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SILICON

Si-39. C. P. Khattak and F. Schmid, "Growth of 240 KG Multicrystalline HEM Silicon Ingots," 2nd World Conference and Exhibition on Photovoltaic Solar Energy, Vienna, Austria, July 6-10, 1998.

Si-38. C. P. Khattak and F. Schmid, "Growth and Characterization of 200 Kg Multicrystalline Silicon Ingots by HEM," Proc. 26th IEEE Photovoltaic Specialists Conference, (IEEE, New York) pp. 111-114 (1997).

Si-37. C.P. Khattak and F. Schmid, "Current Status of HEM Grown Silicon Ingots," NREL/SNL Photovoltaics Program Review Meeting, Lakeview, CO, November 1996.

Si-36. Rohatgi, S. Narasimha, S. Kamra and C.P. Khattak, "Fabrication and Analysis of Record High 18.2% Efficient Solar Cells on Multicrystalline Silicon Material," IEEE Electron Device Letters, 17 (8), (1996).

Si-35. C.P. Khattak, F. Schmid, "Automation in HEM Silicon Ingot Production," 25th IEEE Photovoltaic Specialists Conference, (IEEE, New York) pp. 597-600 (1996).

Si-34. S. Narasimha, S. Kamra, A. Rohatgi, C.P. Khattak, D. Ruby, "The Optimization and Fabrication of High Efficiency HEM Multicrystalline Silicon Solar Cells," 25th IEEE Photovoltaic Specialists Conference, (IEEE, New York), pp. 449-452 (1996).

Si-33. A. Rohatgi, S. Narasimha, S. Kamra, P. Doshi, C.P. Khattak, K. Emery, H. Field, "Record High 18.6% Efficient Solar Cell on HEM Multicrystalline Material," 25th IEEE Photovoltaic Specialists Conference, (IEEE, New York), pp. 741-744 (1996).

Si-32. C.P. Khattak, F. Schmid, M. Cudzinovic, M. Symko, B.L. Sopori, "Analysis and Control of the Performance-Limiting Defects in HEM-Grown Silicon for Solar Cells," Mat. Res. Soc. Symp. Proc., Defect and Impurity Engineered Semiconductors and Devices, 378 767-775 (1995).

Si-31. C.P. Khattak, F. Schmid, "Low-Cost Multicrytalline Silicon for High Efficiency Solar Cells," Conference Proceedings 13th NREL Photovoltaics Program Review Meeting, (AIP Press, Harin S. Ullal and C. Edwin Witt, eds.) Vol. 353, pp. 118-125 (1995).

Si-30. C.P. Khattak, B.L. Sopori, M. Cuzdinovic, A. Rohatgi, "Characterization of HEM Multi-Crystalline Silicon Material for High Efficiency Solar Cells," NREL 5th Workshop on Role of Impurities and Defects in Silicon Device Processing, pp. 57-59 (1995).

Si-29. C.P. Khattak, F. Schmid, "High-Efficiency Solar Cells using HEM Silicon," 24th IEEE Photovoltaic Specialists Conference - 1st World Conference on Photovoltaic Energy Conversion, (IEEE, New York) II, 1351-1355 (1994).

Si-28. C.P. Khattak, F. Schmid, "Improvement of HEM Silicon via Impurity and Defect Analysis," 12th NREL PV Program Review Meeting, Denver, (1993).

Si-27. C.P. Khattak, F. Schmid, M. Cudzinovic, B.L. Sopori, "Impurity/Defect Analysis of HEM Silicon," NREL's 3rd Workshop of The Role of Point Defects and Defect Complexes in Silicon Device Processing, Golden, CO (1993)

Si-26. C.P. Khattak, F. Schmid, W.K. Schubert, M. Cudzinovic, B.L.Sopori, "Characteristics of HEM Silicon Produced in a Reusable Crucible," 23rd IEEE Photovoltaic Specialists Conference, (IEEE, New York) pp. 73-77 (1993).

Si-25. C.P. Khattak, F. Schmid, B. Supori, and W. K. Schubert, "Characterization of HEM Multicrystalline Silicon," 2nd Workshop on the Role of Point Defects/Defect Complexes in Silicon Device Fabrication, pp. 33-39 (1992).

Si-24. C.P. Khattak and F. Schmid, "HEM Technology for Photovoltaic Applications," Proc. 6th Int'l. PVSEC (Oxford & IBH Publ. Co. Pvt. Ltd., India, eds. B.K. Das and S.N. Singh) pp. 117-124 (1992).

Si-23. C.P. Khattak, F. Schmid, D.W. Cunningham and J.G. Summers, "Directional Solidification of 80 kg Multicrystalline Silicon Ingots by HEM," 22nd IEEE Photovoltaic Specialists Conference , (IEEE, New York) pp. 976-978 (1991).

Si-22. C.P. Khattak and K.V. Ravi eds., Silicon Processing for Photovoltaics II, Materials Processing: Theory and Practices Vol. 6, (North Holland, 1987).

Si-21. C.P. Khattak and F. Schmid, "Growth of Silicon Ingots by HEM for Photovoltaic Applications," Silicon Processing for Photovoltaics II, Materials Processing: Theory and Practices (F.F.Y. Wang series ed.) (C.P. Khattak and K.V. Ravi eds.) North Holland Publ. Co., Vol. 6, p. 153-183 (1987).

Si-20. C.P. Khattak and K.V. Ravi eds., Silicon Processing for Photovoltaics I, Materials Processing: Theory and Practices Vol. 5 (North Holland, 1985).

Si-19. C.P. Khattak and F. Schmid, "Production of High Performance Multicrystalline Silicon by the Heat Exchanger Method (HEM)," invited paper in Photovoltaic Materials and Devices (B.K. Das and S.N. Singh eds.) (Wiley Eastern Ltd., 1985) p. 137.

Si-18. C.P. Khattak, F. Schmid, W. Schmidt, and K.D. Rasch, "Optimization of HEM Silicon in Initial Production," 1st International Photovoltaic Science and Engineering Conf., Kobe, Japan (1984).

Si-17. C.P. Khattak and F. Schmid, "Growth of Silicon Crystals by HEM for Photovoltaic Applications," invited paper in Symposium on Progress in Bulk Semiconductor Crystal Growth at Materials Research Soc. Annual Meeting, Boston, MA (1983).

Si-16. C.P. Khattak and F. Schmid, "Processing of MG Silicon for Photovoltaic Applications," Proc. Symposium on Materials and New Processing Technologies for Photovoltaics (J.A. Amick, V.K. Kaput, and J. Dietl eds.) (Electrochem. Soc. Inc., NJ) 83-11 p. 478 (1983).

Si-15. F. Schmid, C.P. Khattak, and P.A. Isles, "Current Status of HEM and FAST Technologies," Proc. 5th E.C. Photovoltaic Solar Energy Conf. (D. Reidel Publ. Co.) p. 1019 (1983).

Si-14. C.P. Khattak, F. Schmid, P.H. Robinson, and R.V. D'Aiello, "Thin-Film Epitaxial Solar Cells on Substrates Made from MG Silicon by the HEM Process," 16th IEEE Photovoltaic Specialists Conference, (IEEE, New York) p. 128 (1982).

Si-13. K.A. Dumas, C.P. Khattak, and F. Schmid, "Characterization of HEM Silicon for Solar Cells," 15th IEEE Photovoltaic Specialists Conference, (IEEE, New York) p. 954 (1981).

Si-12. C.P. Khattak; M. Basaran, F. Schmid, R. D'Aiello, P. Robinson, and A. Firester, "Metallurgical-Silicon Substrates Produced by HEM for Epitaxial Thin Film Solar Cells," 15th IEEE Photovoltaic Specialists Conference, (IEEE, New York) p. 1432 (1981).

Si-11. C.P. Khattak and F. Schmid, "Refinement of MG Silicon by HEM for Photovoltaic Applications,"- 160th Meeting of the Electrochem. Soc., Extended Abstracts, 81 (2) p. 1137 (1981).

Si-10 F. Schmid, M. Basaran and C.P. Khattak, "Directional Solidification of MG Silicon by Heat Exchanger Method (HEM) for Photovoltaic Applications," Proc. 3rd E.C. Photovoltaic Solar Energy, Conf. , (D. Reidel Publ. Co.) p. 252 (1981).

Si-9. F. Schmid and C.P. Khattak, "Cutting Silicon Wafer Costs for Photovoltaics," Optical Spectra 15 (5), 65 (1981).

Si-8. C.P. Khattak, F. Schmid, and L.P. Hunt, "Single Crystal Growth of Upgraded Metallurgical Silicon by HEM for Photovoltaic Applications," 157th Meeting of the Electrochem. Soc. , 80-1, p. 814 (1980).

Si-7. C.P. Khattak and F. Schmid, "Directional Solidification of Large Silicon Crystals in Silica Crucibles," Amer. Ceram. Soc. Bull. 58 (7), 732 (1979).

Si-6. C.P. Khattak and F. Schmid, "Low-Cost Conversion of Polycrystalline Silicon into Sheet by HEM and FAST," Proc. 14th IEEE PhotovoltaicSpecialists Conf., (IEEE, New York) p. 484 (1980).

Si-5. C.P. Khattak and F. Schmid, "Low-Cost, High-Efficiency Silicon by Heat Exchanger Method and Fixed Abrasive Slicing Technique," Proc. 2nd E.C. Photovoltaic Solar Energy Conf., (D. Reidel Publ. Co.) p. 106 (1979).

Si-4. F. Schmid, C. P. Khattak, T.G. Digges, Jr., and L. Kaufman, "Origin of SiC Impurities Impurities in Silicon Crystals Grown from the Melt in Vacuum," J. Electrochem. Soc. 126 (1), 935 (1979).

Si-3. C.P. Khattak and F. Schmid, "Casting Large Silicon Crystals in Clear Silica Crucibles," Amer. Ceram. Soc. Bull. 57 (6), 609 (1978).

Si-2. C.P. Khattak and F. Schmid "Crystal Growth of Silicon by Heat Exchanger Method for Photovoltaic Applications," Amer. Ceram. Soc. Bull. 57 380 (1978).

Si-1. C.P. Khattak and F. Schmid, "Directional Solidification of Crack-Free Silicon Ingots by Heat Exchanger Method," Proc. 13th IEEE Photovoltaic Specialists Conference., p. 137 (1978).

FAST

F-12. F. F. Schmid, M.B. Smith, C.P. Khattak, "Development of Shaped Wire for Fast Slicing," Proc. 12th E.C. Photovoltaics Conference, I, 1009-1010 (1994).

F-11. F. Schmid, M.B. Smith, C.P. Khattak, "Kerf Reduction Using Shaped Wire," 23rd IEEE Photovoltaic Specialists Conference, (IEEE, New York) pp. 205-208 (1993).

F-10. F. Schmid, M.B. Smith and C.P. Khattak, "Current Status of FAST Technology," Proc. 6th Int'l. PVSEC., (Oxford & IBH Publishing Co. Pvt. Ltd., India, eds. B.K. Das and S.N. Singh) pp. 255-260 (1992).

F-9. F. Schmid, M.B. Smith and C.P. Khattak, "Method for Kerf Reduction in FAST Slicing," 11th Photovoltaic Specialists Conference EC (Harwood Academic Publishers) pp. 477-479 (1992).

F-8. M.B. Smith, F. Schmid, C.P. Khattak, L. Teale and J.G. Summers, "MultiWire FAST Slicing for Photovoltaic Applications," Proc. 22nd IEEE Photovoltaic Specialists Conference (IEEE, New York) II 979-981 (1991).

F-7. M.B. Smith, F. Schmid, C.P. Khattak, and T.M. Trumble, "Efficient Slicing of GaAs by FAST," Proc. 19th IEEE Photovoltaic Specialists Conference (IEEE, New York, 1987) p. 417.

F-6. F. Schmid, C.P. Khattak, and P.A. Isles, "Current Status of HEM and FAST Technologies," Proc. 5th E.C. PV Solar Energy Conf. (D. Reidel Publ. Co., 1983) p. 1019.

F-5. C.P. Khattak, F. Schmid, and M.B. Smith, "Wire-Blade Development for Fixed Abrasive Slicing Technique (FAST) Slicing," Proc. of the Low-Cost Solar Array Wafering Workshop, Phoenix, AZ, June 1981, DOE/JPL-1012-66, p. 111 (1982).

F-4. F. Schmid, C.P. Khattak, H.B. Smith, and L.D. Lynch, "Recent Developments in Multi-Wire Fixed Abrasive Slicing Technique (FAST)," Proc. 4th E. C. PV Solar Energy Conf. (D. Reidel Publ. Co.) p. 980 (1982).

F-3. F. Schmid, M.B. Smith, and C.P. Khattak, "Overview of a New Slicing Method-Fixed Abrasive Slicing Technique," Proc. of the Low-Cost Solar Array Wafering Workshop, Phoenix, AZ, June 1981, DOE/JPL-1012-66, p. 233 (1982).

F-2. C.P. Khattak and F. Schmid, "Low-Cost Conversion of Polycrystalline Silicon into Sheet by HEM and FAST," Proc. 14th IEEE Photovoltaic Specialists Conference, p. 484 (1980).

F-1. C.P. Khattak and F. Schmid, "Low-Cost, High-Efficiency Silicon by Heat Exchanger Method and Fixed Abrasive Slicing Technique," Proc. 2nd E.C. Photovoltaic Specialists Conference, (D. Reidel Publ. Co) p. 106 (1979).

SAPPHIRE

Sa-21. F. Schmid, C. P. Khattak, H. H. Rogers, D. M. Felt, J. Askinazi and R.V. Wientzen, "Current status of very large sapphire crystal growth for optical applications," SPIE's 13th Annual Int'l Symposium on Aerospace/Defense Sensing, Simulation, and Controls, Orlando, FL, April 1-5, 1999.

Sa-20. K. Schmid, F. Schmid and C. P. Khattak, and D. C. Harris, "High Temperature Compression and Ring-on-Ring Testing of Sapphire," SPIE's 13th Annual Int'l Symposium on Aerospace/Defense Sensing, Simulation, and Controls, Orlando, FL, April 1-5, 1999.

Sa-19. F. Schmid, C. P. Khattak, and K. Schmid, and D. C. Harris, "Increasing the Strength of Sapphire by Heat Treatments," SPIE's 13th Annual Int'l Symposium on Aerospace/Defense Sensing, Simulation, and Controls, Orlando, FL, April 5-7, 1999.

Sa-18. M. Smith, K. Schmid, F. Schmid and C. P. Khattak, and J. Lambropoulos, "Correlation of Crystallographic Orientation with Processing of Sapphire Optics," SPIE's 13th Annual Int'l Symposium on Aerospace/Defense Sensing, Simulation, and Controls, Orlando, FL, April 5-7 1999.

Sa-17. F. Schmid, H. H. Rogers, C. P. Khattak and D. M. Felt, "Growth of Very Large Sapphire Crystals for Optical Applications," SPIE Proc. #3424 05, San Diego, CA, July 1998.

Sa-16. M.B. Smith, K. Schmid, F. Schmid, C.P. Khattak and J. C. Lambropoulos, "Controlling stress in sapphire optics," Proc. Optical Manufacturing and Testing II, (H. Philip Stahl, Chair/Editor) SPIE Vol. 3134 pp. 284-292 (1997).

Sa-15. F. Schmid, C. P. Khattak, M. B. Smith and D. M. Felt, "Current Status of Sapphire for Optics," SPIE Proc. #CR67-09, San Diego, CA, July 1997.

Sa-14. C.P. Khattak, F. Schmid, M.B. Smith, "Correlation of Sapphire Quality with Uniformity and Optical Properties," SPIE's 11th International Symposium, Orlando, FL April 1997.

Sa-13. F. F. Schmid, C.P. Khattak and D. M. Felt, "Sapphire Sparkles in Many Optical Elements," Laser Focus World, 32 (6) pp. 167-174 (1996).

Sa-12. M. Smith, F. Schmid, C.P. Khattak and Keil Schmid, "Sapphire Fabrication for Precision Optics," Center for Optics Manufacturing University of Rochester (1996).

Sa-11. F. Schmid, M.B. Smith, C.P. Khattak, "Current Status of Sapphire Dome Production," Proc. SPIE Window and Dome Technologies and Materials IV, 2286, (14) (1994).

Sa-10. F. Schmid, C. P. Khattak, D. Mark Felt, "Producing Large Sapphire for Optical Applications," American Ceramic Society Bulletin, 73 (2) (1994).

Sa-9. D.C. Harris, F. Schmid, J.J. Mecholsky, Jr. and Y.L. Tsai, "Mechanism of Mechanical Failure of Sapphire at High Temperature," Proc. SPIE Window and Dome Technologies and Materials IV 2286 (1994).

Sa-8. C.P. Khattak and F. Schmid, "Production of Near-Net-Shaped Sapphire Domes Using the Heat Exchanger Method (HEM)," Proc. SPIE Window and Dome Technologies and Materials III, 160 pp. 41-47 (1992).

Sa-7. F. Schmid and C.P. Kbattak, "Current Status of Sapphire Technology for Window and Dome Applications," Proc. SPIE Conf. on Window and Dome Technologies and Materials (P. Klocek ed.) 1112, 25-30 (1989).

Sa-6. C.P. Khattak and F. Schmid, "Growth of Near-Net-Shaped Sapphire Domes Using the Heat Exchanger Method (HFM™)," Materials Letters, 7, (9,10), 318 (1989).

Sa-5. C.P. Khattak, A.N. Scoville, and F. Schmid, "Recent Developments in Sapphire Growth by Heat Exchanger Method (HEM)," Infrared and Optical Transmitting Materials (R. W. Schwartz ed.) SPIE 683 (32) (1986).

Sa-4. C.P. Khattak and F. Schmid, "Growth of Large-Diameter Crystals by Heat Exchanger Method for Optical and Laser Applications," Proc. SPIE Conf. on Advances In Optical Materials (S. Musikant ed.) 505, 4 (1984).

Sa-3. F. Schmid and C.P. Khattak, "Large Crystal Sapphire Optics," Laser Focus/Electro-Optics 19 (9), 147 (1983).

Sa-2. F. Schmid, D.J. Viechnicki, "A New Approach to High Temperature Crystal Growth from the Melt," Solid State Technology (9) (1973).

Sa-1. F. Schmid and D. Viechnicki, "Growth of Sapphire Disks from the Melt by a Gradient Furnace Technique," J. Am. Ceramic Society 53 (9) 528 (1970).

Ti SAPPHIRE

TiS-13. C.P. Khattak and F. Schmid, "Growth of High-Quality Ti:Al2O3 Crystals for Solid-State Laser Applications," ACCG/East-4, Atlantic City, NJ (1991).

TiS-12. R. Rao, G. Vaillancourt, H.S. Kwok, and C.P. Khattak, "All Solid State Kilohertz Repetition Rate Tunable Ti:Sapphire Laser," CLEO Meeting, Baltimore, Maryland, April 1989.

TiS-l1. R. Rao, G. Vaillancourt, H.S. Kwok, and C.P. Khattak, "Highly Efficient, Widely Tunable Kilohertz Repetition Rate Ti:Sapphire Laser Pumped by a Nd:YLF Laser," OSA Proc. on Tunable Solid State Lasers (M.L. Shand and H.P. Jenssen eds.) 5, 39-41 (1989).

TiS-10. R.L. Aggarwal, A. Sanchez, M.M. Stuppi, R.E. Fahey, A.J. Strauss, W.R. Rapoport, and C.P. Khattak, "Residual Infrared Absorption in As-Grown and Annealed Crystals of Ti: Al203," J. Quantum Electronics, 24 (6) 1003-1006 (1988).

TiS-9. W.R. Rapoport and C.P. Khattak, "Titanium Sapphire Laser Characteristics," Appl. Optics, 27 (13), 2677 (1988).

TiS-8. C.P. Khattak and A.N. Scoville, "Current Status of HEM Ti:Al2O3," Tunable Solid State Lasers III, Conference in Williamsburg in October, 1987.

TiS-7. C.P. Khattak and A.N. Scoville, "Growth of Large Diameter Ti:Al2O3 Crystals for Laser Applications," ACCG/East-1, Atlantic City, NJ (1986).

TiS-6. C. P. Khattak and A.N. Scoville, "Growth of Laser Crystals by Heat Exchanger Method (HEM)," Lasers and Nonlinear Optical Materials (L.G. DeShazer ed.) SPIE 681, 58 (1986).

TiS-5. W.R. Rapoport and C.P. Khattak, "Efficient, Tunable Ti:Sapphire Laser," Tunable Solid State Lasers 11) Springer Series in Optical Sciences (A.B. Budgor, L. Esterowitz, and L.G. DeShazer eds.) 52 212 (1986).

TiS-4. L. Esterowitz, R. Allen, and C.P. Khattak, "Flashpumped Ti:AI203 Laser," Springer Series In Optical Sciences (P. Hammerling, A.B. Budgor, and A. Pinto eds.) 47 73 (1985) .

TiS-3. F. Schmid and C.P. Khattak, "Growth of Co:MgF2 and Ti:Al203 Crystals for Solid State Laser Applications," Springer Series In Optical Sciences (P. Hammerling, A.B. Budgor, and A. Pinto eds.) 47, 122 (1985).

TiS-2. C.P. Khattak and F. Schmid, "Growth of Large-Diameter Crystals by Heat Exchanger Method for Optical and Laser Applications," Proc. SPIE Conf. on Advances in Optical Materials (S. Musikant ed.) 505, 4 (1984).

TiS-1. C.P. Khattak, F. Schmid, and P.F. Moulton, "Crystal Growth and Characterization of HEM-Grown Co:MgF2 for Laser Applications," Big Sky Laser Conf., August, 1982.

OTHER

O-17. S.M. Rao, R.H. Chang, K.S. Law, M.K. Wu, C.P. Khattak, "Influence of KCI on the Growth of Yba2Cu3I6+ from High Temperature Solutions," Journal of Crystal Growth 162 48-54 (1996).

O-16. C.P. Khattak and S.T. Lai, "Characteristics of Ti:LaMgAl11O,19 Crystals Grown by the Heat Exchanger Method (HEM)," Proc. SPIE Conf. on Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals (J.T. Lin ed.) 1104 169-174 (1989).

O-15. C.P. Khattak, F. Schmid, K.F. Wall, and R.L. Aggarwal, "Growth and Characterization of Ti:YA103 for Turnable Solid State Laser Applications," Proc. SPIE Conf. on Growth, Characterization and Applications of Laser Host and Nonlinear Crystals (J.T. Lin ed.) 1104 95-99 (1989).

O-14. C.P. Khattak and F. Schmid, "Growth of CdTe Crystals by the Heat Exchanger Method (HEM)," Proc. SPIE Conf. on Future Infrared Detector Materials (J.W. Baars and R.E. Longshore eds.) 1106, 47-55 (1989).

O-13. K.F. Wall, R.L. Aggarwal, and C.P. Khattak, "Excited-State Absorption in Ti:YA103," OSA Proc. on Tunable Solid State Lasers (M.L. Shand and H.P. Jenssen eds.) 5, 238-242 (1989).

O-12. C. P. Khattak, S. Di Gregorio, F. Schmid, and J. Lagowski, "Characteristics of Large Diameter, Undoped SI GaAs Grown by the Heat Exchanger Method (HEM')," 14th International Symp. on Gallium Arsenide and Related Compounds, Crete, Inst. Phys. Conf. Ser. (IOP Publ. Ltd.) 91 133-136 (1988).

O-11. M.B. Smith, F. Schmid, C.P. Khattak, and T.M. Trumble, "Efficient Slicing of GaAs by FAST," 19th IEEE Photovoltaic Specialists Conference (IEEE, New York) p. 417 (1987).

O-10. C.P. Khattak, S. Di Gregorio, and F. Schmid, "Growth of Large Diameter, Undoped GaAs Crystals with Low Dislocation Density," ACCG/East-1, Atlantic City, NJ (1986).

O-9. C.P. Khattak and A.N. Scoville, "Growth of Laser Crystals by Heat Exchanger Method (HEM)," Lasers and Nonlinear Optical Materials (L.G. DeShazer ed.) SPIE 681 58 (1986).

O-8. J.H. Wohlgemuth, C.P. Khattak, J. Lagowski, and M. Skowronski, "The Compensation Mechanism in Undoped Semi-Insulating GaAs Grown by the Heat Exchanger Method," Proc. 4th Conf. on Semi-Insulatlng Ill-V Materials (Hakone, Japan, Ohmsha Ltd,Tokyo) p.191 (1986).

O-7. C.P. Khattak, J. Lagowski, H.H. Wohlgemuth, S. Milshtein, V.E. White, and F. Schmid, "Large Diameter GaAs with Low Dislocation Density Grown by the Heat Exchanger Method," Proc. 12th International Symposium on GaAs and Related Compounds, Karuizawa, Japan, 1985, Inst. Phys. Conf. 79 (Adam Hilger Ltd., Bristol) p. 31 (1986).

O-6. F. Schmid and C.P. Khattak, "Growth of Co:MgF2 and Ti:Al2O3 Crystals for Solid State Laser Applications," Springer Series in Optical Sciences (P. Hammerling, A.B. Budgor, and A. Pinto eds.) 47, 122 (1985).

O-5. C.P. Khattak and F. Schmid, "Growth of Large-Diameter Crystals by Heat Exchanger Method for Optical and Laser Applications," Proc. SPIE Conf. on Advances in Optical Materials (S. Musikant ed.) 505 4 (1984).

O-4. F. Schmid, C.P. Khattak, and M.B. Smith, "Growth of Bismuth Germanate Crystals by the Heat Exchanger Method," J. Crystal Growth 70 466 (1984).

O-3. C.P. Khattak and F. Schmid, "Growth of Nd:YAG Crystals by the Heat Exchanger Method (HEM)," Big Sky Laser Conf., August, 1982.

O-2. F. Schmid and C.P. Khattak, "Growth of Bi4Ge3Ol2 Crystals by the Heat Exchanger Method (HEM)," Proc.International Workshop on Bismuth Germanate, Princeton, NJ (Princeton Univ.) p. 111, (1982).

O-1. C.P. Khattak, "Crystal Growth," invited chapter in Treatise on Materials Science and Technology (F.F.Y. Wang ed.) 9 295 (1976).

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