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Letter

Nature Materials 8, 383–387 (1 May 2009) | doi:10.1038/nmat2420

Ultralong spin coherence time in isotopically engineered diamond

Gopalakrishnan Balasubramanian , Philipp Neumann , Daniel Twitchen , Matthew Markham , Roman Kolesov , Norikazu Mizuochi , Junichi Isoya , Jocelyn Achard , Johannes Beck , Julia Tissler , Vincent Jacques , Philip R. Hemmer , Fedor Jelezko & J|[ouml]|rg Wrachtrup

As quantum mechanics ventures into the world of applications and engineering, materials science faces the necessity to design matter to quantum grade purity. For such materials, quantum effects define their physical behaviour and open completely new (quantum) perspectives for applications.