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Investigating Single Molecule Physics with the Scanning Tunneling Microscope.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Investigating Single Molecule Physics with the Scanning Tunneling Microscope./
作者:	Patel, Calvin Jay.
面頁冊數:	1 online resource (500 pages)
附註:	Source: Dissertation Abstracts International, Volume: 79-02(E), Section: B.
Contained By:	Dissertation Abstracts International79-02B(E).
標題:	Condensed matter physics. -
電子資源:	click for full text (PQDT)
ISBN:	9780355413564

Investigating Single Molecule Physics with the Scanning Tunneling Microscope.
Patel, Calvin Jay.

Investigating Single Molecule Physics with the Scanning Tunneling Microscope. - 1 online resource (500 pages)

Source: Dissertation Abstracts International, Volume: 79-02(E), Section: B.

Thesis (Ph.D.)--University of California, Irvine, 2017.

Includes bibliographical references

Scanning tunneling microscopy (STM) has given the scientific community a method to view, characterize, and manipulate the world at the atomic scale. Thirty years after the Nobel Prize in Physics was awarded for its invention, the remarkable instrument is still being used to deepen our understanding of physical and chemical processes. Tantamount to this has been the development of new techniques to expand its capabilities allowing STMs to answer increasingly more difficult scientific questions. This dissertation describes three technological thrusts in expanding the STMs capabilities in studying physics at the single molecule level.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9780355413564Subjects--Topical Terms:

1148471
Condensed matter physics.
Index Terms--Genre/Form:

554714
Electronic books.

Investigating Single Molecule Physics with the Scanning Tunneling Microscope.
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500 $a Source: Dissertation Abstracts International, Volume: 79-02(E), Section: B.
500 $a Adviser: Wilson Ho.
502 $a Thesis (Ph.D.)--University of California, Irvine, 2017.
504 $a Includes bibliographical references
520 $a Scanning tunneling microscopy (STM) has given the scientific community a method to view, characterize, and manipulate the world at the atomic scale. Thirty years after the Nobel Prize in Physics was awarded for its invention, the remarkable instrument is still being used to deepen our understanding of physical and chemical processes. Tantamount to this has been the development of new techniques to expand its capabilities allowing STMs to answer increasingly more difficult scientific questions. This dissertation describes three technological thrusts in expanding the STMs capabilities in studying physics at the single molecule level.
520 $a First, I have helped developed a new technique called the RF-STM which has the potential to snapshot femtosecond and picosecond processes by locking into the high frequency tunneling component generated from the 80MHz laser pulse train. This technique solves the problem of low frequency thermal oscillations when choppers are used in the beam line and if only tunneling signal is monitored, sub-angstrom spatial resolution should be simultaneously possible.
520 $a Second, I have helped develop the itProbe technique by increasing its ability to map out the interaction potential energy surface (iPES) between a tip-CO molecule and a surface adsorbed molecule. I present a study conducted on the bridge-like 1,4 phenylene diisocyanide molecule where the iPES is probed at different heights and different energies. The result is an ability to 3-dimensionally map out the iPES and provide reliable insight into developing itProbe simulations.
520 $a Third, I have developed a new technique called Energy Resolved Laser Action STM (ERLA-STM) where we can observe the change in molecular dynamics as a function of the illumination wavelength. In our pyrrolidine study, we demonstrated the kinetic changes that occur when an overtone of the CH stretch mode is excited by a near-IR laser pulse. By sweeping the excitation energy, we can characterize and control single molecule switches for use in potential molecular electronics applications.
520 $a All three approaches mentioned above are driven by the goal of understanding chemical processes at the atomic level. Such studies are integral to increasing our fundamental knowledge and providing technological foundations for further development.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
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650 4 $a Physical chemistry. $3 1148725
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710 2 $a University of California, Irvine. $b Physics. $3 1190983
773 0 $t Dissertation Abstracts International $g 79-02B(E).
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