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You searched on: Author: Christina Hacker

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1. Modifying spin injection characteristics in the Co/Alq3 system by using a molecular self-assembled monolayer
Published: 5/19/2015
Authors: Hyuk-Jae Jang, Jun-Sik Lee, Sujitra Jeanie Pookpanratana, Ich C. Tran, Curt A Richter, Christina Ann Hacker
Abstract: We present the results of experiments that explore the influence of molecular self-assembled monolayers (SAMs) on characteristics of spin injection into an organic semiconductor, Alq3 [tris-(8-hydroxyquinoline) aluminum] from a ferromagnetic metal, C ...

2. Self-Assembled Monolayers Impact Cobalt Interfacial Structure in Nanoelectronic Junctions
Published: 3/5/2015
Authors: Sujitra Jeanie Pookpanratana, Leigh Lydecker, Curt A Richter, Christina Ann Hacker
Abstract: The formation of molecular monolayers on template-stripped cobalt surfaces is reported. The quality of the alkane-based molecular structure was confirmed through spectroscopic measurements. We find that the self-assembly of bifunctional molecules has ...

3. Attachment of a Reduction-Oxidative Active Diruthenium Compound to Au and Si Surfaces by ,ClickŠ Chemistry
Published: 8/10/2014
Authors: Sujitra Jeanie Pookpanratana, Joseph William Robertson, Curt A Richter, Christina Ann Hacker, Lee J Richter, Julia Savchenko, Steven Cummings, Tong Ren
Abstract: We report the formation of molecular monolayers containing redox-active diruthenium(II,III) compound to gold and silicon surfaces via ,clickŠ chemistry. The use of Cu-catalyzed azide-alkyne cycloaddition enables modular design of molecular surfa ...

4. Interface Engineering to Control Magnetic Field Effects of Organic-Based Devices by Using a Molecular Self-Assembled Monolayer
Published: 6/26/2014
Authors: Hyuk-Jae Jang, Sujitra Jeanie Pookpanratana, Alyssa N. Brigeman, Regis J Kline, James I. Basham, David J Gundlach, Christina Ann Hacker, Oleg A Kirillov, Oana Jurchescu, Curt A Richter
Abstract: Organic semiconductors hold immense promise for the development of a wide range of innovative devices with their excellent electronic and manufacturing characteristics. Of particular interest are non-magnetic organic semiconductors that show unusual ...

5. Highly reproducible and reliable metal/graphene contact by UV-Ozone treatment
Published: 3/17/2014
Authors: wei li, Christina Ann Hacker, Guangjun Cheng, Angela R Hight Walker, Curt A Richter, David J Gundlach, Yiran Liang, boyuan Tian, Xuelei Liang, Lianmao Peng
Abstract: Resist residue from the device fabrication process is a significant source of contamination at the metal/graphene contact interface. Ultraviolet Ozone (UVO) treatment is proven here, by X-ray photoelectron spectroscopy (XPS) and Raman measurement ...

6. UV/Ozone treatment to reduce metal-graphene contact resistance
Published: 5/8/2013
Authors: wei li, Kurt Pernstich, Angela R Hight Walker, Tian T. Shen, Guangjun Cheng, Christina Ann Hacker, Curt A Richter, Qiliang Li, David J Gundlach, Xuelei Liang, Lianmao Peng, Yiran Liang

7. Metrology For Organic Monolayers On Cobalt Surfaces
Published: 3/27/2013
Authors: Sujitra Jeanie Pookpanratana, Leigh Kent Lydecker, Hyuk-Jae Jang, Curt A Richter, Christina Ann Hacker

Published: 1/30/2013
Authors: Sujitra Jeanie Pookpanratana, Joseph William Robertson, Cherno Jaye, Daniel A Fischer, Curt A Richter, Christina Ann Hacker
Abstract: We have used Flip Chip Lamination (FCL) to form monolayer and bilayer molecular junctions of carboxylic acid-containing molecules with Cu atom incorporation. Carboxylic acid-terminated monolayers are self-assembled onto ultrasmooth Au using thiol che ...

9. 2012 Updates to the International Technology Roadmap for Semiconductors (ITRS) Metrology Chapter
Published: 1/1/2013
Authors: Christina Ann Hacker, Alain C. Diebold
Abstract: During 2012, the main emphasis of the Metrology Technical Working Group was to revise the Metrology Technology Requirements Tables and initiate the new text for the 2013 revision of the International Technology Roadmap for Semiconductors (ITRS). The ...

10. Towards clean and crackless transfer of graphene
Published: 1/2/2012
Authors: Xuelei X. Liang, Brent A Sperling, Irene G. Calizo, Guangjun Cheng, Christina Ann Hacker, Qin Q. Zhang, Yaw S Obeng, Kai Yan, Hailin Peng, Qiliang Li, Xiaoxiao Zhu, Hui Yuan, Angela R Hight Walker, Zhongfan Liu, Lianmao Peng, Curt A Richter
Abstract: We present the results of a thorough study of wet chemical methods for transferring chemical vapor deposition grown graphene from the metal growth substrate to a device compatible substrate. Based on these results, we have developed a ,modified RCA c ...

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