A. K. Ramdas

5.5k total citations · 1 hit paper
158 papers, 4.4k citations indexed

About

A. K. Ramdas is a scholar working on Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Materials Chemistry. According to data from OpenAlex, A. K. Ramdas has authored 158 papers receiving a total of 4.4k indexed citations (citations by other indexed papers that have themselves been cited), including 117 papers in Atomic and Molecular Physics, and Optics, 84 papers in Electrical and Electronic Engineering and 80 papers in Materials Chemistry. Recurrent topics in A. K. Ramdas's work include Semiconductor Quantum Structures and Devices (74 papers), Chalcogenide Semiconductor Thin Films (44 papers) and Advanced Semiconductor Detectors and Materials (39 papers). A. K. Ramdas is often cited by papers focused on Semiconductor Quantum Structures and Devices (74 papers), Chalcogenide Semiconductor Thin Films (44 papers) and Advanced Semiconductor Detectors and Materials (39 papers). A. K. Ramdas collaborates with scholars based in United States, India and Germany. A. K. Ramdas's co-authors include S. Rodríguez, I. Miotkowski, M. Grimsditch, S. Venugopalan, P. Fisher, D. U. Bartholomew, R. L. Aggarwal, Heng Fan, A. Onton and A. Petrou and has published in prestigious journals such as Physical Review Letters, Physical review. B, Condensed matter and Applied Physics Letters.

In The Last Decade

A. K. Ramdas

157 papers receiving 4.2k citations

Hit Papers

Spectroscopy of the solid-state analogues of the hydrogen... 1981 2026 1996 2011 1981 100 200 300 400
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. Spectroscopy of the solid-state analogues of the hydrogen atom: donors and acceptors in semiconductors
    1981 422 citations A. K. Ramdas, S. Rodríguez profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
A. K. Ramdas United States 34 2.6k 2.5k 2.3k 498 471 158 4.4k
G. P. Srivastava United Kingdom 32 1.8k 0.7× 2.6k 1.0× 2.5k 1.1× 810 1.6× 982 2.1× 383 5.0k
C. Mailhiot United States 29 2.5k 1.0× 3.5k 1.4× 1.4k 0.6× 164 0.3× 479 1.0× 81 4.7k
P. J. Dean United Kingdom 47 4.4k 1.7× 4.9k 1.9× 3.2k 1.4× 459 0.9× 828 1.8× 137 6.9k
P. G. Baranov Russia 30 2.3k 0.9× 1.2k 0.5× 3.0k 1.3× 691 1.4× 539 1.1× 268 4.1k
R. Del Sole Italy 33 1.5k 0.6× 3.0k 1.2× 1.6k 0.7× 367 0.7× 454 1.0× 152 4.1k
M. V. Klein United States 44 1.6k 0.6× 2.3k 0.9× 2.1k 0.9× 1.2k 2.3× 1.6k 3.5× 154 5.0k
Otfried Madelung Germany 17 2.5k 1.0× 2.2k 0.8× 2.5k 1.1× 570 1.1× 516 1.1× 38 4.6k
S. Rodríguez United States 28 1.2k 0.5× 1.6k 0.6× 1.2k 0.5× 201 0.4× 360 0.8× 108 2.6k
J. A. Van Vechten United States 33 3.7k 1.4× 3.4k 1.4× 3.0k 1.3× 925 1.9× 727 1.5× 105 6.4k
Stephen Fahy Ireland 34 953 0.4× 1.8k 0.7× 1.9k 0.8× 292 0.6× 639 1.4× 119 3.5k

Countries citing papers authored by A. K. Ramdas

Since Specialization
Citations

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

Fields of papers citing papers by A. K. Ramdas

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of A. K. Ramdas

This figure shows the co-authorship network connecting the top 25 collaborators of A. K. Ramdas. A scholar is included among the top collaborators of A. K. Ramdas 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 A. K. Ramdas. A. K. Ramdas 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.
2.
Pekarek, T. M., et al.. (2016). Magnetic properties of the layered III-VI diluted magnetic semiconductor Ga1−xFexTe. AIP Advances. 6(5). 1 indexed citations
3.
Pekarek, T. M., et al.. (2010). Spin-glass ordering in the layered III-VI diluted magnetic semiconductor Ga1−xMnxS. Journal of Applied Physics. 107(9). 7 indexed citations
4.
Lu, Xingyu, et al.. (2007). Raman electron paramagnetic resonance in Zn1-xCrxTe and Cd1-xCrxTe. Physical Review B. 75(15). 1 indexed citations
5.
Miotkowski, I., et al.. (2006). Stoichiometry Driven Impurity Configurations in Compound Semiconductors. Physical Review Letters. 96(3). 35508–35508. 16 indexed citations
6.
Miotkowski, I., et al.. (2005). Resonant electronic Raman scattering in a Van Vleck II-VI diluted magnetic semiconductor:Cd1−xFexTe. Physical Review B. 72(15). 4 indexed citations
7.
Yu, K. M., Junqiao Wu, W. Walukiewicz, et al.. (2001). Band anticrossing in highly mismatched group II-VI semiconductor \nalloys. eScholarship (California Digital Library). 7 indexed citations
8.
Seong, M. J., I. Miotkowski, & A. K. Ramdas. (1999). Isoelectronic impurities in II-VI semiconductors: ZnTe doped with Ca, Sr, and Ba. Physical review. B, Condensed matter. 59(20). 12911–12916. 15 indexed citations
9.
Seong, M. J., et al.. (1999). The anomalous variation of band gap with alloy composition: cation vs anion substitution in ZnTe. Solid State Communications. 112(6). 329–334. 26 indexed citations
10.
Mayur, A. J., et al.. (1995). Local vibrational modes of substitutionalMg2+,Ca2+, andS2−in zinc-blende and wurtzite II-VI semiconductors. Physical review. B, Condensed matter. 51(11). 6971–6978. 21 indexed citations
11.
Rana, R.S., Eunsoon Oh, Kie Hian Chua, A. K. Ramdas, & David D. Nolte. (1994). Magnetophotorefractive effects in diluted magnetic semiconductors: Theory and experiment. Physical review. B, Condensed matter. 49(12). 7941–7951. 3 indexed citations
12.
Thomas, Robert J., Mark S. Boley, H. R. Chandrasekhar, et al.. (1994). Raman and modulated-reflectivity spectra of a strained pseudomorphic ZnTe epilayer on InAs under pressure. Physical review. B, Condensed matter. 49(3). 2181–2184. 15 indexed citations
13.
Udo, M. K., Murielle Villeret, I. Miotkowski, et al.. (1992). Electronic excitations of substitutional transition-metal ions in II-VI semiconductors: CdTe:Fe2+and CdSe:Fe2+. Physical review. B, Condensed matter. 46(12). 7459–7468. 29 indexed citations
14.
Suh, Eun‐Kyung, Akhilesh Arora, A. K. Ramdas, & S. Rodríguez. (1992). Raman scattering from optical phonons and magnetic excitations inCd1−xMnxSe andCd1−xMnxS. Physical review. B, Condensed matter. 45(7). 3360–3365. 17 indexed citations
15.
Ramdas, A. K., et al.. (1988). Energy gap, excitonic, and ‘‘internal’’Mn2+optical transition in Mn-based II-VI diluted magnetic semiconductors. Physical review. B, Condensed matter. 38(15). 10600–10610. 158 indexed citations
16.
Wong, Kam Sing, W. Hayes, J.F. Ryan, & A. K. Ramdas. (1987). Picosecond time-resolved study of the luminescence of Cd1-xMnxTe in magnetic fields. Journal of Physics C Solid State Physics. 20(28). L755–L760. 3 indexed citations
17.
Jagannath, C. & A. K. Ramdas. (1981). Piezospectroscopy of isolated lithium donors and lithium-oxygen donor complexes in silicon. Physical review. B, Condensed matter. 23(9). 4426–4440. 20 indexed citations
18.
Chandrasekhar, H. R., A. K. Ramdas, & S. Rodrı́guez. (1976). Resonant interaction of acceptor states and optical phonons in silicon. Solid State Communications. 18(3). 405–408. 4 indexed citations
19.
Chandrasekhar, H. R., A. K. Ramdas, & Sergio Rodríguez. (1975). Stress-induced mixing of the spin-orbit-split acceptor states of silicon. Physical review. B, Solid state. 12(12). 5780–5789. 17 indexed citations
20.
Ramdas, A. K., et al.. (1972). Excitation Spectra and Piezospectroscopic Effects of Magnesium Donors in Silicon. Physical review. B, Solid state. 5(2). 462–474. 70 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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