Communication

Thymine and Adenine Tetrads Formed on Anisotropic Metal Surfaces

Dingyong Zhong

Physikalisches Institut, Westfälische Wilhelms‐Universität Münster, Wilhelm‐Klemm‐Straße 10, 48149 MünsterGermany and Center for NanotechnologyHeisenbergstraße 11, 48149 Münster, Germany

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Tobias Blömker

Organisch‐Chemisches Institut, Westfälische Wilhelms‐Universität Münster, Corrensstraße 40, 48149 Münster, Germany

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Christian Mück‐Lichtenfeld

Organisch‐Chemisches Institut, Westfälische Wilhelms‐Universität Münster, Corrensstraße 40, 48149 Münster, Germany

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Haiming Zhang

Physikalisches Institut, Westfälische Wilhelms‐Universität Münster, Wilhelm‐Klemm‐Straße 10, 48149 MünsterGermany and Center for NanotechnologyHeisenbergstraße 11, 48149 Münster, Germany

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Gerald Kehr

Organisch‐Chemisches Institut, Westfälische Wilhelms‐Universität Münster, Corrensstraße 40, 48149 Münster, Germany

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Gerhard Erker

Corresponding Author

Organisch‐Chemisches Institut, Westfälische Wilhelms‐Universität Münster, Corrensstraße 40, 48149 Münster, Germany

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Harald Fuchs

Physikalisches Institut, Westfälische Wilhelms‐Universität Münster, Wilhelm‐Klemm‐Straße 10, 48149 MünsterGermany and Center for NanotechnologyHeisenbergstraße 11, 48149 Münster, Germany

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Lifeng Chi

Corresponding Author

Physikalisches Institut, Westfälische Wilhelms‐Universität Münster, Wilhelm‐Klemm‐Straße 10, 48149 MünsterGermany and Center for NanotechnologyHeisenbergstraße 11, 48149 Münster, Germany

FUNSOM, China E‐mail: [email protected], Soochow University, Suzhou, China

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First published: 30 July 2013

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Citations: 6

Abstract

The interplay of the Au(110) surface and alkyl‐substituted DNA bases induces reorganization of the surface with parallel atomic grooves, while the enhanced surface anisotropy constrains the substituent alkyl chains along the grooves. Every four molecules are bound together through H‐bonds while further possible H‐bonds are prohibited by either the alkyl chains or the groove borders, resulting in separated tetrad structures located in the grooves.

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