects--Topical Terms:

1018743
Physics, Condensed Matter.

Studying interactions of gas molecules with nanomaterials loaded in a microwave resonant cavity.
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