Cryogenic Ultrahigh Vacuum Scanning Tunneling Microscopy PDF Download
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Author:
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Languages : en
Pages : 6
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Book Description
This report describes recent progress towards the development of a variable temperature cryogenic UHV-STM. The transition from STM-based nanolithography and the loss of a good graduate student (to Stanford) has slowed this project. However, a part-time postdoc has been hired and a new student is being recruited. The apparatus is now essentially complete as a stand alone system, and the testing sequence has begun.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
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Book Description
This report describes recent progress towards the development of a variable temperature cryogenic UHV-STM. The transition from STM-based nanolithography and the loss of a good graduate student (to Stanford) has slowed this project. However, a part-time postdoc has been hired and a new student is being recruited. The apparatus is now essentially complete as a stand alone system, and the testing sequence has begun.
Author: Edward Thomas Foley
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ISBN:
Category :
Languages : en
Pages : 196
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Author: Lee E. Harrell
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ISBN:
Category : Scanning tunneling microscopy
Languages : en
Pages : 228
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Author: Tomoko Shimizu
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Category :
Languages : en
Pages : 160
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Author:
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Category :
Languages : en
Pages : 22
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Book Description
To expand the capabilities of the microwave frequency alternating current scanning tunneling microscope to include the ability to study isolated adsorbates and highly reactive surfaces, we have developed a low temperature, ultrahigh vacuum alternating current scanning tunneling microscope. In this alternating current scanning tunneling microscope, we employ the reliable beetle-style sample approach mechanism with a number of other components unique to a low temperature scanning tunneling microscope. These include the sample transfer, delivery, retrieval, storage, sputtering, and heating systems. This alternating current scanning tunneling microscope has been operated at 77K and 4K.
Author: Andreas Hirstein
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ISBN:
Category :
Languages : en
Pages : 97
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Book Description
![An ultra high vacuum low temperature scanning tunneling microscope and its applications to high Tc [subscript c] superconductors and quasi one-dimensional organic conductors PDF](https://books.google.com/books/content/images/frontcover/uZbUpwAACAAJ?fife=w80-h100)
Author: Shuheng Pan
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ISBN:
Category : Microscopy
Languages : en
Pages : 350
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Author: Kendal Clark
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ISBN:
Category : Cyromicroscopy
Languages : en
Pages : 50
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Author: Ashley R. Gans-Forrest
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Category :
Languages : en
Pages : 61
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Author:
Publisher:
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Category :
Languages : en
Pages :
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Book Description
The authors present the design and first results of a low-temperature, ultrahigh vacuum scanning probe microscope enabling atomic resolution imaging in both scanning tunneling microscopy (STM) and noncontact atomic force microscopy (NC-AFM) modes. A tuning-fork-based sensor provides flexibility in selecting probe tip materials, which can be either metallic or nonmetallic. When choosing a conducting tip and sample, simultaneous STM/NC-AFM data acquisition is possible. Noticeable characteristics that distinguish this setup from similar systems providing simultaneous STM/NC-AFM capabilities are its combination of relative compactness (on-top bath cryostat needs no pit), in situ exchange of tip and sample at low temperatures, short turnaround times, modest helium consumption, and unrestricted access from dedicated flanges. The latter permits not only the optical surveillance of the tip during approach but also the direct deposition of molecules or atoms on either tip or sample while they remain cold. Atomic corrugations as low as 1 pm could successfully be resolved. In addition, lateral drifts rates of below 15 pm/h allow long-term data acquisition series and the recording of site-specific spectroscopy maps. Results obtained on Cu(111) and graphite illustrate the microscope's performance.
