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Raymond Sachs

**** ******* **.

Riverside, CA 92507

951-***-****

acv83a@r.postjobfree.com

https://www.linkedin.com/in/raymondsachs

https://www.portfolium.com/raymondsachs

Education

University of California, Riverside Ph.D., Physics September 2013 Thesis: Electron Transport and Scattering in Graphene Devices Transferred to SrTiO3 Substrates Advisor: Jing Shi

Indiana University of Pennsylvania M.S., Physics July 2006 Lebanon Valley College B.S., Physics June 2004

Work Experience

Industry Experience

ZC&R Coatings for Optics, Torrance, CA August 2015–Present

Thin Film Coating Technician III

Designing optical coatings via TFCalc to meet customer transmission and reflectance specifications (Short, Long, and Band Pass filters, Antireflective, High Reflective)

Preparing vacuum chamber including foiling, cleaning, and loading deposition material

Provide engineering support including process analysis and yield improvement

Depositing optical coatings via e-beam evaporation with Ion Assisted Deposition (IAD)

Analyzing films with various spectrophotometry equipment to verify customer specs.

Conducting internal audits to ensure processes conform to ISO standards (ISO Certified) Research Experience

University of California, Riverside September 2006–December 2013

Ph.D. Student Researcher

Transport properties of graphene devices transferred to SrTiO3 and magnetic YIG

Fabricate and characterize graphene devices on SiO2

Develop technique for transferring entire device to any arbitrary substrate

Compare graphene electron transport properties in situ on SiO2 and other substrates

Evidence of ferroelectric-like surface dipoles on SrTiO3 probed by graphene hysteresis

Thin film deposition of SrTiO3 and YIG for transfer of graphene device

Growth of STO/YIG epitaxially on Nb-doped STO via Pulsed Laser Deposition (PLD)

Transfer graphene devices to surface to produce FET with variable back gate

Characterization of chemical vapor deposition (CVD) grown graphene

Growth and Raman characterization of graphene via CVD and pattern to Hall bar geometry via reactive ion etching (DRIE) for researching carrier mobility manipulation Indiana University of Pennsylvania July 2004–September 2006

Graduate Student Researcher

Synthesized and characterized magnetic nanoparticles and novel magnetic thin films

Developed CoFe2O3 nanoparticles in solution using reverse micelle technique

Nanoparticle size controlled by varying the chemical recipe and determined by XRD

Spin-glass films grown via e-beam evaporation, characterized via SQUID magnetometry Teaching Experience

Adjunct Professor of Physics September 2013 –August 2015

UC Riverside, Norco College, Crafton Hills College, University of Redlands

Lecturing in physics ranging from Newton’s Laws to Relativity

Instructing introductory and advanced physics laboratories 2

Technical Skills

Imaging Techniques

Scanning electron microscopy (SEM), Energy Dispersive Spectroscopy (EDS)

Focused ion beam (FIB) microscopy (Zeiss FIB-SEM Leo XB1540)

Atomic force microscopy (AFM), (Veeco Dimension 5000)

Thin Film Deposition

E-beam evaporation (Temescal BJD 1800 system)

Pulsed Laser Deposition (Coherent Inc. COMPexPro, Chamber designed/ built in lab)

Atomic Layer Deposition (Cambridge NanoTech Savannah 100)

Sputter deposition (AJA Orion 5, Temescal BJD 1800)

Ion Assisted Deposition (IAD)

Chemical Vapor Deposition (CVD)

Spectrophotometry

Perkin-Elmer Lambda 900 UV-Vis-NIR

Perkin-Elmer Lambda 950 UV-Vis

Perkin-Elmer 983 Infrared

Shimadzu UV-3101PC UV-Vis-NIR

Wet and Dry Etching

Inductive Coupled Plasma etching (Oxford Plasmalab 100/180 system)

Deep Reactive Ion Etch (DRIE) System (STS Multiplex RIE System)

Materials Characterization

XPS, UPS, LEIS, AES (Kratos AXIS Analytical Ultra Delay-Line Detector)

FT-IR (Bruker Equinox 55)

Raman Spectroscopy (Horiba LabRAM)

UVISEL Spectroscopic Phase Modulated Ellipsometer (SPME)

X-Ray Diffraction (Bruker D8 Powder Diffractometer)

RHEED Diffraction (k-Space kSA 400)

Surface Profilometer/Thin Film Stress Gauge (Veeco systems Dektak 8)

Nanofabrications

E-beam lithography (Leo SUPRA 55 SEM system)

Focused ion beam (FIB) (Leo XB 1540 workstation)

Photolithography (Karl Suss Model MA-6 Mask Aligner)

Low temperature and high magnetic field measurements

Janis Continuous Flow Cryostat System

Janis 4 Kelvin Closed-cycle Refrigeration System

Quantum Design Physical Properties Measurement System (PPMS)

Software Skills

Proficient in TFCalc, Origin, AutoCAD, DesignCAD LT, LabVIEW, Microsoft Excel Certifications

ISO 9000 Certified Internal Auditor

Publications

R. Sachs, Z. Lin, and J. Shi. Ferroelectric-like SrTiO3 surface dipoles probed by graphene. Nature Scientific Reports. 4, 3657 (2014).

R. Sachs, Z. Lin, P. Odenthal, R. Kawakami, J. Shi. Direct comparison of graphene devices before and after transfer to different substrates. Applied Physics Letters 104, 033103 (2014).

Z. Wang, C. Tang, R. Sachs, Y. Barlas, J. Shi. Proximity-induced ferromagnetism in graphene revealed by the anomalous Hall effect. Physical Review Letters 114, 016603 (2015)

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