J.H.N. Loubser

1.8k total citations · 1 hit paper
35 papers, 1.3k citations indexed

About

J.H.N. Loubser is a scholar working on Materials Chemistry, Geophysics and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, J.H.N. Loubser has authored 35 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Materials Chemistry, 14 papers in Geophysics and 10 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in J.H.N. Loubser's work include Diamond and Carbon-based Materials Research (15 papers), High-pressure geophysics and materials (14 papers) and Archaeology and Rock Art Studies (8 papers). J.H.N. Loubser is often cited by papers focused on Diamond and Carbon-based Materials Research (15 papers), High-pressure geophysics and materials (14 papers) and Archaeology and Rock Art Studies (8 papers). J.H.N. Loubser collaborates with scholars based in South Africa and United States. J.H.N. Loubser's co-authors include J.A. Van Wyk, P. Thaddeus, Lawrence C. Krisher, F. A. Raal, H. B. Dyer, L. A. Balona, Adrian C. Wright, C. H. Townes, J M Baker and Mark E. Newton and has published in prestigious journals such as Nature, The Journal of Chemical Physics and Reports on Progress in Physics.

In The Last Decade

J.H.N. Loubser

35 papers receiving 1.2k 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.

Electron spin resonance in the study of diamond

1978 439 citations J.H.N. Loubser, J.A. Van Wyk profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J.H.N. Loubser South Africa	16	820	483	442	233	225	35	1.3k
R. S. Preston United States	20	359 0.4×	571 1.2×	54 0.1×	92 0.4×	66 0.3×	42	1.4k
J.‐B. Suck Germany	26	1.3k 1.6×	589 1.2×	358 0.8×	40 0.2×	107 0.5×	120	1.9k
G. Coddens France	21	1.1k 1.4×	386 0.8×	121 0.3×	49 0.2×	99 0.4×	67	1.4k
P. Tikkanen Finland	17	169 0.2×	920 1.9×	47 0.1×	206 0.9×	185 0.8×	60	2.2k
I. S. Anderson France	25	679 0.8×	719 1.5×	210 0.5×	151 0.6×	197 0.9×	88	1.7k
D. Schmitt France	33	702 0.9×	679 1.4×	243 0.5×	64 0.3×	47 0.2×	216	4.2k
William V. Smith United States	17	667 0.8×	508 1.1×	261 0.6×	273 1.2×	323 1.4×	54	1.3k
J. Hammann France	31	1.1k 1.3×	709 1.5×	182 0.4×	115 0.5×	21 0.1×	132	3.0k
E. Vincent France	31	1.4k 1.8×	645 1.3×	73 0.2×	96 0.4×	26 0.1×	91	3.0k
R. J. Borg United States	19	605 0.7×	426 0.9×	157 0.4×	79 0.3×	39 0.2×	50	1.5k

Countries citing papers authored by J.H.N. Loubser

Since Specialization

Citations

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

Fields of papers citing papers by J.H.N. Loubser

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J.H.N. Loubser. 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 J.H.N. Loubser. The network helps show where J.H.N. Loubser may publish in the future.

Co-authorship network of co-authors of J.H.N. Loubser

This figure shows the co-authorship network connecting the top 25 collaborators of J.H.N. Loubser. A scholar is included among the top collaborators of J.H.N. Loubser 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 J.H.N. Loubser. J.H.N. Loubser 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.

Loubser, J.H.N.. (1993). Ndondondwane: the significance of features and finds from a ninth-century site on the lower Thukela River, Natal. 5(10). 109–151. 28 indexed citations

2.

Miller, Duncan, et al.. (1993). ELECTRON SPIN RESONANCE THERMOMETRY APPLIED TO QUARTZITE COBBLES FROM VERGELEGEN SLAVE LODGE, SOMERSET WEST, SOUTH AFRICA. Archaeometry. 35(1). 1–9. 12 indexed citations

3.

Wyk, J.A. Van, J.H.N. Loubser, Mark E. Newton, & J M Baker. (1992). ENDOR and high-temperature EPR of the N3 centre in natural type Ib diamonds. Journal of Physics Condensed Matter. 4(10). 2651–2662. 27 indexed citations

4.

Loubser, J.H.N.. (1992). Materials used by Bushmen to make rock paintings. 1992(42). 16–17. 1 indexed citations

5.

Jacobson, L., et al.. (1991). Pixe Analysis of Pre-European Pottery from the Northern Transvaal and Its Relevance to the Distribution of Ceramic Styles, Social Interaction and Change. The South African Archaeological Bulletin. 46(153). 19–19. 8 indexed citations

6.

Loubser, J.H.N.. (1990). Oral traditions, archaeology and the history of Venda Mitupo. African Studies. 49(2). 13–42. 3 indexed citations

7.

Loubser, J.H.N.. (1989). Archaeology and Early Venda History. 6. 54–54. 19 indexed citations

8.

Loubser, J.H.N. & Thomas A. Dowson. (1987). Tombo-La-Ndou: The Venda Perception of San Rock Art. The South African Archaeological Bulletin. 42(145). 51–51. 7 indexed citations

9.

Wyk, J.A. Van & J.H.N. Loubser. (1986). The ESR Investigation of a Singly Ionized Sulphur Centre in Ib Diamonds. Materials science forum. 10-12. 923–928. 4 indexed citations

10.

Baldwin, D. A., et al.. (1984). Crystal and molecular structure of diaquobis(1,1?-dimethyl-2,2?-diimidazolylsulfide)copper(II) methylsulfate, (C8H10N4S)2Cu(II)(OH2)2(CH3OS03)2. Journal of Chemical Crystallography. 14(2). 157–167. 15 indexed citations

11.

Loubser, J.H.N. & J.A. Van Wyk. (1977). Optical spin-polarisation in a triplet state in irradiated and annealed type 1b diamonds. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 14 indexed citations

12.

Loubser, J.H.N.. (1977). ESR studies of diamond powders. Solid State Communications. 22(12). 767–770. 14 indexed citations

13.

Loubser, J.H.N. & Adrian C. Wright. (1973). A singly ionized N-C-N centre in diamond. Journal of Physics D Applied Physics. 6(9). 1129–1141. 27 indexed citations

14.

Loubser, J.H.N., et al.. (1966). Electron Spin Resonance of Nickel in Synthetic Diamonds. Nature. 211(5048). 517–517. 37 indexed citations

15.

Loubser, J.H.N., et al.. (1966). Electron spin resonance in electron-irradiated n-type silicon carbide. British Journal of Applied Physics. 17(10). 1277–1283. 2 indexed citations

16.

Loubser, J.H.N., et al.. (1965). Exchange interaction effects in the E.S.R. spectrum of substitutional nitrogen in diamond. Solid State Communications. 3(10). 307–309. 7 indexed citations

17.

Dyer, H. B., et al.. (1965). Optical absorption features associated with paramagnetic nitrogen in diamond. Philosophical magazine. 11(112). 763–774. 168 indexed citations

18.

Thaddeus, P., Lawrence C. Krisher, & J.H.N. Loubser. (1964). Hyperfine Structure in the Microwave Spectrum of HDO, HDS, CH2O, and CHDO : Beam-Maser Spectroscopy on Asymmetric-Top Molecules. The Journal of Chemical Physics. 40(2). 257–273. 153 indexed citations

19.

Loubser, J.H.N.. (1962). Microwave Spectrum and Structure of Trichlorofluoromethane. The Journal of Chemical Physics. 36(10). 2808–2809. 15 indexed citations

20.

Thaddeus, P., J.H.N. Loubser, Lawrence C. Krisher, & Harold Lecar. (1959). Beam Maser Spectroscopy on Formaldehyde. The Journal of Chemical Physics. 31(6). 1677–1678. 12 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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