N. Ohama

411 total citations
18 papers, 304 citations indexed

About

N. Ohama is a scholar working on Materials Chemistry, Electronic, Optical and Magnetic Materials and Condensed Matter Physics. According to data from OpenAlex, N. Ohama has authored 18 papers receiving a total of 304 indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Materials Chemistry, 6 papers in Electronic, Optical and Magnetic Materials and 5 papers in Condensed Matter Physics. Recurrent topics in N. Ohama's work include High-pressure geophysics and materials (5 papers), Inorganic Fluorides and Related Compounds (4 papers) and Electronic and Structural Properties of Oxides (4 papers). N. Ohama is often cited by papers focused on High-pressure geophysics and materials (5 papers), Inorganic Fluorides and Related Compounds (4 papers) and Electronic and Structural Properties of Oxides (4 papers). N. Ohama collaborates with scholars based in Japan, Switzerland and India. N. Ohama's co-authors include Atsushi Okazaki, Yoshikazu Hamaguchi, K. A. Müller, Yuji Soejima, Hans J. Scheel, M. Hidaka, T. Nakamura, K. Hisano, On Matumura and K. Inoue and has published in prestigious journals such as Journal of Applied Crystallography, Japanese Journal of Applied Physics and Solid State Communications.

In The Last Decade

N. Ohama

17 papers receiving 285 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
N. Ohama Japan	10	214	109	77	58	57	18	304
B. A. Maksimov Russia	10	234 1.1×	135 1.2×	45 0.6×	57 1.0×	58 1.0×	56	352
H.-G. Zimmer Germany	8	141 0.7×	133 1.2×	128 1.7×	43 0.7×	160 2.8×	9	375
F. Altorfer Switzerland	11	322 1.5×	244 2.2×	159 2.1×	77 1.3×	113 2.0×	23	548
I. Tale Latvia	12	275 1.3×	58 0.5×	27 0.4×	38 0.7×	65 1.1×	30	332
R. E. Alonso Argentina	11	263 1.2×	139 1.3×	57 0.7×	37 0.6×	49 0.9×	45	369
M. Mansmann Germany	5	258 1.2×	68 0.6×	85 1.1×	222 3.8×	84 1.5×	5	378
N. Bykovetz United States	10	210 1.0×	148 1.4×	213 2.8×	29 0.5×	71 1.2×	30	422
V. N. Syromyatnikov Russia	7	162 0.8×	126 1.2×	85 1.1×	20 0.3×	63 1.1×	12	287
T. Kracht Germany	2	126 0.6×	78 0.7×	63 0.8×	26 0.4×	35 0.6×	3	250
M. Drulis Poland	12	371 1.7×	54 0.5×	156 2.0×	29 0.5×	104 1.8×	41	462

Countries citing papers authored by N. Ohama

Since Specialization

Citations

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

Fields of papers citing papers by N. Ohama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of N. Ohama

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

All Works

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18 of 18 papers shown

Ohama, N., et al.. (1990). Thermal expansion and spontaneous strain of KMnF₃near the 186 K-structural phase transition. Phase Transitions. 28(1-4). 99–106. 7 indexed citations

Ohama, N., et al.. (1987). Structure of tetramethylammonium dihydrogenorthophosphate monohydrate. Acta Crystallographica Section C Crystal Structure Communications. 43(5). 962–964. 11 indexed citations

Ohama, N., et al.. (1987). Crystal structure of tetramethylammonium dihydrogen orthophosphate monohydrate. Acta Crystallographica Section A Foundations of Crystallography. 43(a1). C166–C166. 1 indexed citations

Okazaki, Atsushi, N. Ohama, & K. A. Müller. (1986). X-ray diffraction data denying the hypothesis of surface D_4hin SrTiO₃. Journal of Physics C Solid State Physics. 19(25). 5019–5024. 6 indexed citations

Soejima, Yuji, et al.. (1985). The lattice constant vs. temperature relation around the 105 K transition of a flux-grown SrTiO₃crystal. Phase Transitions. 5(3). 207–218. 54 indexed citations

Inoue, K., et al.. (1985). Anisotropic stress-sensitive temperature dependence of the lattice constant of silicon. Journal of Physics C Solid State Physics. 18(12). 2431–2436. 5 indexed citations

Okazaki, Atsushi, Yuji Soejima, N. Ohama, & K. A. Müller. (1985). High-Resolution X-Ray Diffraction Study of Structural Phase Transition in SrTiO₃. Japanese Journal of Applied Physics. 24(S2). 257–257. 3 indexed citations

Ohama, N., et al.. (1984). The temperature dependence of the lattice constant of SrTiO ₃ around the 105 K transition. Phase Transitions. 4(2). 81–90. 19 indexed citations

Okazaki, Atsushi, et al.. (1983). Time-dependent strains near the 105 K transition in SrTiO₃. Phase Transitions. 3(4). 339–345. 8 indexed citations

10.

Ohama, N., et al.. (1982). A precursor effect in the lattice constant at the 186 K-structural phase transition in KMnF₃. Phase Transitions. 2(4). 263–276. 11 indexed citations

11.

Ohama, N., et al.. (1981). Measurement of the Lattice Constant of KMnF₃around the 186 K Phase-Transition: Determination of the Critical Exponent. Journal of the Physical Society of Japan. 50(12). 4013–4021. 31 indexed citations

12.

Okazaki, Atsushi & N. Ohama. (1979). Improvement of high-angle double-crystal X-ray diffractometry (HADOX) for measuring temperature dependence of lattice constants. I. Theory. Journal of Applied Crystallography. 12(5). 450–454. 27 indexed citations

13.

Suzuki, Yoshifumi, et al.. (1979). Anomalous Temperature Dependence of Lattice Constant in Silicon Crystals. Journal of the Physical Society of Japan. 46(3). 1037–1038. 6 indexed citations

14.

Ohama, N., et al.. (1979). Improvement of high-angle double-crystal X-ray diffractometry (HADOX) for measuring temperature dependence of lattice constants. II. Practice. Journal of Applied Crystallography. 12(5). 455–459. 26 indexed citations

15.

Hidaka, M., et al.. (1975). A comment on the phase transitions in KMnF3. Solid State Communications. 16(9). 1121–1124. 30 indexed citations

16.

Ohama, N.. (1974). Superstructure of potassium selenate K2SeO4. Materials Research Bulletin. 9(3). 283–288. 14 indexed citations

17.

Ohama, N. & Yoshikazu Hamaguchi. (1971). Determination of the Exchange Integrals in β-MnO₂. Journal of the Physical Society of Japan. 30(5). 1311–1318. 36 indexed citations

18.

Hisano, K., N. Ohama, & On Matumura. (1965). Far-Infrared Vibration Mode in SrCl₂. Journal of the Physical Society of Japan. 20(12). 2294–2294. 9 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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