crystals Article Mechanochemical Reactions of Lithium Niobate Induced by High-Energy Ball-Milling Laura Kocsor 1,2, László Péter 1, Gábor Corradi 1, Zsolt Kis 1, Jeno˝ Gubicza 3 and László Kovács 1,* 1 Wigner Research Centre for Physics, Hungarian Academy of Sciences, Konkoly-Thege Miklós út 29-33....