Brett Ammundsen

2.0k total citations · 1 hit paper
28 papers, 1.8k citations indexed

About

Brett Ammundsen is a scholar working on Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials and Materials Chemistry. According to data from OpenAlex, Brett Ammundsen has authored 28 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Electrical and Electronic Engineering, 13 papers in Electronic, Optical and Magnetic Materials and 13 papers in Materials Chemistry. Recurrent topics in Brett Ammundsen's work include Advancements in Battery Materials (21 papers), Advanced Battery Materials and Technologies (10 papers) and Extraction and Separation Processes (5 papers). Brett Ammundsen is often cited by papers focused on Advancements in Battery Materials (21 papers), Advanced Battery Materials and Technologies (10 papers) and Extraction and Separation Processes (5 papers). Brett Ammundsen collaborates with scholars based in France, New Zealand and United States. Brett Ammundsen's co-authors include Jens Paulsen, Jacqués Rozière, Gary R. Burns, Deborah J. Jones, Hirofumi Kanoh, M. Saiful Islam, M. Saïful Islam, Clare P. Grey, Young Joo Lee and Jacques Rozière and has published in prestigious journals such as Advanced Materials, Chemistry of Materials and The Journal of Physical Chemistry B.

In The Last Decade

Brett Ammundsen

28 papers receiving 1.8k citations

Hit Papers

Novel Lithium-Ion Cathode Materials Based on Layered Mang... 2001 2026 2009 2017 2001 100 200 300 400 500
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. Novel Lithium-Ion Cathode Materials Based on Layered Manganese Oxides
    2001 535 citations Brett Ammundsen, Jens Paulsen Advanced Materials profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Brett Ammundsen France 15 1.5k 648 511 428 264 28 1.8k
Yanning Song United States 12 995 0.7× 375 0.6× 350 0.7× 294 0.7× 287 1.1× 21 1.4k
Henri Groult France 23 1.8k 1.2× 506 0.8× 602 1.2× 382 0.9× 528 2.0× 69 2.3k
Hideyuki Noguchi Japan 29 2.3k 1.5× 845 1.3× 540 1.1× 572 1.3× 647 2.5× 84 2.6k
R.M. Rojas Spain 25 1.3k 0.8× 593 0.9× 838 1.6× 226 0.5× 227 0.9× 76 1.9k
Călin Wurm France 17 2.1k 1.4× 608 0.9× 290 0.6× 430 1.0× 772 2.9× 23 2.3k
Hiromasa Shiiba Japan 18 1.6k 1.1× 406 0.6× 578 1.1× 242 0.6× 384 1.5× 33 1.9k
Sangryun Kim Japan 27 2.7k 1.8× 763 1.2× 788 1.5× 263 0.6× 672 2.5× 49 3.0k
Rosalind J. Gummow South Africa 18 3.6k 2.3× 1.1k 1.6× 735 1.4× 740 1.7× 903 3.4× 34 3.8k
Götz Schuck Germany 21 1.3k 0.9× 533 0.8× 447 0.9× 249 0.6× 299 1.1× 53 1.7k
Genki Kobayashi Japan 20 1.1k 0.7× 327 0.5× 685 1.3× 291 0.7× 321 1.2× 60 1.7k

Countries citing papers authored by Brett Ammundsen

Since Specialization
Citations

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

Fields of papers citing papers by Brett Ammundsen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Brett Ammundsen

This figure shows the co-authorship network connecting the top 25 collaborators of Brett Ammundsen. A scholar is included among the top collaborators of Brett Ammundsen 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 Brett Ammundsen. Brett Ammundsen 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.
Aitchison, Phillip, Brett Ammundsen, Jacqués Rozière, Gary R. Burns, & Deborah J. Jones. (2004). Local structure and lithium-proton ion exchange in Li1.33−x/3CoxMn1.67−2x/3O4 spinels. Solid State Ionics. 176(7-8). 813–821. 11 indexed citations
2.
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4.
Ammundsen, Brett, Jens Paulsen, Isobel Davidson, et al.. (2002). Local Structure and First Cycle Redox Mechanism of Layered Li[sub 1.2]Cr[sub 0.4]Mn[sub 0.4]O[sub 2] Cathode Material. Journal of The Electrochemical Society. 149(4). A431–A431. 159 indexed citations
5.
Zhang, Deliang, Georgius A. Adam, & Brett Ammundsen. (2002). Phase formation during mechanical alloying and subsequent low-temperature heat treatment of Al–27.4at%Fe–28.7at%C powders. Journal of Alloys and Compounds. 340(1-2). 226–230. 6 indexed citations
6.
Ammundsen, Brett & Jens Paulsen. (2001). ChemInform Abstract: Novel Lithium‐Ion Cathode Materials Based on Layered Manganese Oxides. ChemInform. 32(35). 3 indexed citations
7.
Ammundsen, Brett & Jens Paulsen. (2001). Novel Lithium-Ion Cathode Materials Based on Layered Manganese Oxides. Advanced Materials. 13(12-13). 943–956. 535 indexed citations breakdown →
8.
Ammundsen, Brett, Johann Desilvestro, David Hassell, et al.. (2000). Formation and Structural Properties of Layered LiMnO[sub 2] Cathode Materials. Journal of The Electrochemical Society. 147(11). 4078–4078. 122 indexed citations
9.
Aitchison, Phillip, Brett Ammundsen, A.M.T. Bell, et al.. (2000). Proton insertion in spinel lithium manganates and the effect of manganese substitution. Physica B Condensed Matter. 276-278. 847–848. 7 indexed citations
10.
Metson, James B., et al.. (1999). Surface and bulk composition of lithium manganese oxides. Surface and Interface Analysis. 27(12). 1064–1068. 40 indexed citations
11.
Ammundsen, Brett, Gary R. Burns, M. Saiful Islam, Hirofumi Kanoh, & Jacqués Rozière. (1999). Lattice Dynamics and Vibrational Spectra of Lithium Manganese Oxides:  A Computer Simulation and Spectroscopic Study. The Journal of Physical Chemistry B. 103(25). 5175–5180. 239 indexed citations
12.
Ammundsen, Brett, M. Saïful Islam, Deborah J. Jones, & Jacqués Rozière. (1999). Local structure and defect chemistry of substituted lithium manganate spinels: X-ray absorption and computer simulation studies. Journal of Power Sources. 81-82. 500–504. 17 indexed citations
13.
Ammundsen, Brett, Johann Desilvestro, David Hassell, et al.. (1999). Solid State Synthesis and Properties of Doped LiMnO2 Cathode Materials. MRS Proceedings. 575. 5 indexed citations
14.
Ammundsen, Brett, Deborah J. Jones, Jacqués Rozière, & F. Villain. (1998). Effect of Chromium Substitution on the Local Structure and Insertion Chemistry of Spinel Lithium Manganates:  Investigation by X-ray Absorption Fine Structure Spectroscopy. The Journal of Physical Chemistry B. 102(41). 7939–7948. 39 indexed citations
15.
Ammundsen, Brett, Deborah J. Jones, Jacqués Rozière, et al.. (1998). Ion Exchange in Manganese Dioxide Spinel:  Proton, Deuteron, and Lithium Sites Determined from Neutron Powder Diffraction Data. Chemistry of Materials. 10(6). 1680–1687. 68 indexed citations
16.
Ammundsen, Brett, M. Saiful Islam, Deborah J. Jones, & Jacqués Rozière. (1998). Computer Modelling of Lithium and Proton Intercalation in Spinel Lithium Manganates: Effect of Octahedral Vacancies. Molecular crystals and liquid crystals science technology. Section A, Molecular crystals and liquid crystals. 311(1). 109–114. 2 indexed citations
17.
Ammundsen, Brett, Deborah J. Jones, Jacques Rozière, & Gary R. Burns. (1997). Nanoscale Control of the Morphology of Lithium Manganate and Silica Composites Using Self-Organized Sol−Gel Media. Chemistry of Materials. 9(12). 3236–3246. 10 indexed citations
18.
Ammundsen, Brett, Deborah J. Jones, & Jacqués Rozière. (1997). Structural and Chemical Effects of Lithium Extraction in Spinel Manganese Oxides. Journal de Physique IV (Proceedings). 7(C2). C2–1257. 1 indexed citations
19.
Ammundsen, Brett, Deborah J. Jones, Jacqués Rozière, & Gary R. Burns. (1996). Effect of Chemical Extraction of Lithium on the Local Structure of Spinel Lithium Manganese Oxides Determined by X-ray Absorption Spectroscopy. Chemistry of Materials. 8(12). 2799–2808. 91 indexed citations
20.
Ammundsen, Brett, Gary R. Burns, Ali Amran, & Stig E. Friberg. (1995). A study of the formation of silica-supported mixed magnesium-manganese spinel oxides from multicomponent gels. Journal of Sol-Gel Science and Technology. 4(1). 23–29. 1 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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