J.A. Varela

15.2k total citations · 1 hit paper
403 papers, 13.1k citations indexed

About

J.A. Varela is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Biomedical Engineering. According to data from OpenAlex, J.A. Varela has authored 403 papers receiving a total of 13.1k indexed citations (citations by other indexed papers that have themselves been cited), including 336 papers in Materials Chemistry, 234 papers in Electrical and Electronic Engineering and 55 papers in Biomedical Engineering. Recurrent topics in J.A. Varela's work include Ferroelectric and Piezoelectric Materials (200 papers), Microwave Dielectric Ceramics Synthesis (146 papers) and Luminescence Properties of Advanced Materials (54 papers). J.A. Varela is often cited by papers focused on Ferroelectric and Piezoelectric Materials (200 papers), Microwave Dielectric Ceramics Synthesis (146 papers) and Luminescence Properties of Advanced Materials (54 papers). J.A. Varela collaborates with scholars based in Brazil, Spain and Serbia. J.A. Varela's co-authors include E. Longo, L.S. Cavalcante, A.Z. Simões, Paulo R. Bueno, P.S. Pizani, E. R. Leite, J.C. Sczancoski, Juán Andrés, V. M. Longo and Máximo Siu Li and has published in prestigious journals such as SHILAP Revista de lepidopterología, Applied Physics Letters and Journal of Applied Physics.

In The Last Decade

J.A. Varela

392 papers receiving 12.7k citations

Hit Papers

Patient Satisfaction with Healthcare Services and the Tec... 2023 2026 2024 2025 2023 40 80 120
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.

  1. Patient Satisfaction with Healthcare Services and the Techniques Used for its Assessment: A Systematic Literature Review and a Bibliometric Analysis
    2023 121 citations Diogo Cunha Ferreira, Inês Vieira et al. Healthcare profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
J.A. Varela Brazil 61 10.9k 6.8k 2.8k 1.8k 1.5k 403 13.1k
Wei‐Qiang Han China 64 7.6k 0.7× 7.3k 1.1× 3.1k 1.1× 1.3k 0.7× 1.3k 0.8× 216 13.2k
Bin Zhu China 71 14.0k 1.3× 8.4k 1.2× 3.4k 1.2× 4.1k 2.3× 1.8k 1.2× 480 17.6k
A. K. Tyagi India 62 11.9k 1.1× 4.1k 0.6× 3.6k 1.3× 1.8k 1.0× 1.4k 0.9× 596 15.2k
Victor V. Atuchin∥⊥ Russia 65 11.0k 1.0× 6.7k 1.0× 3.8k 1.4× 1.7k 0.9× 789 0.5× 384 13.8k
Hua Yang China 53 6.8k 0.6× 4.4k 0.7× 3.5k 1.3× 4.3k 2.4× 1.5k 1.0× 395 11.5k
Chengchun Tang China 71 16.6k 1.5× 4.5k 0.7× 2.9k 1.0× 3.2k 1.8× 3.1k 2.0× 479 21.2k
Zewei Quan China 63 9.7k 0.9× 5.8k 0.9× 1.8k 0.7× 2.6k 1.4× 1.7k 1.1× 200 12.6k
Kaibin Tang China 51 6.3k 0.6× 5.2k 0.8× 2.0k 0.7× 2.5k 1.4× 811 0.5× 274 9.3k
Kalyan Kumar Chattopadhyay India 57 9.9k 0.9× 6.7k 1.0× 2.5k 0.9× 2.9k 1.6× 1.8k 1.2× 550 13.8k
Guorong Chen China 63 7.6k 0.7× 6.2k 0.9× 2.6k 0.9× 1.1k 0.6× 2.2k 1.4× 506 14.6k

Countries citing papers authored by J.A. Varela

Since Specialization
Citations

This map shows the geographic impact of J.A. Varela'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 J.A. Varela with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J.A. Varela more than expected).

Fields of papers citing papers by J.A. Varela

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J.A. Varela. 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 J.A. Varela. The network helps show where J.A. Varela may publish in the future.

Co-authorship network of co-authors of J.A. Varela

This figure shows the co-authorship network connecting the top 25 collaborators of J.A. Varela. A scholar is included among the top collaborators of J.A. Varela 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 J.A. Varela. J.A. Varela is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Irfan, Mohammad, et al.. (2024). Business Sustainability, Social Enablement, ESG, and Ethics: A Systematic Biliometric Review. Revista de Gestão Social e Ambiental. 18(8). e06822–e06822. 1 indexed citations
2.
Rodrigues, Rosa, et al.. (2023). Q-Sort: A Blended Methodology Applied to a Personality Inventory. 21(1). 31–42.
3.
Ferreira, Diogo Cunha, Inês Vieira, Maria Isabel Pedro, Paulo Caldas, & J.A. Varela. (2023). Patient Satisfaction with Healthcare Services and the Techniques Used for its Assessment: A Systematic Literature Review and a Bibliometric Analysis. Healthcare. 11(5). 639–639. 121 indexed citations breakdown →
4.
Rodrigues, Rosa, et al.. (2022). Q-sort Methodology - the systematic study of participant viewpoints in Social Research. 21(1). 221–226. 1 indexed citations
5.
6.
Manupati, Vijaya Kumar, et al.. (2018). AN ANALYSIS OF THE IMPACT OF UTAUT PREDICTORS ON THE INTENTION AND USAGE OF ELECTRONIC HEALTH RECORDS AND TELEMEDICINE FROM THE PERSPECTIVE OF CLINICAL STAFFS. International Journal of Mechatronics and Applied Mechanics. 1(4). 4 indexed citations
7.
Varela, J.A., et al.. (2014). GLOBAL UNIVERSITY ENVIRONMENT – WHICH MARKETING STRATEGIES?. INTED2014 Proceedings. 3086–3094. 1 indexed citations
8.
Longo, E., et al.. (2013). Synthesis and characterization of lead zirconate titanate (PZT) obtained by two chemical methods. Ceramics International. 40(1). 1717–1722. 30 indexed citations
9.
Cilense, M., M.A. Ramírez, C.R. Foschini, et al.. (2012). Effect of Seed Addition on SnO 2 ‐Based Varistors for Low Voltage Application. Journal of the American Ceramic Society. 96(2). 524–530. 16 indexed citations
10.
Moura, F., E.C. Aguiar, E. Longo, J.A. Varela, & A.Z. Simões. (2011). Dielectric properties of soft chemical method derived CaCu3Ti4O12 thin films onto Pt/TiO2/Si(100) substrates. Journal of Alloys and Compounds. 509(9). 3817–3821. 26 indexed citations
11.
Longo, V. M., A.Z. Simões, Ieda L. V. Rosa, et al.. (2010). On the photoluminescence behavior of samarium-doped strontium titanate nanostructures under UV light. A structural and electronic understanding. Physical Chemistry Chemical Physics. 12(27). 7566–7566. 79 indexed citations
12.
Longo, V. M., Alberthmeiry T. de Figueiredo, R. Franco, et al.. (2009). Photoluminescence in quasi-amorphous Pb0.8X0.2Zr0.53Ti0.47O3 (X = Ca, Sr and Ba) powders: An optical and structural study. Chemical Physics Letters. 475(1-3). 96–100. 5 indexed citations
13.
Góes, Márcio Sousa, J.A. Varela, C.O. Paiva-Santos, B.D. Stojanović, & André Vitor Chaves de Andrade. (2008). Rietveld analysis of mechanically activated BaCO 3 –TiO 2 system. Powder Diffraction. 23(S1). S13–S17. 1 indexed citations
14.
Materón, Elsa M., et al.. (2008). Electrical relaxation in proton conductor composites based on (NH4)H2PO4/TiO2. Ionics. 15(3). 329–336. 12 indexed citations
15.
Lazarević, Zorica, B.D. Stojanović, C.O. Paiva-Santos, N. Romčević, & J.A. Varela. (2007). Characterization of bismuth titanate ceramics derived by mechanochemical synthesis. Science of Sintering. 39(3). 267–272. 2 indexed citations
16.
Orhan, Emmanuelle, F. M. Pontes, C. D. Pinheiro, et al.. (2005). Theoretical and experimental study of the relation between photoluminescence and structural disorder in barium and strontium titanate thin films. Journal of the European Ceramic Society. 25(12). 2337–2340. 21 indexed citations
17.
Rangel, José Hilton Gomes, Neftalí Lênin Villarreal Carreño, Edson R. Leite, et al.. (2002). Photoluminescence in amorphous (PbLa)TiO3 thin films deposited on different substrates. Journal of Luminescence. 99(1). 7–12. 4 indexed citations
18.
Varela, J.A.. (1999). Francisco Solano López: « el héroe máximo de la nación paraguaya ». Caravelle. 72(1). 57–71.
19.
Paiva-Santos, C.O., et al.. (1999). GAUSS-LORENTZ SIZE-STRAIN BROADENING AND CELL PARAMETERS ANALYSIS OF Mn DOPED SnO2 PREPARED BY ORGANIC ROUTE. 13 indexed citations
20.
Varela, J.A., Maria G. Miguel, António L. Maçanita, Hugh D. Burrows, & Ralph S. Becker. (1995). .beta.-Carboline Photosensitizers. 3. Studies on Ground and Excited State Partitioning in AOT/Water/Cyclohexane Microemulsions. The Journal of Physical Chemistry. 99(43). 16093–16100. 44 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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