K. D. Keefer

3.3k total citations · 3 hit papers
38 papers, 2.7k citations indexed

About

K. D. Keefer is a scholar working on Materials Chemistry, Condensed Matter Physics and Ceramics and Composites. According to data from OpenAlex, K. D. Keefer has authored 38 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Materials Chemistry, 11 papers in Condensed Matter Physics and 7 papers in Ceramics and Composites. Recurrent topics in K. D. Keefer's work include Theoretical and Computational Physics (9 papers), Mesoporous Materials and Catalysis (7 papers) and Glass properties and applications (6 papers). K. D. Keefer is often cited by papers focused on Theoretical and Computational Physics (9 papers), Mesoporous Materials and Catalysis (7 papers) and Glass properties and applications (6 papers). K. D. Keefer collaborates with scholars based in United States. K. D. Keefer's co-authors include Dale W. Schaefer, C.S. Ashley, C.J. Brinker, Terry L. Aselage, C. Jeffrey Brinker, Bruce D. Kay, Roger A. Assink, B.H.W.S. de Jong, Gordon E. Brown and Amit Singhal and has published in prestigious journals such as Journal of the American Chemical Society, Physical Review Letters and The Journal of Chemical Physics.

In The Last Decade

K. D. Keefer

36 papers receiving 2.5k 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.

Sol-gel transition in simple silicates

1982 539 citations C.J. Brinker, K. D. Keefer et al. Journal of Non-Crystalline Solids profile →
Sol-gel transition in simple silicates II

1984 539 citations C. Jeffrey Brinker, K. D. Keefer et al. Journal of Non-Crystalline Solids profile →
Structure of Random Porous Materials: Silica Aerogel

1986 398 citations Dale W. Schaefer, K. D. Keefer profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
K. D. Keefer United States	20	1.6k	734	518	433	267	38	2.7k
J. Phalippou France	37	2.7k 1.7×	2.2k 3.0×	214 0.4×	1.2k 2.7×	462 1.7×	139	4.2k
W.S. Howells United Kingdom	34	2.4k 1.5×	299 0.4×	249 0.5×	1.0k 2.4×	302 1.1×	174	3.9k
L.W. Hrubesh United States	21	1.2k 0.8×	1.0k 1.4×	116 0.2×	128 0.3×	283 1.1×	41	2.0k
T. W. Żerda United States	36	2.7k 1.7×	559 0.8×	121 0.2×	682 1.6×	780 2.9×	133	4.3k
D. Michel Germany	25	2.3k 1.4×	1.2k 1.7×	126 0.2×	407 0.9×	405 1.5×	197	3.7k
Gina L. Hoatson United States	24	2.5k 1.6×	2.0k 2.7×	318 0.6×	775 1.8×	308 1.2×	63	5.0k
Toshiya Otomo Japan	33	1.9k 1.2×	244 0.3×	577 1.1×	363 0.8×	321 1.2×	225	4.0k
Shigeharu Kittaka Japan	27	1.5k 1.0×	287 0.4×	133 0.3×	122 0.3×	557 2.1×	110	2.6k
H. Ernst Germany	30	1.1k 0.7×	722 1.0×	125 0.2×	102 0.2×	196 0.7×	92	2.5k
C. Alba‐Simionesco France	17	1.3k 0.8×	118 0.2×	253 0.5×	306 0.7×	435 1.6×	32	1.7k

Countries citing papers authored by K. D. Keefer

Since Specialization

Citations

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

Fields of papers citing papers by K. D. Keefer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of K. D. Keefer

This figure shows the co-authorship network connecting the top 25 collaborators of K. D. Keefer. A scholar is included among the top collaborators of K. D. Keefer 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 K. D. Keefer. K. D. Keefer 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

Keefer, K. D.. (2023). Glass ceramic toughened with tetragonal zirconia. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information).

Thevuthasan, Suntharampillai, David E. McCready, Weilin Jiang, et al.. (2000). Ion beam analysis of interface reactions in magnetite and maghemite thin films. Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms. 161-163. 510–514. 6 indexed citations

Omotowa, Bamidele A., K. D. Keefer, Robert L. Kirchmeier, & Jean’ne M. Shreeve. (1999). Preparation and Characterization of Nonpolar Fluorinated Carbosilane Dendrimers by APcI Mass Spectrometry and Small-Angle X-ray Scattering. Journal of the American Chemical Society. 121(48). 11130–11138. 22 indexed citations

Singhal, Amit, Gregory Beaucage, Michael T. Harris, et al.. (1999). Structure and growth kinetics of zirconium hydrous polymers in organic solutions. Journal of Non-Crystalline Solids. 246(3). 197–208. 8 indexed citations

McCready, David E., M. Lou Balmer, & K. D. Keefer. (1997). Experimental and calculated X-ray powder diffraction data for cesium titanium silicate, CsTiSi ₂ O _6.5 : A new zeolite. Powder Diffraction. 12(1). 40–46. 18 indexed citations

Singhal, Amit & K. D. Keefer. (1994). A study of aluminum speciation in aluminum chloride solutions by small angle x-ray scattering and ²⁷Al NMR. Journal of materials research/Pratt's guide to venture capital sources. 9(8). 1973–1983. 36 indexed citations

Aselage, Terry L. & K. D. Keefer. (1988). Liquidus relations in Y–Ba–Cu oxides. Journal of materials research/Pratt's guide to venture capital sources. 3(6). 1279–1291. 229 indexed citations

Aselage, Terry L. & K. D. Keefer. (1988). Fifth DOE Information Meeting on High Tc Superconductors Explores Effects of Microstructure. MRS Bulletin. 13(4). 4–7. 1 indexed citations

Schaefer, Dale W., J. P. Wilcoxon, K. D. Keefer, et al.. (1987). Origin of porosity in synthetic materials. AIP conference proceedings. 154. 63–80. 13 indexed citations

10.

Keefer, K. D.. (1987). Growth and Fractal Structure of Ceramic Precursors. MRS Bulletin. 12(7). 29–33.

11.

Keefer, K. D.. (1986). Growth and Structure of Fractally Rough Silica Colloids. MRS Proceedings. 73. 19 indexed citations

12.

Martin, James E. & K. D. Keefer. (1985). Regular random fractals and the n-parameter model. Journal of Physics A Mathematical and General. 18(10). L625–L631. 22 indexed citations

13.

Brinker, C. Jeffrey, K. D. Keefer, Dale W. Schaefer, et al.. (1984). Sol-gel transition in simple silicates II. Journal of Non-Crystalline Solids. 63(1-2). 45–59. 539 indexed citations breakdown →

14.

Schaefer, Dale W. & K. D. Keefer. (1984). Structure of Soluble Silicates. MRS Proceedings. 32. 38 indexed citations

15.

Brinker, C.J., et al.. (1984). Part H. Basic investigations on hydrolysis, condensation and densification H SOL-GEL TRANSITION IN SIMPLE SILICATES II *. 1 indexed citations

16.

Brinker, C.J., K. D. Keefer, Dale W. Schaefer, & C.S. Ashley. (1982). Sol-gel transition in simple silicates. Journal of Non-Crystalline Solids. 48(1). 47–64. 539 indexed citations breakdown →

17.

Jong, B.H.W.S. de, et al.. (1981). Polymerization of silicate and aluminate tetrahedra in glasses, melts, and aqueous solutions—III. Local silicon environments and internal nucleation in silicate glasses. Geochimica et Cosmochimica Acta. 45(8). 1291–1308. 53 indexed citations

18.

Keefer, K. D., Michael F. Hochella, & B.H.W.S. de Jong. (1981). The structure of the magnesium hydroxide sulfate hydrate MgSO₄.1/3Mg(OH)₂.1/3H₂O. Acta Crystallographica Section B. 37(5). 1003–1006. 28 indexed citations

19.

Keefer, K. D. & Gordon E. Brown. (1978). Crystal structures and compositions of sanidine and high albite in cryptoperthitic intergrowth. American Mineralogist. 63. 1264–1273. 16 indexed citations

20.

Williams, Jack M., et al.. (1975). A neutron diffraction study of structural changes in one-dimensional K2Pt(CN)4Br0.3 · 3H2O from 77–323°K. Solid State Communications. 17(1). 45–48. 17 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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