B. Ullrich

3.6k total citations · 1 hit paper
156 papers, 3.1k citations indexed

About

B. Ullrich is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, B. Ullrich has authored 156 papers receiving a total of 3.1k indexed citations (citations by other indexed papers that have themselves been cited), including 127 papers in Electrical and Electronic Engineering, 89 papers in Materials Chemistry and 86 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in B. Ullrich's work include Chalcogenide Semiconductor Thin Films (73 papers), Quantum Dots Synthesis And Properties (68 papers) and Semiconductor Quantum Structures and Devices (58 papers). B. Ullrich is often cited by papers focused on Chalcogenide Semiconductor Thin Films (73 papers), Quantum Dots Synthesis And Properties (68 papers) and Semiconductor Quantum Structures and Devices (58 papers). B. Ullrich collaborates with scholars based in United States, Japan and Mexico. B. Ullrich's co-authors include G. Grem, G. Leising, H. Sakai, R. Schroeder, Gail J. Brown, Akhilesh Kumar Singh, Yasutomo Segawa, Krishna P. Acharya, Praveen Kumar Shahi and Haowen Xi and has published in prestigious journals such as Advanced Materials, The Journal of Chemical Physics and Physical review. B, Condensed matter.

In The Last Decade

B. Ullrich

151 papers receiving 3.0k 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.

Realization of a blue‐light‐emitting device using poly(p‐phenylene)

1992 856 citations B. Ullrich et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
B. Ullrich United States	28	2.5k	1.7k	797	700	323	156	3.1k
S. T. Lee Hong Kong	34	2.1k 0.8×	1.6k 1.0×	857 1.1×	336 0.5×	654 2.0×	76	3.2k
Esther Barrena Spain	30	2.5k 1.0×	999 0.6×	821 1.0×	873 1.2×	689 2.1×	98	3.0k
Robert Lovrinčić Germany	29	2.9k 1.2×	2.0k 1.2×	677 0.8×	527 0.8×	390 1.2×	60	3.4k
T. S. Jones United Kingdom	39	3.4k 1.4×	1.7k 1.0×	1.1k 1.4×	1.9k 2.8×	727 2.3×	128	4.6k
M. P. de Jong Netherlands	31	3.2k 1.3×	1.5k 0.9×	1.4k 1.8×	1.2k 1.7×	437 1.4×	101	4.3k
Bernard Servet France	17	1.5k 0.6×	1.0k 0.6×	541 0.7×	508 0.7×	243 0.8×	40	2.1k
Richard J. Curry United Kingdom	31	2.2k 0.9×	2.5k 1.5×	325 0.4×	329 0.5×	387 1.2×	115	3.3k
V. Yu. Aristov Russia	28	1.6k 0.6×	1.1k 0.6×	208 0.3×	1.0k 1.5×	375 1.2×	110	2.5k
Caroline Walsh United Kingdom	9	2.7k 1.1×	785 0.5×	2.0k 2.5×	326 0.5×	285 0.9×	15	3.1k
Jeramy D. Zimmerman United States	29	1.9k 0.8×	806 0.5×	745 0.9×	590 0.8×	450 1.4×	83	2.4k

Countries citing papers authored by B. Ullrich

Since Specialization

Citations

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

Fields of papers citing papers by B. Ullrich

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of B. Ullrich

This figure shows the co-authorship network connecting the top 25 collaborators of B. Ullrich. A scholar is included among the top collaborators of B. Ullrich 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 B. Ullrich. B. Ullrich is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Ullrich, B. & Mithun Bhowmick. (2025). Determination of silicon's melting temperature by employing Fan's formula and 37 % rule. Solid State Communications. 401. 115917–115917.

Bhowmick, Mithun, et al.. (2025). Pinpointing the Band Gap Energy of GaAs by Fitting the Transmissive Part of the Absorption Spectrum with Bootstrap Error. Materials. 18(18). 4266–4266.

Bhowmick, Mithun, et al.. (2024). Photoluminescence from Two-Phase Nanocomposites Embedded in Polymers. Micromachines. 15(1). 111–111. 1 indexed citations

Bhowmick, Mithun, et al.. (2023). Substrate and Excitation Intensity Dependence of Saturable Absorption in Perovskite Quantum Dot Films. Nanomaterials. 13(5). 871–871. 4 indexed citations

Bhowmick, Mithun, Haowen Xi, & B. Ullrich. (2023). Absorption limit in direct gap III–V semiconductors. Journal of Applied Physics. 134(1). 2 indexed citations

Bhowmick, Mithun, Haowen Xi, M. Androulidaki, & B. Ullrich. (2019). Mathematical assessment of the thermal band gap variation of semiconductors. Physica Scripta. 94(8). 85701–85701. 7 indexed citations

Yue, Fangyu, et al.. (2015). Temperature dependence of the fundamental excitonic resonance in lead-salt quantum dots. Applied Physics Letters. 107(2). 9 indexed citations

Ullrich, B., et al.. (2015). Photo-dynamic Burstein-Moss doping of PbS quantum dots in solution by single and two-photon optical pumping. Optical Materials Express. 5(11). 2431–2431. 5 indexed citations

Acharya, Krishna P., et al.. (2010). Pulsed laser deposition of graphite counter electrodes for dye-sensitized solar cells. Applied Physics Letters. 97(20). 33 indexed citations

10.

Haugan, H. J., B. Ullrich, S. Elhamri, et al.. (2010). Magneto-optics of InAs/GaSb superlattices. Journal of Applied Physics. 107(8). 8 indexed citations

11.

Acharya, Krishna P., et al.. (2006). Optoelectronic properties of ZnTe/Si heterostructures formed by nanosecond laser deposition at different Nd:YAG laser lines. Thin Solid Films. 515(7-8). 4066–4069. 39 indexed citations

12.

Ullrich, B., et al.. (2004). The formation of GaAs/Si photodiodes by pulsed-laser deposition. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 5339. 365–365. 4 indexed citations

13.

Ullrich, B., et al.. (2003). Preparation of thin film GaAs on glass by pulsed-laser deposition. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 4977. 180–180. 15 indexed citations

14.

Ullrich, B., et al.. (2000). Reflection properties of oriented thin CdS films formed by laser ablation. Thin Solid Films. 360(1-2). 222–228. 12 indexed citations

15.

Ullrich, B., A. Koma, Thomas Löher, & T. Kobayashi. (1998). Optical and hybrid properties of the ZnSe/InSe/Si heterojunction. Solid State Communications. 107(5). 209–211. 14 indexed citations

16.

Ullrich, B., et al.. (1998). The influence of the laser fluence on the transmission features of thin CdS films formed by laser ablation. Microelectronic Engineering. 43-44. 695–700. 14 indexed citations

17.

Ullrich, B. & Takayoshi Kobayashi. (1995). All-Optical Bistabilities in Reflection and Luminescence of Thin ZnSe Films. Optical Review. 2(6). 404–406. 1 indexed citations

18.

Ullrich, B., A. Kazlauskas, S. Zerlauth, & T. Kobayashi. (1994). First realization of bistable light emitting devices. Journal of Crystal Growth. 138(1-4). 234–238. 8 indexed citations

19.

Ullrich, B.. (1993). New Concepts for Material Characterizations and Optical Devices: Positive and Negative Hybrid Logics and Self-Induced Photonic Oscillators. Japanese Journal of Applied Physics. 32(3B). L411–L411. 2 indexed citations

20.

Ullrich, B., et al.. (1991). Optical gate realization with thin CdS films. Applied Physics A. 53(6). 539–546. 14 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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