176. M. H. Brooker and R. W. Berg: NON‑INVASIVE SPECTROSCOPIC ON-LINE METHODS TO MONITOR INDUSTRIAL PROCESSES, A REVIEW, Proceedings of the NATO Advanced Research Workshop: Green Industrial Applications of Ionic Liquids, Crete, Greece - April 2000. Published by Kluwer Academic Publishers, The Netherlands, 2003. R. D. Rogers et al. (eds.), Green Industrial Applications of Ionic Liquids, pages 227-251.
175. S. B. Hansen, R. W. Berg, and E. H. Stenby, "Raman spectroscopic studies of gasoline". Dansk Kemi (2000), 81(11), 18-20, 22-23. (Journal written in Danish).
174. R. W. Berg and I. M. Petrushina: Complex formation during the Dissolution of Gold in Molten K2S2O7. Progress in Molten Salts Chemistry, Vol. 1 (2000) 95-102 (Elsevier).
173. C. Julien, R. W. Berg and J. H. von Barner: "Vibrational Spectroscopic Study on the K2TiF6-Na2O System in FLINAK. Progress in Molten Salts Chemistry, Vol. 1 (2000) 253-256 (Elsevier).
172 J. O. Jensen, T. N. Nørbygaard and R. W. Berg: "Mechanical Alloying for the Preparation of Alloys not Easily Cast (CaNi5, MgNi and MoCo3). Progress in Molten Salts Chemistry, Vol. 1 (2000) 247-252 (Elsevier).
171. B. Gillesberg, J. H. von Barner, R. W. Berg and C. Bessada: "Investigation of Niobium(V) Halide Complex Formation in LiCl-KCl and CsCl-NaCl Melts with Fluoride Added. Progress in Molten Salts Chemistry, Vol. 1 (2000) 229-236 (Elsevier).
170. S. B. Rasmussen, R. W. Berg and R. Fehrmann: "Gas-Liquid Equilibrium Reactions in the Cs2S2O7-CsHSO4-H2O System at 200-470 oC. Investigated by Raman Spectroscopy. Progress in Molten Salts Chemistry, Vol. 1 (2000) 449-454 (Elsevier).
169. Li Qingfeng and R. W. Berg: "Electrodeposition of Aluminium and Aluminium Alloys from Alkali Chloroaluminate Melts: A review. Progress in Molten Salts Chemistry, Vol. 1 (2000) 439-447 (Elsevier).
168. A. Paulsen, F. Borup, R. W. Berg and S. Boghosian: "Spectroscopic Study of Niobium Oxosulfato Complexes in the Nb2O5-K2S2O7K2SO4 System at 450-700 oC. Determination of Complex Stoichiometry by Raman Spectroscopy. Progress in Molten Salts Chemistry, Vol. 1 (2000) 393-397 (Elsevier).
167. M. H. Brooker, R.W. Berg and J. D. C. Craig: "Ab Initio Calculations on Structure and Vibrational Spectra of Al2OF62- and B2OF62- Ions". Progress in Molten Salts Chemistry, Vol. 1 (2000) 111-118 (Elsevier)
166 R. W. Berg and D. H. Kerridge: "New Light on Salt Eutectic Structures - use of the Raman Miscroscope". Progress in Molten Salts Chemistry, Vol. 1 (2000) 85-93 (Elsevier)
165 S. Brunsgaard Hansen, R. W. Berg and E. H. Stenby: "Raman Spectroscopic Studies of Methane-Ethane Mixtures as a Function of Pressure". Appl. Spectrosc. 55(6), 2001, 745-749.&164. S. B. Hansen, R. W. Berg and E. H. Stenby: "High Pressure Measuring Cell for Raman Spectroscopic Studies of Natural Gas". Appl. Spectrosc., 55(1) 2001, 55-60.
163. J. Z. Jiang, K. Ståhl, R. W. Berg, D. J. Frost, T. J. Zhou, and P. X. Shi:" Structural Characterization of Cubic Silicon Nitride", Europhys. Lett. 51(1) 2000, 62-67.
162. M. H. Brooker, R. W. Berg, J. H. von Barner and N. J. Bjerrum: "Matrix Isolated Al2OF62! Ion in Molten and Solid FLINAK". Inorg. Chem. 39 (2000) 4725-4730.
161. M. H. Brooker, R. W. Berg, J. H. von Barner and N. J. Bjerrum: Raman Study of the Hexafluoroaluminate Ion in Solid and Molten FLINAK. Inorg. Chem. 39(2000)3682-3689.
160. S. B. Hansen, R. W. Berg, E. H. Stenby: "Determination of Methyl Tertiary Butyl Ether (MTBE) in Gasoline by Raman Spectroscopy". Asian Chemistry Letters. 4 (No. 1 & 2) 2000, P. 65-74.
159. R. W. Berg, K. Nielsen, and S. Boghosian: "The reaction between ZnO and Molten K2S2O7 forming K2Zn(SO4)2, studied by Raman and IR Spectroscopy and X-ray Diffraction". The International George Papatheodorou Symposium Proceedings, Patras, Sept.
17-19, 1999. Ed. S.Boghosian et al., Inst. Chem. Engineering & High Temp. Chem. Processes. ISBN 960-7839-01-3, p. 115-119.
158. R. W. Berg, J. H. von Barner, E. Cristensen and K. Nielsen: "The Crystal Structure and IR and Raman Spectra of alpha-CsNbF6". Progress in Molten Salts Chemistry, 1 (2000) 75-83.
157. K.B. Andersen, E. Christensen, R.W. Berg, N.J. Bjerrum and J.H. von Barner: "Infrared and Raman Spectroscopic Investigations of the Nb(V) Fluoro and Oxofluoro Complexes in the LiF-NaF-KF (FLINAK) Eutectic Melt with Development of a Diamond IR-cell". Inorg. Chem. 39 (2000) 3449-3454.
156. J. H. von Barner, K. B. Andersen and R. W. Berg: "Vibrational Spectroscopic Study on Fluorooxoborate Formation in Fluoride Melts: Indications of B2OF62- and B3O3F63-. J. Mol. Liquids. 83 (1999) 141-151.
155. P. H. Larsen, F. W. Poulsen and R. W. Berg: "The influence of SiO2 Addition on 2MgO-Al2O3-3.3P2O5 Glass". J. Non-cryst. Solids. 244 (1999) 16-24.
154. S. Brunsgaard Hansen, R. W. Berg and E. H. Stenby: Abstract "The Application of Raman Spectroscopy for analysis of Multicomponent Systems". Abstract presented 6th May 1998 at the Petroleum Technology Day 98, DTU. Also: Annual Discussion Meeting for IVC-SEP, June 9, 1998, Frederiksdal, Denmark, 1 page.
153. S. Boghosian and R.W. Berg: "Determination of Stoichiometry of Solutes in Molten Salt Solvents by Correlations of Relative Raman Band Intensities". Appl. Spectrosc. 53 (5) (1999) 565-571.
152. S. Boghosian, F. Borup and R.W. Berg: "Stoichiometry, Vibrational Modes and Structure of Molten Nb2O5-K2S2O7 Mixtures. A Raman spectroscopic study ". Proceedings - Electrochemical Society (1998), 98-11( Symposium on Molten Salts XI), 536-543. The Electrochemical Society, Pennington, N.J.
151. T. Nørbygaard, R.W. Berg and K. Nielsen. "The Reactions between MoO3 and Molten K2S2O7 forming K2MoO2(SO4)2, studied by Raman and IR Spectroscopy and X-ray Crystal Structure Determination". Proceedings - Electrochemical Society (1998), 98-11 (Symposium on Molten Salts XI), 553-573, Pennington, N.J.
150. S. Boghosian, F. Borup and R.W. Berg: "Stoichiometry, Vibrational Modes and Structures of Molten K2S2O7 Mixtures". 193rd Electrochem. Soc. Meeting, San Diego, USA, May 3-8, 1998. The Electrochem. Soc. Meetings Abstracts, Vol. 98-1. Abstr. No. 1094, 1998.
149. T. Nørbygaard, R.W. Berg and K. Nielsen. "The Reactions between MoO3 and Molten K2S2O7 forming K2MoO2(SO4)2, studied by Raman and IR Spectroscopy and X-ray Crystal Structure Determination".193rd Electrochem. Soc. Meeting, San Diego, USA, May 3-8, 1998. The Electrochem. Soc. Meetings Abstracts Vol. 98-1, Abstr. No. 1096, 1998.
148. R. Jarle Aaberg, R. Tunold, M. Mogensen, R. W. Berg and R. Ødegård: "Morphological Changes at the Interface of the Nickel-Yttria Stabilized Zirconia Point Electrode". J. Electrochem. Soc., 145 (1998) 2244-2252.
147. K. Nielsen, S. Boghosian, R. Fehrmann, and R.W. Berg: "The Crystal Structure and Spectroscopic characterization of a green V(IV) compound, Na8(VO)2(SO4)6". Acta Chem. Scand. 53 (1999) 15-23.
146. R. W. Berg and O. Reckeweg: "Raman Spectroscopy on the black Niobium Cluster Compounds K4Nb6Cl18 and Rb4Nb6Cl18", poster at Annual Danish Chemical Society Meeting in Odense, June 12, 1997.
145. B.Gillesberg, J. von Barner, R.W.Berg and N. J. Bjerrum: "Raman Spectroscopic Investigation on Nb(V) Complex formation in LiCl-KCl Melts. Influence of Fluoride and Oxide Additions", 5th International Symposium On Molten Salt Chemistry and Technology, 24-29 August 1997, abstract presented, 1 page + poster.
144. R.W. Berg: "Calibration of Scanning CCD-Raman spectrometer. Stoichiometry of reactions determined by Raman spectroscopy. Example: MoO3 + molten K2S2O7". Poster and lecture given at "Kemisk Forenings Årsmøde i Odense", 11. juni, 1998, Odense, Danmark.
143. R.W. Berg: "The Crystal Structure of SrCrO4, A Phase in La0.8Sr0.2CrO3 samples, determined by Rietveld refinement of X-ray powder diffraction Data". 17th Risø International Symposium on Materials Science, 2-6 September 1996. Proceedings p. 175-180.
142. R. W. Berg, F.W. Poulsen and K. Nielsen: "Redetermination of the Crystal Structure of Al2Br6. A comparison of three methods". Acta Chem. Scand. 51, (1997) 442-448.
141. R. W. Berg: "The CsBr-AlBr3 Phase Diagram and The Crystal Structure of CsAlBr4". Acta Chem. Scand. 51, (1997) 455-461.
140. R. W. Berg, M. M. Andersen and N. J. Bjerrum: "Characterization of La1-xSrxCrO3±* (x = 0.2, * . O) Powders by X-ray Powder Diffraction". Abstract published in Proceedings of the 2nd European Solid Oxide Fuel Cell Forum, 6-10 May 1996, Oslo, Norway. Published by U. Bossel, Morgenacher Str. 2F, CH-5452 Oberrohrdorf, Switzerland. Proceedings p. 413-422.
139. N. Kjerulf-Jensen, R. W. Berg and F. W. Poulsen: "Raman Spectroscopic Characterization of ZrO2 and Yttrium Stabilized Zirconias". Abstract published in Proceedings of the 2nd European Solid Oxide Fuel Cell Forum, 6-10 May 1996, Oslo, Norway. Published by U. Bossel, Morgenacher Str. 2F, CH-5452 Oberrohrdorf, Switzerland. Proceedings p. 647-656.
138. J.O. Jensen, R.W. Berg, and N.J. Bjerrum: "CaNi5 Prepared by Mechanical Alloying". International Symposium on Metal Hydrogen Systems, Fundamentals and Applications. Les Diablerets, Switzerland, August 25-30, 1996. Book of Abstracts. Section A1, p.11.
137. N. J. Bjerrum, I. M. Petrushina, B. Vestergaard, H. A. Hjuler and R. W. Berg: "Polypyrrol as Positive Electrode for Rechargeable Batteries with a Molten Salt Electrolyte". Patent Application 1045/93. Version in Danish: "Polypyrrol som positiv elektrode til genopladelige batterier med saltsmelteelektrolyt". Danish Patent Application number 170626 B1. (H01M4/60).
136. I.M. Petrushina, N.J. Bjerrum, R.W. Berg and F. Cappeln: "Electrochemical Behaviour of Molten V2O5!K2S2O7!KHSO4 Systems. J. Electrochem. Soc. 144 (1997) 532-539.
135. I.M. Petrushina, N.J. Bjerrum, R.W. Berg and F. Cappeln: "Electrochemical Behaviour of Molten V2O5!K2S2O7!M2S2O7 Catalytic System", Tenth International Symposium on Molten Salts. The Electrochemical Society, Inc. Los Angeles, California, May 5-10, 1996, Meeting, Abstracts, Vol 96-1, No. 1142, p. 1416.
134. R.W. Berg, N. Kjerulf-Jensen, P. Waage Jensen and M. Nissum: "Konfokal Laser Raman Mikrospektroskopi", Dansk Kemi, 9 (1995) 20-25, in Danish.
133. N.J. Bjerrum, I.M. Petrushina and R.W. Berg: "Electrochemical Investigation of the Catalytical Processes in Sulfuric Acid Production", J. Electrochem Soc. 142 (1995) 1805-1813.
132. R.W. Berg, K. Nielsen and F.W. Poulsen: "Redetermination of the Crystal Structure of Al2Br6". The Int. Harald A. Øye Symposium Proceedings Paper, Trondheim, Norway, Feb. 2-3, 1995, Eds. M. Sørlie, T. Østvold & R. Huglen, paper in Proceedings vol. p. 381-385.
131. M.M. Andersen, L.K. Larsen, M.K. Larsen, F. Borup, R.W. Berg and N.J.Bjerrum: "La1-xSrxMnO3±*-Powders Produced by Drip Pyrolysis: Powder Synthesis and Characterisation". First European Solid Oxide Fuel Cell Forum, Lucerne, Switzerland, 3-7 October 1994, paper in Proceedings vol. p. 503-12.
130. I. Petrushina, N.J. Bjerrum, R.W. Berg: "Electrochemical Investigation of the Catalytical Processes in Sulfuric Acid Production". EUCHEM Research Conference on Molten Salts, Bad Herrenalb, Germany, August 21-26, 1994; (abstract no. A-33).
129. N. Tellefsen, R.W. Berg, N.J. Bjerrum, J.H. von Barner: "Raman Spectroscopic Investigations on the System KBF4-K2NbF7-Na2O Dissolved in Eutectic LiF-NaF-KF (FLiNaK) Melts". EUCHEM Research Conference on Molten Salts, Bad Herrenalb, Germany, August 21-26, 1994; (abstract no. B-2).
128. F. Borup, M.M. Andersen, H.C. Møller, R.W. Berg, N.J. Bjerrum: "Preparation and Test of Cathode Materials for the MCFC". 2nd Nordic Symposium on High Temperature Fuel Cells, Geilo, Norway, March 16-18, 1994, Proceedings paper p. 47-50.
127. M.M. Andersen, F. Borup, R.W. Berg, N.J. Bjerrum: "Characterization of LSM Powders Synthesized by Drip Pyrolysis." 2nd Nordic Symposium on High Temperature Fuel Cells, Geilo, Norway, March 16-18, 1994, Proceedings paper p. 127-130.
126. R. W. Berg and M. H. Brooker: "Raman Spectroscopy on Sulfur Trioxide Phases". Unpublished manuscript.
125. N.J. Bjerrum, R.W. Berg, E.Christensen, D.H. Kerridge and J.H. von Barner: "Use of Vibrational Spectroscopy to determine Oxide Content of Alkali Metal Fluoride-Tantalum Melts". Analytical Chemistry, 34, (1995) 2129-35.
124. L. Qingfeng, X. Gang, H.A. Hjuler, R.W. Berg and N.J. Bjerrum:"Oxygen Reduction on Gas Diffusion Electrodes for PAFC by the Potential Decay Method". J. Electrochem. Soc. 142, (1995) 3250.
123. L. Qingfeng, X. Gang, H.A. Hjuler, R.W. Berg and N.J. Bjerrum: "Limiting Current of Oxygen Reduction on Gas-Diffusion Electrodes for Phosphoric Acid Fuel Cells". J. Electrochem. Soc. 141 (1994) 3114-19.
122. L. Qingfeng, X. Gang, H.A. Hjuler, R.W. Berg and N.J. Bjerrum:"Perfluorinated Salts as Electrolyte Additives for PAFC", The Electrochem. Soc., Extended Abstr. Vol. 94-2, Fall meeting, Miami Beach, Florida, Oct.9-14, 1994. Abstr. No. 621, p. 973-974.
121. N. J. Bjerrum, I. Petrushina, B. Vestergaard, H.A. Hjuler, R.W. Berg:"Polypyrrol som positiv elektrode til genopladelige batterier med saltsmelteelektrolyt". Danish Patent Application no.1045/94 (filed September 20, 1993).
120. A. Cheneymann, F. Borup, R.W. Berg and N.J. Bjerrum: "Lithium Insertion and Electrical Conductivity of Cobalt Ferrite at High Temperature". Paper published in Proceedings of 9th Int. Conf. on Solid State Ionics, The Hague, The Netherlands, 12-17 Sept. 1993, 8 pp.
119. X. Gang, H.A. Hjuler, C. Olsen, R.W. Berg and N.J. Bjerrum: "Modified Electrolytes for Phosphoric Acid Fuel Cells". Proceedings Abstract, Intern. Soc. of Electrochem., 44th Meeting, Berlin, 5-10 Sept.1993, p.482.
118. R.W. Berg: Book review of "Molten Salt Techniques", Vol. 4. Edited by Robert J. Gale and David G. Lovering, published by Plenum (New York and London), 1991. Inorg. Chim. Acta, 192 (1992) 291-292.
117. A. Cheneymann, F. Borup, R.W. Berg and N.J. Bjerrum:"A Preliminary Investigation on Co3Fe3O8 for High Temperature Fuel Cells". Paper published in "High Temperature Electrochemical Behaviour of Fast Ion and Mixed Conductors", Proceedings of the 14th RISØ International Symposium on Materials Science, 6-10 Sept. 1993, pp. 229-236.
116. M. M. Andersen, A. Cheneymann, R.W. Berg and N.J. Bjerrum: "Synthesis, Characterization and Calcination of La(Sr)MnO3 for Solid Oxide Fuel Cells". Poster presentation, First Int. Conference on Materials Chemistry, The Royal Society of Chemistry, Aberdeen, Scotland, July 19-22, 1993.
115. J.H. von Barner, R.W. Berg, Y. Berghoute and F. Lantelme: "Investigations of the Complex and Redox Chemistry of K2NbF7 dissolved in NaCl-KCl Melts with Oxide Additions". Molten Salt Forum, Vol. 1-2 (1993/94). Published by Trans Tech Publications, Switzerland, pp. 121-26.
114. R.W. Berg, F.Borup and N.J. Bjerrum: "Raman Study on the SO3-K2S2O7 Molten System". Molten Salt Forum, Vol. 1-2 (1993/94). Published by Trans Tech Publications, Switzerland, pp. 69-86.
113. B.C. Knutz, H.A. Hjuler, R.W. Berg and N.J. Bjerrum: "Mechanism of Reaction in NaA1Cl4 Molten Salt Batteries with Nickel Felt Cathodes and Aluminum Anodes. II: Experimental Results and Comparison with Model Calculations". J. Electrochem. Soc. 140 (1993) 3380-3390.
112. B.C.Knutz, H.A.Hjuler, R.W.Berg and N.J.Bjerrum: "Mechanism of Reaction in NaAlCl4 Molten Salt Batteries with Nickel Felt Cathodes and Aluminum Anodes. I: Modeling of the Battery Properties at Thermodynamic Equilibrium". J. Electrochem. Soc. 140 (1993) 3374-3379.
111. R.W. Berg, S. Boghosian, N.J. Bjerrum, R. Fehrmann, B. Krebs, N. Sträter, O.S. Mortensen and G.N. Papatehodorou: "Crystal Structure and Spectroscopic Characterization of CsV(SO4)2. Evidence for an Electronic Raman Transition". Inorg. Chem. 32 (1993) 4714-20 + correction 33 (1994) 402.
110. B. Vestergaard, N. J. Bjerrum, I. Petrushina , H.A. Hjuler, R.W. Berg and M. Begtrup: "Molten Triazolium Chloride Systems as New Aluminum Battery Electrolytes", J. Electrochem. Soc. 140 (1993) 3108-3113.
109. B.C. Knutz, R.W. Berg, L. Rosenmeier and N.J. Bjerrum: "Mechanism of Reaction of Nickel Felt Cathodes in Sulfide Containing NaAlCl4 Melt at 175 oC". Electrochem. Soc. Extended Abstr., Toronto, Canada, p. 114-115 (1992).
108. X. Gang, H.A. Hjuler, C. Olsen, R.W. Berg and N.J. Bjerrum: "Electrolyte Additives for Phosphoric Acid Fuel Cells". J. Electrochem. Soc. 140 (1993) 896-902.
107b. N.J. Bjerrum, X. Gang, H.A. Hjuler, C. Olsen and R.W. Berg: "Phosphoric Acid Fuel Cell". U.S. Patent Application 07/903,903 (filed June 25, 1992, obtained Sep. 6, 1994 as US Patent no. 5,344,722); Korean Patent Application 92-22045 (filed November 23,1992); Taiwanese Patent Application 81109858 (filed December 9, 1992); Japanese Patent Application Hei-4-169488 (filed June 26, 1992); European Patent Application 520 469 (filed June 26, 1992).
107a. X. Gang, H.A. Hjuler, C. Olsen, R.W. Berg and N.J. Bjerrum: "Electrolyte Additives for Phosphoric Acid Fuel Cells", Patent Application 1272/91. Version in Danish: "Additiver til elektrolytter i fosforsyrebrændselsceller". European Patent Application number 92110777.7 (H01M 8/08). Publication No. 0520469 A2.
106. R.W. Berg: "Om Krudtets og Salpetersydningens historie". Abstract from Danmarks Tekniske Museums Årbog 1988, p. 44 by C.K. Jørgensen, Ambix 38 (1991) 170.
105. J.H. von Barner, R.W. Berg, E. Christensen, D. Kerridge and N.J. Bjerrum: "IR and Raman Spectroscopic Investigations on the MF5-LiF-NaF-KF-Na2O (M = Nb, Ta) Solidified System". EUCHEM Conf. on Molten Salts, De Haan, March 29. 1992. P-3.
104. F. Birkeneder, R.W. Berg and N.J. Bjerrum: "Raman and NMR Studies in the System Phosphoryl Chloride-Aluminum Chloride". Acta Chem. Scand., 47 (1993) 344-57.
103. R. Fehrmann, S. Boghosian, G.N. Papatheodorou, K. Nielsen, R.W. Berg and N.J. Bjerrum: "The Crystal Structure of NaV(SO4)2", Acta Chem. Scand., 45 (1991) 961-964.
102. J.H. von Barner, R.W. Berg, N.J. Bjerrum, E. Christensen and F. Rasmussen: "Vibrational Spectra of Fluoro and Oxofluoro Complexes of Nb(V) and Ta(V)", Materials Science Forum Vol. 73-75 (1991) 279-84.
101. Li Qingfeng, H.A. Hjuler, R.W. Berg and N.J. Bjerrum: "lnfluence of Substrates on the Electrochemical Deposition and Dissolution of Aluminum in NaAlCl4 Melts", J. Electrochem. Soc. 138 (1991) 763-766.
100. R.W. Berg: "Progress in Niobium and Tantalum Coordination Chemistry" . Coord. Chem. Rev. 113, 1992, 1-130.
99. B. Krebs, H. Greiwing, C. Brendel, F. Taulelle, M. Gaune-Escard and R.W. Berg: "Crystallographic and 27A1-NMR Study on Premelting Phenomena in Crystals of Sodium Tetrachloroaluminate". Inorg. Chem., 30 (1991) 981-88.