Google Scholar: https://scholar.google.co.in/citations?user=ttWJubEAAAAJ&hl=en  

ORCID: https://orcid.org/0000-0002-3299-7103  

Research Gate: https://www.researchgate.net/profile/Abhay_Sagade 

Key Publications

• 100 GHz zinc oxide Schottky diodes processed from solution on a wafer scale: D. Georgiadou, J. Semple, Abhay A. Sagade, H. Forstén, P. Rantakari, Yen-Hung Lin, F. Alkhalil, A. Seitkhan, K. Loganathan, H. Faber, Thomas Anthopoulos. Nature Electronics 3 (2020) 718. (News: Nature Device Materials Community, TechXplore)

• Ultra-sensitive Hall-sensor based on graphene encapsulated in hexagonal boron nitride: J. Dauber, Abhay A. Sagade, Martin Oellers, Kenji Watanabe, Takashi Taniguchi, D. Neumaier, C. Stampher. Appl. Phys. Lett. 106 (2015) 193501. (News: NanoWerk, Graphene-info, Nature Index, Nanotechnology Now, Newmaterialsnews.com, Nanotechmag.com, NanoGraphene.org, NanoNet.org)

• Highly air stable passivation of graphene based field effect devices: Abhay A. Sagade*, D. Neumaier, D. Schall, M. Otto, Amaia Pesquera, Alba Centeno, Amaia Zurutuza Elorza, H. Kurz. Nanoscale 7 (2015) 3558. (News: IEEE Spectrum, Nanotechnology Now, NanoWerk, Graphene-info, Controlled Environments, Newelectronics)

• High-mobility field effect transistors based on supramolecular charge transfer nanofibres: Abhay A. Sagade, K. Venkata Rao, U. Mogera, Subi J. George, A. Datta, and G. U. Kulkarni. Adv. Mater. 25 (2013) 559.

• Ultra-fast direct ablative patterning of HOPG by single laser pulses to produce graphene ribbons: Narendra Kurra, Abhay A. Sagade and G. U. Kulkarni. Adv. Funct. Mater. 21 (2011) 3836. (News: Nature India)

All Publications

Patents:

• US 14/124,243 (20140174190 A1) [Granted]: Manufacturing strain sensitive sensors and/or strain resistant conduits from a metal and carbon matrix.

• US 13/599,810 (20140065359 A1): Graphene ribbons and methods for their preparation and use.

• US 14/372,693 (20140379299 A1): A system and a method to detect hydrogen leakage using nano-crystallised palladium gratings.

Books:

• Book Chapter in "Photon-Counting Image Sensors" edited by Eric R. Fossum, Nobukazu Teranishi, Albert Theuwissen, David Stoppa, and Edoardo Charbon. ISBN 978-3-03842-374-4. MDPI 2017.

International peer-reviewed journals:

(* : Corresponding author, # : Equal contribution)

2024

• Selective operation of enhancement and depletion modes of nanoscale field-effect transistors: Abhay A. Sagade*. ACS Appl. Electron. Mater. (2024). [Early Career Forum 2024 Invited Article] (News: Phys.org, Nanowerk)

• Homojunction interface boosts hole-carrier injection in CuI2 nanoribbon p‑type field-effect transistors. Prakash Sarkar, Muhammed Ali A. V., Murali Gedda, Abhay A. Sagade, and K. D. M. Rao. ACS Appl. Electron. Mater. 6 (2024) 1685.

2023

• ALD-grown two-dimensional TiSx metal contacts for MoS2 field-effect transistors: Reyhaneh Mahlouji, Wilhelmus M.M. Kessels, Abhay A. Sagade*, Ageeth A. Bol. Nanoscale Advances 5 (2023) 4718. (News: Phys.org)

2021

• On the contact optimization of ALD-based MoS2 FETs: Correlation of processing conditions and interface chemistry with device electrical performance: Reyhaneh Mahlouji, Yue Zhang, Marcel A. Verheijen, Jan P. Hofmann, Wilhelmus M.M. Kessels, Abhay A. Sagade, Ageeth A. Bol. ACS Appl. Electron. Mater. 3 (2021) 3185.

2020

• 100 GHz zinc oxide Schottky diodes processed from solution on a wafer scale: D. Georgiadou, J. Semple, Abhay A. Sagade, H. Forstén, P. Rantakari, Yen-Hung Lin, F. Alkhalil, A. Seitkhan, K. Loganathan, H. Faber, Thomas Anthopoulos. Nature Electronics 3 (2020) 718.

• Templating effect of single-layer graphene supported by an insulating substrate on the molecular orientation of lead phthalocyanine (Invited article): K Priya Madhuri, Abhay A. Sagade*, Pralay K Santra, Neena S John*. Beilstein Journal of Nanotechnology 11 (2020) 814.

• On the indentation-assisted phase engineered Si for solar applications: Sowjany Mannepalli, Abhay A. Sagade*, Kiran S.R.N.Mangalampalli*. Scripta Materialia (Letter) 184 (2020) 19. (News: Nanowerk)

• A Carbon nanotube-graphene nanoribbon seamless junction transistor: Abhay A. Sagade* and Ameya Nyayadhish. Nanoscale Advances (Communication) 2 (2020) 659.

2018

• Dirac-point shift by carrier injection in graphene field-effect transistor operation at room temperature: S. Lee, A. Nathan, J. A. Alexander-Webber, P. Braeuninger-Weimer, Abhay A. Sagade, H. Lu, D. Hasko, J. Robertson, Stephan Hofmann. ACS Appl. Mater. Interfaces (Letter) 10 (2017) 10618. 

2017

• Engineering the photoresponse of InAs nanowires: J. A. Alexander-Webber, Catherine Groschner, Abhay A. Sagade, G. Tainter, Miguel Gonzalez Zalba, Riccardo Di Pietro, J. Wong-Leung, Hark Tan, Chennupati Jagadish, Stephan Hofmann, Hannah Joyce. ACS Appl. Mater. Interfaces 9 (2017) 43993. 

• Atomic layer deposited oxide films as protective interface layers for integrated graphene transfer: A. Cabrero-Vilatela, J. A. Alexander-Webber, Abhay A Sagade, A. I. Aria, P. Braeuninger-Weimer, M.-B. Martin, R. Weatherup, S. Hofmann. Nanotechnology 48 (2017) 485201. (One of the top 10 most read articles in Nov. 2017 to March 2018)

• Graphene-based nanolaminates as ultra-high permeation barriers: Abhay A. Sagade*, Adrianus I. Aria, Steven Edge, Paolo Melgari, Bjoern Gieseking, Bernhard C. Bayer, Jannik C. Meyer, David Bird, Paul Brewer & Stephan Hofmann. npj 2D Materials and Applications 1 (2017) 35. (News: Nanowerk, Graphene-Info, ScienceVio, Awesome Display) (One of the top 10 most read article in Nov. 2017)

• Low resistive edge contacts to CVD-grown graphene using CMOS compatible metals: S. Mehardad, M. Otto, Abhay A. Sagade, Carlos Chavarin, Wolfgang Mertin, Gerd Bacher, Daniel Neumaier. Annalen der Physik 529 (2017) 1600410 

• Encapsulation of graphene transistors and vertical device integration by interface engineering with atomic layer deposited oxide: J. A. Alexander-Webber, Abhay A. Sagade*, A. I. Aria, Zenas A. Van Veldhoven, P. Braeuninger-Weimer, A. Cabrero-Vilatela, Ruizhi Wang, M.-B. Martin, J. Sui, M. Connolly, S. Hofmann. 2D Materials 4 (2017) 011008. (One of the top 10 most read articles in Dec. 2016, Jan. 2017)

2016

• The parameter space of atomic layer deposition of ultra-thin oxides on graphene: A. I. Aria, Kenichi Nakanishi, Long Xiao, Philipp Braeuninger, Abhay A. Sagade, Jack A. Alexander-Webber, S. Hofmann. ACS Appl. Mater. Interfaces 8 (2016) 30564. 

• Towards a graphene-based low intensity photon counting photodetector: Jamie O. D. Williams, Jack A. Alexander-Webber, Jon S. Lapington, Mervyn Roy, Ian B. Hutchinson, Abhay A. Sagade, Marie-Blandine Martin, Philipp Braeuninger-Weimer, Andrea Cabrero-Vilatela, Ruizhi Wang, S. Hofmann, Andrea De Luca, Florin Udrea. Sensors 16 (2016) 1351. (Invited Review, News: Image Sensor World)

• Electronic properties of CVD graphene: The role of grain boundaries, atmospheric doping and encapsulation by ALD: Zenas A. Van Veldhoven, Jack A. Alexander-Webber, Abhay A. Sagade, Philipp Braeuninger-Weimer and S. Hofmann. Physica Status Solidi b 12 (2016) 2321. (One of the top 10 most read articles in 2016 - 2017)

• Infrared transparent graphene heater for silicon photonic integrated circuits: Daniel Schall, Muhammad Mohsin, Abhay A. Sagade, Martin Otto, Anna Lena Giesecke, Bartos Chmielak, Daniel Neumaier, and Heinrich Kurz. Optics Express 24 (2016) 7871.

• On the origin of contact resistances in graphene devices fabricated by optical lithography: C. A. Chavarin, Abhay A. Sagade, D. Neumaier, G. Bacher, and W. Mertin. Appl. Phys. A 122 (2016) 58.

• Defining switching efficiency of multi-level resistive memory with PdO as example: K. D. M. Rao, Abhay A. Sagade, R. John, T. Pradeep, and G. U. Kulkarni. Adv. Elec. Mater. 2 (2016) 1500286. (News: NanoWerk)

2015

• Experimental verification of electro-refractive phase modulation in graphene: Muhammad Mohsin, Daniel Neumaier, Daniel Schall, Martin Otto, Christopher Matheisen, Anna Lena Giesecke, Abhay A. Sagade and H. Kurz. Sci. Rep. 5 (2015) 10967. 

• A physics based model of gate tunable metal-graphene contact resistance benchmarked against experimental data: F. A. Chaves, D. Jemenez, Abhay A. Sagade, Wonjae Kim, Juha Riikonen, Harri Lipsanen, and D. Neumaier. 2D Materials 2 (2015) 025006. 

• Ultra-sensitive Hall-sensor based on graphene encapsulated in hexagonal boron nitride: J. Dauber, Abhay A. Sagade, Martin Oellers, Kenji Watanabe, Takashi Taniguchi, D. Neumaier, C. Stampher. Appl. Phys. Lett. 106 (2015) 193501. (News: NanoWerk, Graphene-info, Nanotechnology Now, Newmaterialsnews.com, Nanotechmag.com, NanoGraphene.org, NanoNet.org, Nature Index) 

• Highly air stable passivation of graphene based field effect devices: Abhay A. Sagade*, D. Neumaier, D. Schall, M. Otto, Amaia Pesquera, Alba Centeno, Amaia Zurutuza Elorza, H. Kurz. Nanoscale 7 (2015) 3558. (News: IEEE Spectrum, Nanotechnology Now, NanoWerk, Graphene-info, Controlled Environments, Newelectronics) 

2014

• Metal-organic molecular device for non-volatile memory storage: B. Radha, Abhay A. Sagade and G. U. Kulkarni. Appl. Phys. Lett. 105 (2014) 083103. (Highlighted in ‘Nature Index’) 

• Ultrafast response humidity sensor using supramolecular nanofibre and its application in monitoring breath humidity and flow: U. Mogera#, Abhay A. Sagade#, Subi J. George, and G. U. Kulkarni. Sci. Rep. 4 (2014) 4103.

2013

• A charge transfer single crystal field effect transistor operating at low voltages: Abhay A. Sagade, K. Venkata Rao, Subi J. George, A. Datta, and G. U. Kulkarni. Chem. Comm. 49 (2013) 5847. 

• High-mobility field effect transistors based on supramolecular charge transfer nanofibres: Abhay A. Sagade, K. Venkata Rao, U. Mogera, Subi J. George, A. Datta, and G. U. Kulkarni. Adv. Mater. 25 (2013) 559. 

2012

• A low cost optical hydrogen sensing device using nanocrystalline Pd grating: Ritu Gupta, Abhay A. Sagade, and G. U. Kulkarni. Int. J. Hydrogen Energy 37 (2012) 9443. 

2011

• Ultra-fast direct ablative patterning of HOPG by single laser pulses to produce graphene ribbons: Narendra Kurra, Abhay A. Sagade and G. U. Kulkarni. Adv. Funct. Mater. 21 (2011) 3836. (News: Nature India) 

• Dynamic self-assembly of charge-transfer nanofibers of tetrathiafulvalene derivatives with F4TCNQ: Ankit Jain, K. Venkata Rao, Umesha Mogera, Abhay A. Sagade and Subi J. George. Chem. Eur. J. 17 (2011) 12355. 

• Flexible and semi-transparent strain sensors based on micromolded Pd nanoparticle-carbon micro-stripes: B. Radha, Abhay A. Sagade and G. U. Kulkarni. ACS Appl. Mater. Interfaces (Letter) 3 (2011) 2173. 

• Direct micromolding of Pd mirco–stripes for electronic applications: B. Radha, Abhay A. Sagade, R. Gupta and G. U. Kulkarni. J. Nanosci. Nanotech. 11 (2011) 1. 

2010

• Intricate nature of Pd nanocrystal-hydrogen interaction investigated using thermolysed Pd-hexadecylthiolate films: Abhay A. Sagade#, B. Radha# and G. U. Kulkarni. Sens. Actuators B: Chemical 149 (2010) 345. 

Before 2009

• Room temperature electrosynthesis of ZnSe thin films: Y. G. Gudage, N. G. Deshpande, Abhay A. Sagade and Raphal Sharma. J. Alloys and Compounds 488 (2009) 157. [http://doi.org/10.1016/j.jallcom.2008.11.036]

• Effect of high electronic energy loss of 100 MeV gold heavy ions in copper chalcogenide thin films: Opto-electronic properties study: Ramphal Sharma, Abhay A. Sagade, S. R. Gosavi, Y. G. Gudage, Arindam Ghosh, P. Kulariya, I. Sulaniya, Rajaram S. Mane, Sung-Hwan Han. J. Non-cryst. Solids 355 (2009) 1653. [https://doi.org/10.1016/j.jnoncrysol.2009.05.055]

• Effect of substrate on performance of copper sulfide thin film ammonia gas sensor: Abhay A. Sagade, Ramphal Sharma and J. C. Vyas. Sens. Lett. 7 (2009) 550. [https://doi.org/10.1166/sl.2009.1108]

• Modifications of structural, optical and electrical properties of nanocrystalline bismuth sulphide thin films by using swift heavy ions: R. R. Ahire, Abhay A. Sagade, S. D. Chavhan, V. Huse, Y. G. Gudage, F. Singh, D. K. Avasthi, D. M. Phase, Ramphal Sharma. Current Appl. Phys. 9 (2009) 374. [https://doi.org/10.1016/j.cap.2008.03.005]

• Enhancement in sensitivity of copper sulfide ammonia gas sensor: Effect of SHI irradiation: Abhay A. Sagade*, Ramphal Sharma and Indra Sulania. J. Appl. Phys. 105 (2009) 43705. [http://dx.doi.org/10.1063/1.3053350]

• Effect of annealing temperature on ZnO deposited by SILAR: A. Ghosh, N. G. Deshpande, Y. G. Gudage, A. Ghosh, R. Joshi, Abhay A. Sagade, D. M. Phase and Ramphal Sharma. J. Alloys and Compounds 469 (2009) 56. [https://doi.org/10.1016/j.jallcom.2008.02.061]

• Electrical characterization of 100 MeV gold heavy ion irradiated Cu1.4S/Au Schottky barrier diode: Abhay A. Sagade, N. G. Deshpande, Y. G. Gudage, F. Singh, Ramphal Sharma. Radiation Effects and Defects in Solids 164 (2009) 31. [http://dx.doi.org/10.1080/10420150802164321]

• Copper sulphide (CuxS) as an ammonia gas sensor working at room temperature: Abhay A. Sagade and Ramphal Sharma. Sens. Actuators B: Chemical 133 (2008) 135. [https://doi.org/10.1016/j.snb.2008.02.015]

• A comparative study of the physical properties of CdS, Bi2S3 and composite CdS-Bi2S3 thin films for photosensor application: R. R. Ahire, N. G. Deshpande, Y. G. Gudage, Abhay A. Sagade, S. D. Chavhan, D. M. Phase and Ramphal Sharma. Sens. Actuators A: Physical 140 (2007) 207. [https://doi.org/10.1016/j.sna.2007.06.039]

• Structural damages studies in conducting indium-tin oxide (ITO) thin films induced by Au8+ swift heavy ions (SHI) irradiation: N. G. Deshpande, Abhay A. Sagade,  S. D. Chavhan, J. C. Vyas, F. Singh, A. K. Tripathi, D. K. Avasthi, Ramphal Sharma. Vacuum 82 (2007) 39. [https://doi.org/10.1016/j.vacuum.2007.03.004]

• Engineering of nanocrystalline cadmium sulphide thin films by using swift heavy ions: R. R. Ahire, Abhay A. Sagade, N. G. Deshapande, S. D. Chavhan, F. Singh and Ramphal Sharma. J. Physics D: Appl. Phys. 40 (2007) 4850. [https://doi.org/10.1088/0022-3727/40/16/014]

• Photoelectrochemical (PEC) studies on CdSe thin films electrodeposited from non-aqueous bath on different substrates: Y. G. Gudage, N. G. Deshpande, Abhay A. Sagade, R. P. Sharma, S. M. Pawar, C. H. Bhosale Bull. Mater. Sci. 30 (2007) 321. [http://www.ias.ac.in/article/fulltext/boms/030/04/0321-0327]

• Growth and characterization of CdZn(S1-xSex)2 alloy thin film deposited by solution growth technique: S. D. Chavhan, S. V. Bagul, R. R. Ahire, N. G. Deshpande, A. A. Sagade, Y. G. Gudage, Ramphal Sharma. J. Alloys and Compounds 436 (2007) 442. [https://doi.org/10.1016/j.jallcom.2006.09.126]

• Growth and characterization of tin disulphide thin films deposited by successive ionic layer adsorption and reaction (SILAR) technique: N. G. Deshpande, A. A. Sagade, Y. G. Gudage, C. D. Lokhande, Ramphal Sharma. J. Alloys and Compounds 436 (2007) 400. [https://doi.org/10.1016/j.jallcom.2006.12.108]

• Gigantic irradiation effect of 100 MeV Au swift heavy ions on copper sulphide with different chemical compositions: Abhay A. Sagade, N. G. Deshpande, S. D. Chavhan, R. P. Sharma, D. K. Avasthi, F. Singh, A. Tripathi and R. R. Ahire. Radiation Effects and Defects in Solids 162 (2007) 77. [http://dx.doi.org/10.1080/10420150601030525]

Conference proceedings:

• Tunable photoresponse in InAs nanowire photodetectors through surface-state engineering: CLEO 2017, San Jose, California, USA. p. JTh2A.108.

• Working towards graphene-based detectors for high sensitivity photodetection: IEEE Photonics Conference 2016, Hawaii, USA. p. 240.

• Experimental demonstration of electro-refractive phase modulators based on graphene: CLEO 2015, Boston, USA. p. IM4A.1.

• Graphene-based MMIC process development and RF passives design: German Microwave Conference 2015, Nürnberg, Germany. p. 299.

• Integrated graphene high-gain voltage amplifiers and ring oscillators: 4th Graphene Conference 2014, Toulouse, France. p. 89. 

• Evidence of phonon condensers at nanoscale: AIP Proceedings p. 482. ICTOPON 2009, Allahabad, India.

• Interaction between light holes and photons in copper sulphide: 53rd DAE-SSPS 2008, Mumbai, India.

• Chemical composition dependent photoluminescence from nanocrystalline copper sulphide: 52nd DAE-SSPS 2007, Mysore, Karnataka, India.