K. Ramanathan

6.8k total citations · 3 hit papers
138 papers, 5.8k citations indexed

About

K. Ramanathan is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, K. Ramanathan has authored 138 papers receiving a total of 5.8k indexed citations (citations by other indexed papers that have themselves been cited), including 126 papers in Electrical and Electronic Engineering, 113 papers in Materials Chemistry and 31 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in K. Ramanathan's work include Chalcogenide Semiconductor Thin Films (121 papers), Quantum Dots Synthesis And Properties (105 papers) and Copper-based nanomaterials and applications (56 papers). K. Ramanathan is often cited by papers focused on Chalcogenide Semiconductor Thin Films (121 papers), Quantum Dots Synthesis And Properties (105 papers) and Copper-based nanomaterials and applications (56 papers). K. Ramanathan collaborates with scholars based in United States, Germany and Singapore. K. Ramanathan's co-authors include R. Noufi, Miguel Á. Contreras, Falah S. Hasoon, Brian Egaas, J. Keane, David L. Young, A. B. Swartzlander, J. AbuShama, J. Hiltner and M.J. Romero and has published in prestigious journals such as Applied Physics Letters, Journal of Applied Physics and Journal of The Electrochemical Society.

In The Last Decade

K. Ramanathan

130 papers receiving 5.5k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Progress toward 20% efficiency in Cu(In,Ga)Se2 polycrystalline thin-film solar cells

1999 919 citations Miguel Á. Contreras, Brian Egaas et al. Progress in Photovoltaics Research and Applications profile →
Properties of 19.2% efficiency ZnO/CdS/CuInGaSe₂thin‐film solar cells

2003 840 citations K. Ramanathan, Miguel Á. Contreras et al. Progress in Photovoltaics Research and Applications profile →
SHORT COMMUNICATION: ACCELERATED PUBLICATION: Diode characteristics in state-of-the-art ZnO/CdS/Cu(In1?xGax)Se2 solar cells

2005 511 citations Miguel Á. Contreras, K. Ramanathan et al. Progress in Photovoltaics Research and Applications profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
K. Ramanathan United States	33	5.5k	5.1k	1.1k	171	152	138	5.8k
Falah S. Hasoon United States	26	4.5k 0.8×	4.2k 0.8×	977 0.9×	191 1.1×	132 0.9×	93	4.8k
Dimitrios Hariskos Germany	37	8.2k 1.5×	7.7k 1.5×	1.7k 1.5×	159 0.9×	182 1.2×	128	8.4k
William N. Shafarman United States	36	5.8k 1.1×	5.3k 1.0×	1.4k 1.2×	122 0.7×	161 1.1×	195	6.2k
Susanne Siebentritt Luxembourg	51	9.1k 1.7×	8.8k 1.7×	2.2k 1.9×	209 1.2×	237 1.6×	261	9.6k
Charlotte Platzer‐Björkman Sweden	39	5.5k 1.0×	5.5k 1.1×	880 0.8×	85 0.5×	185 1.2×	138	5.8k
Shogo Ishizuka Japan	33	3.1k 0.6×	3.6k 0.7×	634 0.6×	101 0.6×	181 1.2×	174	4.0k
Nicolas Barreau France	33	3.3k 0.6×	3.1k 0.6×	758 0.7×	163 1.0×	269 1.8×	181	3.6k
Víctor Izquierdo‐Roca Spain	53	8.4k 1.5×	8.2k 1.6×	1.3k 1.1×	155 0.9×	257 1.7×	204	8.7k
Sylvain Marsillac United States	34	2.9k 0.5×	2.7k 0.5×	487 0.4×	153 0.9×	179 1.2×	198	3.3k
I. M. Dharmadasa United Kingdom	37	3.4k 0.6×	2.9k 0.6×	912 0.8×	225 1.3×	260 1.7×	150	3.8k

Countries citing papers authored by K. Ramanathan

Since Specialization

Citations

This map shows the geographic impact of K. Ramanathan's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by K. Ramanathan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites K. Ramanathan more than expected).

Fields of papers citing papers by K. Ramanathan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by K. Ramanathan. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by K. Ramanathan. The network helps show where K. Ramanathan may publish in the future.

Co-authorship network of co-authors of K. Ramanathan

This figure shows the co-authorship network connecting the top 25 collaborators of K. Ramanathan. A scholar is included among the top collaborators of K. Ramanathan based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with K. Ramanathan. K. Ramanathan is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Gupta, Vivek & K. Ramanathan. (2024). Extracorporeal Membrane Oxygenation Assisted Cardiac Interventions. Indian Journal of Cardiovascular Disease in Women. 9. 176–184.

Tan, Ying Kiat, et al.. (2023). Systematic review of first-in-human and early phase clinical trials for surgically implantable biological mitral valve substitutes. Journal of Cardiothoracic Surgery. 18(1). 348–348.

Li, Jian V., Lorelle M. Mansfield, Brian Egaas, & K. Ramanathan. (2018). Electrical properties of CdS/Cu(In,Ga)Se₂ interface. Japanese Journal of Applied Physics. 57(8). 85701–85701. 1 indexed citations

Mansfield, Lorelle M., et al.. (2016). Low-Cd CIGS Solar Cells Made With a Hybrid CdS/Zn(O,S) Buffer Layer. IEEE Journal of Photovoltaics. 7(1). 281–285. 20 indexed citations

Muzzillo, Christopher P., et al.. (2016). Photovoltaic properties of selenized CuGa/In films with varied compositions. 47. 2236–2241. 2 indexed citations

Mansfield, Lorelle M., Darius Kuciauskas, P. Dippo, et al.. (2015). Optoelectronic investigation of Sb-doped Cu(In,Ga)Se2. 1–4. 3 indexed citations

Subramanian, N. Sankara, et al.. (2013). Influence of Deposition Temperature on the Structural and Optoelectronic Properties of CdZnS Thin Films. Advanced materials research. 699. 606–611. 5 indexed citations

Ramanathan, K., R. N. Bhattacharya, Miguel Á. Contreras, et al.. (2005). High Performance CIGS Thin-Film Solar Cells: A Laboratory Perspective. University of North Texas Digital Library (University of North Texas). 2 indexed citations

Smith, Steven J., R. G. Dhere, T. A. Gessert, et al.. (2005). Sub-micron Optoelectronic Properties of Polycrystalline Solar Cell Materials. MRS Proceedings. 865. 3 indexed citations

10.

Jiang, Chun‐Sheng, R. Noufi, K. Ramanathan, et al.. (2004). Does the local built-in potential on grain boundaries of Cu(In,Ga)Se2 thin films benefit photovoltaic performance of the device?. Applied Physics Letters. 85(13). 2625–2627. 128 indexed citations

11.

Johnson, Pamela, et al.. (2003). Interface properties of CIGS(s)/buffer layers formed by the Cd-partial electrolyte process. 764–767. 3 indexed citations

12.

Romero, M.J., et al.. (2003). Cathodoluminescence of Cu(In,Ga)Se2 thin films used in high-efficiency solar cells. Applied Physics Letters. 83(23). 4770–4772. 71 indexed citations

13.

Ramanathan, K., Miguel Á. Contreras, Craig L. Perkins, et al.. (2003). Properties of 19.2% efficiency ZnO/CdS/CuInGaSe₂thin‐film solar cells. Progress in Photovoltaics Research and Applications. 11(4). 225–230. 840 indexed citations breakdown →

14.

Contreras, Miguel Á., Brian Egaas, K. Ramanathan, et al.. (1999). Progress toward 20% efficiency in Cu(In,Ga)Se2 polycrystalline thin‐film solar cells. Progress in Photovoltaics Research and Applications. 7(4). 311–316. 26 indexed citations

15.

Webb, J.D., J. Keane, Lynn Gedvilas, et al.. (1999). Spectroscopic analysis of impurity precipitates in CdS films. AIP conference proceedings. 524–530. 1 indexed citations

16.

Bhattacharya, R. N., W. Batchelor, H. Wiesner, et al.. (1998). 14.1% CuIn1 − x Ga x Se2‐Based Photovoltaic Cells from Electrodeposited Precursors. Journal of The Electrochemical Society. 145(10). 3435–3440. 34 indexed citations

17.

Ramanathan, K., R. Noufi, Jennifer E Granata, J.D. Webb, & J. Keane. (1998). Prospects for in situ junction formation in CuInSe2 based solar cells. Solar Energy Materials and Solar Cells. 55(1-2). 15–22. 47 indexed citations

18.

Bhattacharya, R. N., H. Wiesner, R. Matson, et al.. (1997). 12.3% Efficient CuIn1 − x Ga x Se2‐Based Device from Electrodeposited Precursor. Journal of The Electrochemical Society. 144(4). 1376–1379. 44 indexed citations

19.

Bhattacharya, R. N., Arturo Fernández, Miguel Á. Contreras, et al.. (1996). Electrodeposition of In‐Se, Cu‐Se, and Cu‐In‐Se Thin Films. Journal of The Electrochemical Society. 143(3). 854–858. 45 indexed citations

20.

Tuttle, John R., Andrew M. Gabor, Miguel Á. Contreras, et al.. (1996). Absorber processing issues in high-efficiency, thin-film Cu(In,Ga)Se2-based solar cells. AIP conference proceedings. 353. 47–58. 3 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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