SURFACE DOPING OF DIAMOND: A NEW PLATFORM FOR 2D CARBON-BASED SPINTRONICS

High-field magnetotransport studies of surface-conducting diamonds

Kaijian Xing, Daniel L Creedon, Golrokh Akhgar, Steve A Yianni, Jeffrey C McCallum, Lothar Ley, Dong-Chen Qi, Christopher Pakes

2022-06-17

The observation of a strong and tunable spin-orbit interaction (SOI) in surface-conducting diamond opens up a new avenue for build..

Fluorination of the silicon-terminated (100) diamond surface using C60F48

Alex K Schenk, Michael J Sear, Nikolai Dontschuk, Anton Tadich, Alastair Stacey, Chris I Pakes

2022-05-11

Fluorination of the silicon terminated (100) diamond surface under ultra-high vacuum using a molecular fluorine source (C60F48) is..

Correlation between electronic micro-roughness and surface topography in two-dimensional surface conducting hydrogen-terminated diamond

Steve A Yianni, Daniel L Creedon, Alex K Schenk, Kaijian Xing, Golrokh Akhgar, David I Hoxley, Lothar Ley, Jeffrey C McCallum, Christopher I Pakes

2021-04-21

The influence of surface topography on phase coherent transport in the two-dimensional (2D) hole band of surface transfer doped hy..

Surface transfer doping of diamond using solution-processed molybdenum trioxide

Kaijian Xing, Wei Li, Enrico Della Gaspera, Joel van Embden, Lei Zhang, Steve A Yianni, Daniel L Creedon, Tony Wang, Jeffrey C McCallum, Linjun Wang, Jian Huang, Christopher Pakes, Dong-Chen Qi

2021-01-08

The surface of hydrogen-terminated diamond (H-terminated diamond) supports a p-type surface conductivity when interfaced with high..

High-electron-affinity oxide V2O5 enhances surface transfer doping on hydrogen-terminated diamond

Kaijian Xing, Sa Zhang, Alexander Tsai, Haiyan Xiao, Daniel L Creedon, Steve A Yianni, Jeffrey C McCallum, Christopher Pakes, Dong-Chen Qi

2020-10-01

Diamond exhibits many desirable properties that could benefit the development of future carbon-based electronic devices. Its hydro..

Strong spin-orbit interaction induced by transition metal oxides at the surface of hydrogen-terminated diamond

Kaijian Xing, Daniel L Creedon, Steve A Yianni, Golrokh Akhgar, Lei Zhang, Lothar Ley, Jeffrey C McCallum, Dong-Chen Qi, Christopher Pakes

2020-08-30

Hydrogen-terminated diamond possesses an intriguing p-type surface conductivity which is induced via thermodynamically driven elec..

Engineering the spin-orbit interaction in surface conducting diamond with a solid-state gate dielectric

Kaijian Xing, Alexander Tsai, Daniel L Creedon, Steve A Yianni, Jeffrey C McCallum, Lothar Ley, Dong-Chen Qi, Christopher I Pakes

2020-04-27

Hydrogen-terminated (H-terminated) diamond, when surface transfer doped, can support a sub-surface two-dimensional (2D) hole band ..

MoO3 induces p-type surface conductivity by surface transfer doping in diamond

Kaijian Xing, Yang Xiang, Ming Jiang, Daniel L Creedon, Golrokh Akhgar, Steve A Yianni, Haiyan Xiao, Lothar Ley, Alastair Stacey, Jeffrey C McCallum, Serge Zhuiykov, Christopher Pakes, Dong-Chen Qi

2020-04-15

Surface transfer doping of diamond using high electron affinity transition metal oxides (TMOs), such as MoO3, has emerged as a key..

Palladium forms Ohmic contact on hydrogen-terminated diamond down to 4K

Kaijian Xing, Alexander Tsai, Sergey Rubanov, Daniel L Creedon, Steve A Yianni, Lei Zhang, Wei-Chang Hao, Jincheng Zhuang, Jeffrey C McCallum, Christopher I Pakes, Dong-Chen Qi

2020-03-16

A hydrogen-terminated diamond (H-terminated diamond) surface supports a two-dimensional (2D) p-type surface conductivity when expo..

Development of a silicon-diamond interface on (111) diamond

AK Schenk, MJ Sear, N Dontschuk, A Tsai, KJ Rietwyk, A Tadich, BCC Cowie, L Ley, A Stacey, C Pakes

2020-02-18

We report the preparation of a silicon terminated (111) diamond surface. Low energy electron diffraction and core level photoemiss..

g-factor and well-width fluctuations as a function of carrier density in the two-dimensional hole accumulation layer of transfer-doped diamond

Golrokh Akhgar, Lothar Ley, Daniel L Creedon, Alastair Stacey, Jeffrey C McCallum, Alex R Hamilton, Christopher Pakes

2019-01-29

The two-dimensional (2D) hole gas at the surface of transfer-doped diamond shows quantum-mechanical interference effects in magnet..

Thermal Stability and Oxidation of Group IV Terminated (100) Diamond Surfaces

Michael J Sear, Alex K Schenk, Anton Tadich, Alastair Stacey, Chris I Pakes

2018-11-21

High resolution X-ray photoelectron spectroscopy is used to explore the thermal stability of as-prepared and oxidized silicon and ..

G-factor and well width variations for the two-dimensional hole gas in surface conducting diamond

Golrokh Akhgar, Daniel L Creedon, Laurens H Willems van Beveren, Alastair Stacey, David I Hoxley, Jeffrey C McCallum, Lothar Ley, Alex R Hamilton, Christopher I Pakes

2018-01-22

Hydrogen-terminated diamond possesses a quasi two-dimensional, sub-surface hole accumulation layer with a strong and tunable spin-..

P-type surface transfer doping of oxidised silicon terminated (100) diamond

Michael J Sear, Alex K Schenk, Anton Tadich, Alastair Stacey, Christopher I Pakes

2017-01-02

High-resolution core-level photoemission was used to examine the interaction between the oxidised silicon-terminated diamond (100)..

Strong and Tunable Spin-Orbit Coupling in a Two-Dimensional Hole Gas in Ionic-Liquid Gated Diamond Devices

Golrokh Akhgar, Oleh Klochan, Laurens H Willems van Beveren, Mark T Edmonds, Florian Maier, Benjamin J Spencer, Jeffrey C McCallum, Lothar Ley, Alex R Hamilton, Christopher I Pakes

2016-06-01

Hydrogen-terminated diamond possesses due to transfer doping a quasi-two-dimensional (2D) hole accumulation layer at the surface w..