An investigation into the surface termination and near-surface bulk doping of oxygen-terminated diamond with lithium at various annealing temperatures

Sami Ullah; Liam J Cullingford; Tongfei Zhang; Jing Ren Wong; Gary Wan; Mattia Cattelan; Neil A Fox

doi:10.1557/s43580-021-00060-x

An investigation into the surface termination and near-surface bulk doping of oxygen-terminated diamond with lithium at various annealing temperatures

Sami Ullah, Liam J Cullingford, Tongfei Zhang, Jing Ren Wong, Gary Wan, Mattia Cattelan, Neil A Fox

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

An alternative method of doping and surface functionalization of diamond using a chemical route was explored. The interaction of Li with the surface and bulk of oxygen-terminated diamond was investigated using Angle-Resolved X-ray Photoemission Spectroscopy (ARXPS). A stable LiO2 termination of diamond (100) surface and doping of near-surface diamond bulk was achieved up to an annealing temperature of 850 °C. The changes in interaction between the species involved (C, O, Li) and their stoichiometric ratios at the surface were investigated as a function of annealing temperature. This was done using ARXPS peak analysis.

Original language	English
Pages (from-to)	311-320
Number of pages	10
Journal	MRS Advances
Volume	6
Issue number	12
DOIs	https://doi.org/10.1557/s43580-021-00060-x
Publication status	Published - 21 Apr 2021

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Sustainable functionalization of diamond surface with tin, lithium, and oxygen for low work function applications
Ullah, S. (Author), Fox, N. (Supervisor) & Fermin, D. (Supervisor), 21 Mar 2023
Student thesis: Doctoral Thesis › Doctor of Philosophy (PhD)

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Bristol University NanoESCA Laboratory (BrUNEL)
Fox, N. (Manager) & Cattelan, M. (Manager)
School of Chemistry
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title = "An investigation into the surface termination and near-surface bulk doping of oxygen-terminated diamond with lithium at various annealing temperatures",

abstract = "An alternative method of doping and surface functionalization of diamond using a chemical route was explored. The interaction of Li with the surface and bulk of oxygen-terminated diamond was investigated using Angle-Resolved X-ray Photoemission Spectroscopy (ARXPS). A stable LiO2 termination of diamond (100) surface and doping of near-surface diamond bulk was achieved up to an annealing temperature of 850 °C. The changes in interaction between the species involved (C, O, Li) and their stoichiometric ratios at the surface were investigated as a function of annealing temperature. This was done using ARXPS peak analysis.",

author = "Sami Ullah and Cullingford, {Liam J} and Tongfei Zhang and Wong, {Jing Ren} and Gary Wan and Mattia Cattelan and Fox, {Neil A}",

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doi = "10.1557/s43580-021-00060-x",

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T1 - An investigation into the surface termination and near-surface bulk doping of oxygen-terminated diamond with lithium at various annealing temperatures

AU - Ullah, Sami

AU - Cullingford, Liam J

AU - Zhang, Tongfei

AU - Wong, Jing Ren

AU - Wan, Gary

AU - Cattelan, Mattia

AU - Fox, Neil A

PY - 2021/4/21

Y1 - 2021/4/21

N2 - An alternative method of doping and surface functionalization of diamond using a chemical route was explored. The interaction of Li with the surface and bulk of oxygen-terminated diamond was investigated using Angle-Resolved X-ray Photoemission Spectroscopy (ARXPS). A stable LiO2 termination of diamond (100) surface and doping of near-surface diamond bulk was achieved up to an annealing temperature of 850 °C. The changes in interaction between the species involved (C, O, Li) and their stoichiometric ratios at the surface were investigated as a function of annealing temperature. This was done using ARXPS peak analysis.

AB - An alternative method of doping and surface functionalization of diamond using a chemical route was explored. The interaction of Li with the surface and bulk of oxygen-terminated diamond was investigated using Angle-Resolved X-ray Photoemission Spectroscopy (ARXPS). A stable LiO2 termination of diamond (100) surface and doping of near-surface diamond bulk was achieved up to an annealing temperature of 850 °C. The changes in interaction between the species involved (C, O, Li) and their stoichiometric ratios at the surface were investigated as a function of annealing temperature. This was done using ARXPS peak analysis.

U2 - 10.1557/s43580-021-00060-x

DO - 10.1557/s43580-021-00060-x

M3 - Article (Academic Journal)

SN - 2059-8521

VL - 6

SP - 311

EP - 320

JO - MRS Advances

JF - MRS Advances

IS - 12

ER -

An investigation into the surface termination and near-surface bulk doping of oxygen-terminated diamond with lithium at various annealing temperatures

Abstract

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Student theses

Sustainable functionalization of diamond surface with tin, lithium, and oxygen for low work function applications

Equipment

Bristol University NanoESCA Laboratory (BrUNEL)

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