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1. Role of avoided crossing and weak value amplification on enhanced Faraday effect in magnetoplasmonic systems

Author

Jeeban K. Nayak, Shyamal Guchhait, Ankit K. Singh, and Nirmalya Ghosh

Subjects
Astrophysics, QB460-466, Physics, QC1-999
Abstract

The Faraday effect describes the rotation of polarised light when exposed to a magnetic field projected along the direction of the light source. Here, the authors investigate the enhancement of this phenomenon in a magneto-plasmonic nanostructure and clarify the underlying physical mechanisms.

Published
2021
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2. Stability of plasma‐enhanced atomic layer deposited barrier films in biological solutions

Author

Ankit K. Singh, Katarina Adstedt, Tianxin Miao, Julie Champion, Preet M. Singh, and Samuel Graham

Subjects
atomic layer deposition, biological solutions, stability, ultrathin barrier films, Engineering (General). Civil engineering (General), TA1-2040, Electronic computers. Computer science, QA75.5-76.95
Abstract

Abstract The applicability of atomic layer deposited (ALD) metal oxides as protective, encapsulating barriers for bioimplants and wearable technology is tested by determining the corrosion resistance of the films. Al2O3, HfO2, TiO2, and ZrO2 are deposited at 100°C and prove to be cytocompatible through MTT cell proliferation assay measurements. Electrochemical impedance spectroscopy (EIS) measurements are conducted in phosphate buffered saline (PBS) solution, and simulated saliva and sweat solutions for 21 days using a three‐electrode setup. The resulting data demonstrates the mechanism of material degradation through equivalent electrical circuits fits. Of the metal oxides tested, HfO2, TiO2, and ZrO2 are established as viable options for protective coatings by exhibiting enhanced corrosion resistance in three biological environments. ALD TiO2 is most stable in PBS solution, while ALD ZrO2 is most stable in the simulated saliva and sweat solutions.

Published
2021
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4. Contributors

Author

Haseen Ahmed, null Apoorva, Ravi K. Asthana, Azizullah Azizullah, Rajnish Bharti, Paula Barjona do Nascimento Coutinho, Avinash K. Chaurasia, Soyeon Choi, Somenath Das, Lineu Fernando del Ciampo, Stephen Depuydt, N.K. Dubey, Gilmar Sidnei Erzinger, Veer Singh Gautam, Amit Gupta, Donat-P. Häder, Taejun Han, Jyoti Jaiswal, null Jalaluddin, Vinod K. Kannaujiya, Sk Riyazat Khadim, Ravindra N. Kharwar, Geonhee Kim, Youngdo Kim, Marijana Kosanić, Akshay Kumar, Arvind Kumar, Deepak Kumar, Dharmendra Kumar, Neha Kumari, Puja Kumari, Ajjo Kumari, null Laxmi, Hojun Lee, Pamela Caroline Lopes, Javier Martínez-Abaigar, Fernando Martins de Albuquerque, Priyanka Maurya, Sonal Mishra, Abhishek Mohanta, Jay Hind Nishad, Encarnación Núñez-Olivera, Shashi Pandey-Rai, K.D. Pandey, Abha Pandey, Lalit K. Pandey, Jihae Park, Arun Kumar Patel, Jainendra Pathak, Bhanu Prakash, Rodolfo Coelho Prates, Krishna Kumar Rai, Sanjay Kumar Rai, null Rajneesh, Branislav Ranković, Kriti Shrinet, Ankit K. Singh, Arti Singh, Monika Singh, Prabhakar Singh, Prashant R. Singh, Prem Pratap Singh, Ritika K. Singh, Urmilesh Singh, Vidya Singh, Rajeshwar P. Sinha, Nishi Srivastava, Sebastian M. Strauch, Nadia Taimur, Deepika Tripathi, Alok Tripathi, null Vandana, Daiane Vicente, Xiaojie Wang, Monika Yadav, and Sofia Cieslak Zimath

Published
2021

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