Siddha Pimputkar

3.2k total citations · 2 hit papers
30 papers, 2.7k citations indexed

About

Siddha Pimputkar is a scholar working on Condensed Matter Physics, Electrical and Electronic Engineering and Materials Chemistry. According to data from OpenAlex, Siddha Pimputkar has authored 30 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Condensed Matter Physics, 14 papers in Electrical and Electronic Engineering and 11 papers in Materials Chemistry. Recurrent topics in Siddha Pimputkar's work include GaN-based semiconductor devices and materials (22 papers), Semiconductor materials and devices (12 papers) and Ga2O3 and related materials (8 papers). Siddha Pimputkar is often cited by papers focused on GaN-based semiconductor devices and materials (22 papers), Semiconductor materials and devices (12 papers) and Ga2O3 and related materials (8 papers). Siddha Pimputkar collaborates with scholars based in United States, Finland and Japan. Siddha Pimputkar's co-authors include James S. Speck, Shuji Nakamura, Steven P. DenBaars, Sami Suihkonen, Umesh K. Mishra, Nathan Pfaff, Yuji Zhao, Shinichi Tanaka, Daniel Feezell and Robert M. Farrell and has published in prestigious journals such as Angewandte Chemie International Edition, SHILAP Revista de lepidopterología and Applied Physics Letters.

In The Last Decade

Siddha Pimputkar

26 papers receiving 2.6k 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.

Prospects for LED lighting

2009 1.9k citations Siddha Pimputkar, James S. Speck et al. profile →
Development of gallium-nitride-based light-emitting diodes (LEDs) and laser diodes for energy-efficient lighting and displays

2013 361 citations Siddha Pimputkar, James S. Speck et al. profile →

Peers

Siddha Pimputkar

MC

EEE

CMP

EOMM

AMPO

Regina Mueller‐Mach United States

Gerard Harbers Netherlands

Makoto Shiojiri Japan

Shuki Torii Japan

Yuichi Haruyama Japan

Lei Shu China

A. R. Goñi Spain

Swee Tiam Tan Singapore

Tae Geun Kim South Korea

Regina Mueller‐Mach United States

Siddha Pimputkar

2.0k ×1.2

MC

1.7k ×1.3

EEE

1.6k ×1.2

CMP

507 ×0.8

EOMM

734 ×1.6

AMPO

Citations per year, relative to Siddha Pimputkar Siddha Pimputkar (= 1×) peers Regina Mueller‐Mach

Countries citing papers authored by Siddha Pimputkar

Since Specialization

Citations

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

Fields of papers citing papers by Siddha Pimputkar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Siddha Pimputkar. 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 Siddha Pimputkar. The network helps show where Siddha Pimputkar may publish in the future.

Co-authorship network of co-authors of Siddha Pimputkar

This figure shows the co-authorship network connecting the top 25 collaborators of Siddha Pimputkar. A scholar is included among the top collaborators of Siddha Pimputkar 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 Siddha Pimputkar. Siddha Pimputkar 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

1.

Stoddard, Nathan, et al.. (2025). Ammonothermal Growth of Rhombohedral Boron Nitride. physica status solidi (b). 262(12). 2 indexed citations

2.

Stoddard, Nathan, et al.. (2025). Growth of Bulk Hexagonal Boron Nitride from a Lithium Flux. Crystal Growth & Design. 25(18). 7726–7734.

3.

Pimputkar, Siddha, et al.. (2024). Numerical Analysis of a High-Pressure Spatial Chemical Vapor Deposition (HPS-CVD) Reactor for Flow Stability at High Pressures. Crystals. 14(4). 377–377.

4.

Pimputkar, Siddha, et al.. (2024). Computational Fluid Dynamic Analysis of a High-Pressure Spatial Chemical Vapor Deposition (HPS-CVD) Reactor for Flow Stability. Crystals. 14(2). 105–105. 1 indexed citations

5.

Stoddard, Nathan, et al.. (2024). Ammonothermal Crystal Growth of Functional Nitrides for Semiconductor Devices: Status and Potential. Materials. 17(13). 3104–3104. 4 indexed citations

6.

Stoddard, Nathan, et al.. (2023). On the solubility of boron nitride in supercritical ammonia-sodium solutions. Journal of Crystal Growth. 621. 127381–127381. 5 indexed citations

7.

Stoddard, Nathan & Siddha Pimputkar. (2023). Progress in Ammonothermal Crystal Growth of Gallium Nitride from 2017–2023: Process, Defects and Devices. Crystals. 13(7). 1004–1004. 11 indexed citations

8.

Stoddard, Nathan & Siddha Pimputkar. (2023). Prospective view of nitride material synthesis. SHILAP Revista de lepidopterología. 5(6).

9.

Pimputkar, Siddha, et al.. (2022). Properties of Titanium Zirconium Molybdenum Alloy after Exposure to Indium at Elevated Temperatures. Materials. 15(15). 5270–5270. 6 indexed citations

10.

Suihkonen, Sami, Siddha Pimputkar, Sakari Sintonen, & Filip Tuomisto. (2017). Defects in Single Crystalline Ammonothermal Gallium Nitride. Advanced Electronic Materials. 3(6). 44 indexed citations

11.

Pimputkar, Siddha, et al.. (2016). A new system for sodium flux growth of bulk GaN. Part I: System development. Journal of Crystal Growth. 456. 58–66. 19 indexed citations

12.

Sintonen, Sakari, Pyry Kivisaari, Siddha Pimputkar, et al.. (2016). Incorporation and effects of impurities in different growth zones within basic ammonothermal GaN. Journal of Crystal Growth. 456. 43–50. 20 indexed citations

13.

Pimputkar, Siddha, et al.. (2016). On the solubility of gallium nitride in supercritical ammonia–sodium solutions. Journal of Crystal Growth. 456. 5–14. 16 indexed citations

14.

Suihkonen, Sami, Siddha Pimputkar, James S. Speck, & Shuji Nakamura. (2016). Infrared absorption of hydrogen-related defects in ammonothermal GaN. Applied Physics Letters. 108(20). 32 indexed citations

15.

Pimputkar, Siddha, et al.. (2015). Stability of materials in supercritical ammonia solutions. The Journal of Supercritical Fluids. 110. 193–229. 17 indexed citations

16.

Pimputkar, Siddha & Shuji Nakamura. (2015). Decomposition of supercritical ammonia and modeling of supercritical ammonia–nitrogen–hydrogen solutions with applicability toward ammonothermal conditions. The Journal of Supercritical Fluids. 107. 17–30. 24 indexed citations

17.

Pimputkar, Siddha, et al.. (2014). Let There Be Light—With Gallium Nitride: The 2014 Nobel Prize in Physics. Angewandte Chemie International Edition. 53(51). 13978–13980. 41 indexed citations

18.

Pimputkar, Siddha, et al.. (2014). Es werde Licht – mit Galliumnitrid: der Nobelpreis für Physik 2014. Angewandte Chemie. 126(51). 14198–14200. 3 indexed citations

19.

Pimputkar, Siddha, et al.. (2013). Surface morphology study of basic ammonothermal GaN grown on non-polar GaN seed crystals of varying surface orientations from m-plane to a-plane. Journal of Crystal Growth. 368. 67–71. 23 indexed citations

20.

Pimputkar, Siddha. (2012). Ammonothermal Growth of Gallium Nitride. LAP LAMBERT Academic Publishing eBooks. 4 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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