Michael L. Free

6.2k total citations · 2 hit papers
183 papers, 4.9k citations indexed

About

Michael L. Free is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Mechanical Engineering. According to data from OpenAlex, Michael L. Free has authored 183 papers receiving a total of 4.9k indexed citations (citations by other indexed papers that have themselves been cited), including 77 papers in Materials Chemistry, 64 papers in Electrical and Electronic Engineering and 62 papers in Mechanical Engineering. Recurrent topics in Michael L. Free's work include Corrosion Behavior and Inhibition (31 papers), Extraction and Separation Processes (27 papers) and Metal Extraction and Bioleaching (27 papers). Michael L. Free is often cited by papers focused on Corrosion Behavior and Inhibition (31 papers), Extraction and Separation Processes (27 papers) and Metal Extraction and Bioleaching (27 papers). Michael L. Free collaborates with scholars based in United States, China and Romania. Michael L. Free's co-authors include Prashant K. Sarswat, Yakun Zhu, Gaosong Yi, Arun Murali, Zhigang Zak Fang, Pei Sun, Richard Woollam, William Durnie, Yang Xia and Ying Zhang and has published in prestigious journals such as SHILAP Revista de lepidopterología, Journal of The Electrochemical Society and Langmuir.

In The Last Decade

Michael L. Free

180 papers receiving 4.7k 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.

Powder metallurgy of titanium – past, present, and future

2017 412 citations Zhigang Zak Fang, Michael L. Free et al. profile →
A review of surfactants as corrosion inhibitors and associated modeling

2017 307 citations Yakun Zhu, Michael L. Free et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Michael L. Free United States	37	2.6k	1.7k	1.1k	725	643	183	4.9k
J. García‐Antón Spain	37	2.8k 1.1×	973 0.6×	930 0.8×	390 0.5×	917 1.4×	187	4.5k
Dennis E. Tallman United States	44	3.0k 1.2×	586 0.3×	1.5k 1.3×	910 1.3×	1.1k 1.7×	141	6.6k
Changfeng Chen China	41	4.0k 1.5×	989 0.6×	1.3k 1.1×	295 0.4×	970 1.5×	134	5.2k
M. Stratmann Germany	42	4.2k 1.6×	943 0.6×	1.4k 1.3×	534 0.7×	1.9k 2.9×	136	6.3k
Lei Peng China	36	1.4k 0.5×	454 0.3×	852 0.8×	627 0.9×	268 0.4×	155	3.2k
Wei Chang China	33	1.9k 0.7×	257 0.2×	1.0k 0.9×	781 1.1×	434 0.7×	129	3.8k
M. Aparicio Spain	38	2.2k 0.9×	435 0.3×	1.3k 1.2×	342 0.5×	497 0.8×	164	4.6k
R. Pérez Mexico	28	1.4k 0.5×	675 0.4×	459 0.4×	580 0.8×	80 0.1×	184	2.8k
Subramania Angaiah India	50	3.4k 1.3×	422 0.3×	4.3k 3.9×	1.3k 1.8×	236 0.4×	200	8.7k
Tao Jin China	41	2.1k 0.8×	3.9k 2.3×	423 0.4×	1.3k 1.7×	109 0.2×	307	6.0k

Countries citing papers authored by Michael L. Free

Since Specialization

Citations

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

Fields of papers citing papers by Michael L. Free

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael L. Free. 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 Michael L. Free. The network helps show where Michael L. Free may publish in the future.

Co-authorship network of co-authors of Michael L. Free

This figure shows the co-authorship network connecting the top 25 collaborators of Michael L. Free. A scholar is included among the top collaborators of Michael L. Free 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 Michael L. Free. Michael L. Free 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

Free, Michael L., et al.. (2025). Field-effect separation of rare earth elements in gelatin-supported media. Hydrometallurgy. 239. 106585–106585.

Li, Bingqin, et al.. (2024). Enhanced lithium separation with Li1.3Al0.3Ti1.7(PO4)3 lithium superionic conductor and aided charge balance. Separation and Purification Technology. 351. 128058–128058. 7 indexed citations

Free, Michael L., et al.. (2024). Exploring the REEs Energy Footprint: Interlocking AI/ML with an Empirical Approach for Analysis of Energy Consumption in REEs Production. Processes. 12(3). 570–570. 2 indexed citations

Honaker, Rick, Joshua Werner, Xinbo Yang, et al.. (2022). SCALED-PRODUCTION OF RARE EARTH OXIDES AND CRITICAL MATERIALS FROM COAL-BASED SOURCES. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 1 indexed citations

Lv, Xiaoshu, Zhiqiang Ning, Zhai Yu-chun, Michael L. Free, & Fuhui Cui. (2021). Extraction of Si from Alkaline-Roasted Boron Ore Concentrate. SHILAP Revista de lepidopterología. 2 indexed citations

Murali, Arun, et al.. (2021). Optimized bioengineered copper recovery from electronic wastes to increase recycling and reduce environmental impact. Journal of Hazardous Materials Advances. 5. 100031–100031. 16 indexed citations

Yi, Gaosong, et al.. (2021). Recent progress on research of molybdenite flotation: A review. Advances in Colloid and Interface Science. 295. 102466–102466. 87 indexed citations

Sarswat, Prashant K., et al.. (2020). Efficient recovery of rare earth elements from coal based resources: a bioleaching approach. Materials Today Chemistry. 16. 100246–100246. 44 indexed citations

Free, Michael L., et al.. (2020). Factors affecting the leaching mechanism of Mg bearing oxide impurities in Hydrogen Assisted Magnesiothermic Reduction (HAMR) of TiO2. Materials Today Chemistry. 16. 100259–100259. 4 indexed citations

10.

Lv, Xiaoshu, Fuhui Cui, Zhiqiang Ning, Michael L. Free, & Zhai Yu-chun. (2019). Mechanism and Kinetics of Ammonium Sulfate Roasting of Boron-Bearing Iron Tailings for Enhanced Metal Extraction. Processes. 7(11). 812–812. 8 indexed citations

11.

Sarswat, Prashant K., et al.. (2019). Synergistic effect of band convergence and carrier transport on enhancing the thermoelectric performance of Ga doped Cu2Te at medium temperatures. Scientific Reports. 9(1). 8180–8180. 21 indexed citations

12.

Chen, Bing, Weizhi Zeng, Jianguang Yang, et al.. (2019). Study of Tin Electrodeposition with Anion Exchange Membrane in Chloride Solution by a Computational Method. Journal of The Electrochemical Society. 166(2). E7–E21. 4 indexed citations

13.

Kumar, Pankaj, Prashant K. Sarswat, & Michael L. Free. (2018). Hybridized Tungsten Oxide Nanostructures for Food Quality Assessment: Fabrication and Performance Evaluation. Scientific Reports. 8(1). 3348–3348. 18 indexed citations

14.

Sarswat, Prashant K., Yogendra Kumar Mishra, & Michael L. Free. (2016). Fabrication and response of alpha-hydroxybutyrate sensors for rapid assessment of cardiometabolic disease risk. Biosensors and Bioelectronics. 89(Pt 1). 334–342. 17 indexed citations

15.

Zeng, Weizhi, Michael L. Free, & Shijie Wang. (2016). Simulation Study of Electrolyte Flow and Slime Particle Transport in a Newly Designed Copper Electrorefining Cell. ECS Meeting Abstracts. MA2016-01(21). 1142–1142. 1 indexed citations

16.

Zhu, Yakun & Michael L. Free. (2015). Mixed-surfactant aggregation, adsorption, and associated steel corrosion inhibition in salt solution. International Journal of Corrosion and Scale Inhibition. 4(4). 311–327. 6 indexed citations

17.

Rodchanarowan, Aphichart & Michael L. Free. (2012). The Influence of Organic Additives on Surface Microroughness of Copper Deposits from Cuprous Solution under Potentiostatic Conditions. MATERIALS TRANSACTIONS. 53(9). 1695–1698. 8 indexed citations

18.

Free, Michael L., et al.. (2003). The importance of temperature and viscosity effects for surfactant adsorption measurements made using the electrochemical quartz crystal microbalance. Journal of Colloid and Interface Science. 264(2). 402–406. 18 indexed citations

19.

Free, Michael L.. (2002). Development and Application of Useful Equations to Predict Corrosion Inhibition by Different Surfactants in Various Aqueous Environments. CORROSION. 58(12). 1025–1030. 37 indexed citations

20.

Oei, Tian P. S., et al.. (1994). The Relationship Between Irrational Beliefs and Depressed Mood in Clinically Depressed Outpatients. Queensland's institutional digital repository (The University of Queensland). 37(4). 219–226. 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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