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Volume 23, No. 7 July 1998

A Publication of the Materials Research Society EMERGENCE OF CHALCOPYRITES AS NONLINEAR OPTICAL MATERIALS Emergence of Chalcopyrites as Nonlinear Optical Materials, M.C. Ohmer and R. Pandey, Guest Editors Ultralow Gradient HGF-Grown ZnGeP2 and CdGeAs2 and Their Optical Properties, P.G. Schunemann and T.M. Pollak Crystal Growth and Optical Properties of AgGaS2 and AgGaSe2, G.C. Catella and D. Burlage Native Defects in the Ternary Chalcopyrites, N.C. Giles and L.E. Halliburton Properties of Dopants in ZnGeP2, CdGeAs2, AgGaS2, and AgGaSe2, B.H. Bairamov, V.Yu. Rud', and Yu.V. Rud' Nonlinear Frequency Conversion Performance of AgGaSe2, ZnGeP2, and CdGeAs2, P.G. Schunemann, K.L. Schepler, and P.A. Budni ABSTRACTS Abstracts for September 1998 Journal of Materials Research MRS NEWS MRS 1998 Spring Meeting Encompasses Broad Spectrum of Materials Research DEPARTMENTS Material Matters Sunrise in Steel Town: A Renaissance in Steel, A.W. Cramb Research/Researchers Washington News Public Affairs Forum Resources Advertisers in This Issue Historical Note Library Metal-Containing Polymeric Materials, C.U. Pittman, Jr., C.E. Carraher, Jr., M. Zeldin, J.E. Sheats, and B.M. Culbertson, eds., reviewed by K.R. Shull; Solid State Electrochemistry, P.G. Bruce, reviewed by H. Schmalzried; Fragile Objects: Soft Matter, Hard Science, and the Thrill of Discovery, P-G. De Gennes and J. Bandoz, trans. by A. Reisinger, reviewed by G. Hadziioannou; Rare-Earth Iron Permanent Magnets, J.M.D. Coey, ed., reviewed by H.H. Stadelmaier; Cellular Solids: Structure and Properties, 2d ed., L.J. Gibson and M.F. Ashby, reviewed by K.S. Kumar; and The Art of Molecular Dynamics Simulation, D.C. Rapaport, reviewed by S. Phillpot. Calendar Classified Posterminaries INTERNATION UNION OF MATERIALS RESEARCH SOCIETIES MRS-I Meeting Featured Talks on Building, Magnetic and Electronic, and Glass Fiber Materials IUMRS-ICAM `99 to be Held in China in June 1999 IUMRS-ICA `98 to be Held in India in October 1998

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