Surface and Interface Magnetism Using Radioactive Probes -- The Ferromagnetic Semiconductor HgCr2Se4 as Investigated with Different Nuclear Probes by the PAC Method -- The Role of Nuclear Nanoprobes in Inducing Magnetic Ordering in Graphite -- Heavy Ion Irradiated Ferromagnetic Films: The Cases of Cobalt and Iron -- Exchange Interactions and Curie Temperatures in Dilute Magnetic Semiconductors -- Sr2FeMoO6: A Prototype to Understand a New Class of Magnetic Materials -- Semiconductor Nanoparticles -- Nanostructuring by Energetic Ion Beams -- Xenon-ion Induced Magnetic and Structural Modifications of Ferromagnetic Alloys -- Depth Resolved Structural Studies in Multilayers Using X-ray Standing Waves -- Magnetic Study of Nanocrystalline Ferrites and the Effect of Swift Heavy Ion Irradiation -- Preparation of Fe/Pt Films with Perpendicular Magnetic Anisotropy -- Effects of Interface Roughness on Interlayer Coupling in Fe/Cr/Fe Structure -- Effect of Addition of Process Control Agent (PCA) on the Nanocrystalline Behavior of Elemental Silver during High Energy Milling -- Electron- and Hole-Doping Effects in Manganites Studied by X-Ray Absorption Spectroscopy -- Nanoencapsulation of Fullerenes in Organic Structures with Nonpolar Cavities -- Transport and Magnetic Properties of Eu and Sr Doped Manganite Compound La0.7Ca0.3MnO3 -- Oriented Growth of Nanocrystalline Gamma Ferric Oxide in Electrophoretically Deposited Films -- Magnetic and Rheological Characterization of Fe3O4 Ferrofluid: Particle Size Effects -- Magnetic Behaviour of Nano-Particles of Ni0.8Cu0.2Fe2O4 -- Evidence of Clustering in Heusler like Ferromagnetic Alloys -- Influence of 50 MeV Lithium Ion Irradiation on Hyperfine Interactions of Cr0.5 Li0.5 Fe2O4 -- Concentration Dependence of Room Temperature Magnetic Ordering in Dilute Fe: Ge1?x Tex Alloy -- Magnetic Ordering in Fe0.008Ge1?x Dx (D = As, Bi) -- 151Eu Mössbauer Spectroscopy in La0.48Eu0.29Ca0.33MnO3.Proceedings of the Baroda Workshop IWNMS 2004, held in Baroda, India, 10-14 February, 2004 Researchers and graduate students interested in the Mössbauer Effect and its applications will find this volume indispensable. The volume presents the most recent developments in the methodology of Mössbauer spectroscopy. Reprinted from Hyperfine Interactions (HYPE) Volume 160, 1-4.